I am not checking my emails until Nov 14th, 2025. Thanks, Samaneh On Nov 7, 2025, at 7:03 PM, Routing Table Analysis Role Account via NANOG <nanog@lists.nanog.org> wrote: This is an automated weekly mailing describing the state of the Global IPv4 Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG UKNOF, TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats@lists.apnic.net. For historical data, please see https://urldefense.com/v3/__https://thyme.apnic.net__;!!PtGJab4!-XAlSfJOzayo... [thyme[.]apnic[.]net]. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. IPv4 Routing Table Report 04:00 +10GMT Sat 08 Nov, 2025 IPv4 BGP Table (Global) as seen at Japan. Report Website: https://urldefense.com/v3/__https://thyme.apnic.net__;!!PtGJab4!-XAlSfJOzayo... [thyme[.]apnic[.]net] Detailed Analysis: https://urldefense.com/v3/__https://thyme.apnic.net/current/__;!!PtGJab4!-XA... [thyme[.]apnic[.]net] Analysis Summary ---------------- BGP routing table entries examined: 1012261 Prefixes after maximum aggregation (per Origin AS): 392668 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 501148 Number of IPv4 prefixes with a valid ROA: 580581 Number of IPv4 prefixes with an invalid ROA: 1523 Number of IPv4 prefixes with no ROA: 430157 Total ASes present in the Internet Routing Table: 77510 Prefixes per ASN: 13.06 Origin-only ASes present in the Internet Routing Table: 66548 Origin ASes announcing only one prefix: 27117 Transit ASes present in the Internet Routing Table: 10962 Transit-only ASes present in the Internet Routing Table: 545 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 57 Max AS path prepend of ASN ( 37447) 53 Prefixes from unregistered ASNs in the Routing Table: 955 Number of instances of unregistered ASNs: 993 Number of 32-bit ASNs allocated by the RIRs: 47936 Number of 32-bit ASNs visible in the Routing Table: 39257 Prefixes from 32-bit ASNs in the Routing Table: 215103 Number of bogon 32-bit ASNs visible in the Routing Table: 106 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 416 Number of addresses announced to Internet: 3103608960 Equivalent to 184 /8s, 253 /16s and 80 /24s Percentage of available address space announced: 83.8 Percentage of allocated address space announced: 83.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 332336 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 271861 Total APNIC prefixes after maximum aggregation: 81017 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 261631 Unique aggregates announced from the APNIC address blocks: 106371 APNIC Region origin ASes present in the Internet Routing Table: 14871 APNIC Prefixes per ASN: 17.59 APNIC Region origin ASes announcing only one prefix: 4535 APNIC Region transit ASes present in the Internet Routing Table: 1974 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10418 Number of APNIC addresses announced to Internet: 749209856 Equivalent to 44 /8s, 168 /16s and 9 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-155961 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 297841 Total ARIN prefixes after maximum aggregation: 133772 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 298000 Unique aggregates announced from the ARIN address blocks: 145257 ARIN Region origin ASes present in the Internet Routing Table: 19375 ARIN Prefixes per ASN: 15.38 ARIN Region origin ASes announcing only one prefix: 7099 ARIN Region transit ASes present in the Internet Routing Table: 1948 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5406 Number of ARIN addresses announced to Internet: 1345179904 Equivalent to 80 /8s, 45 /16s and 209 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-402332 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 281173 Total RIPE prefixes after maximum aggregation: 139513 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 281804 Unique aggregates announced from the RIPE address blocks: 182449 RIPE Region origin ASes present in the Internet Routing Table: 29099 RIPE Prefixes per ASN: 9.68 RIPE Region origin ASes announcing only one prefix: 12102 RIPE Region transit ASes present in the Internet Routing Table: 3968 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12799 Number of RIPE addresses announced to Internet: 735294848 Equivalent to 43 /8s, 211 /16s and 181 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 125439 Total LACNIC prefixes after maximum aggregation: 30778 LACNIC Deaggregation factor: 4.08 Prefixes being announced from the LACNIC address blocks: 121485 Unique aggregates announced from the LACNIC address blocks: 49486 LACNIC Region origin ASes present in the Internet Routing Table: 11311 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2532 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9288 Number of LACNIC addresses announced to Internet: 170739456 Equivalent to 10 /8s, 45 /16s and 71 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 34992 Total AfriNIC prefixes after maximum aggregation: 6928 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 48925 Unique aggregates announced from the AfriNIC address blocks: 17218 AfriNIC Region origin ASes present in the Internet Routing Table: 1983 AfriNIC Prefixes per ASN: 24.67 AfriNIC Region origin ASes announcing only one prefix: 721 AfriNIC Region transit ASes present in the Internet Routing Table: 378 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 57 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1346 Number of AfriNIC addresses announced to Internet: 102961920 Equivalent to 6 /8s, 35 /16s and 19 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 13466 8760 120 CHINAMOBILE-CN China Mobile Communication 7545 6094 833 590 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4967 4193 77 ERX-CERNET-BKB China Education and Resear 9498 4518 538 315 BBIL-AP BHARTI Airtel Ltd., IN 7552 3980 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3720 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3319 1869 99 VNPT-AS-VN VNPT Corp, VN 56046 3246 827 182 CMNET-JIANGSU-AP China Mobile communicati 24560 2941 864 506 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 140292 2493 274 1922 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK CH Complete listing at https://urldefense.com/v3/__https://thyme.apnic.net/current/data-ASnet-APNIC... [thyme[.]apnic[.]net] ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14312 37278 5387 AMAZON-02, US 11492 4780 317 801 CABLEONE, US 22773 4640 3108 403 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3861 286 85 VIASAT-SP-BACKBONE, US 6327 3671 1320 82 SHAW, CA 396982 3288 4827 473 GOOGLE-CLOUD-PLATFORM, US 749 3215 54766 2466 DNIC-AS-00749, US 16625 2889 1235 2156 AKAMAI-AS, US 36352 2847 231 914 AS-COLOCROSSING, US 174 2679 8762 812 COGENT-174, US Complete listing at https://urldefense.com/v3/__https://thyme.apnic.net/current/data-ASnet-ARIN_... [thyme[.]apnic[.]net] RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7287 1711 149 UNI2-AS, ES 39891 4833 298 66 ALJAWWALSTC-AS, SA 9009 4014 378 2281 M247, RO 20940 3892 3395 127 AKAMAI-ASN1, NL 12389 3160 2317 869 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2533 178 1824 CDNEXT, GB 34984 2417 363 576 TELLCOM-AS, TR 8452 1666 1852 13 TE-AS TE-AS, EG 13188 1607 100 27 TRIOLAN, UA 203020 1456 166 842 HOSTROYALE, IN Complete listing at https://urldefense.com/v3/__https://thyme.apnic.net/current/data-ASnet-RIPE_... [thyme[.]apnic[.]net] LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12504 3297 576 UNINET, MX 10620 3455 463 1098 Telmex Colombia S.A., CO 13999 2504 511 350 Mega Cable, S.A. de C.V., MX 11830 1990 369 64 Instituto Costarricense de Electricidad y 28573 1379 2435 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1353 789 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1276 371 23 Telefonica del Peru S.A.A., PE 22884 1060 67 364 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1027 2486 56 TIM SA, BR 18881 911 1127 31 TELEFONICA BRASIL S.A, BR Complete listing at https://urldefense.com/v3/__https://thyme.apnic.net/current/data-ASnet-LACNI... [thyme[.]apnic[.]net] AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1788 594 28 RAYA-AS, EG 36992 1679 1509 397 ETISALAT-MISR, EG 24863 1265 389 20 LINKdotNET-AS, EG 36903 1250 554 97 MT-MPLS, MA 29571 1165 100 70 ORANGE-COTE-IVOIRE, CI 37069 1085 1096 13 MOBINIL, EG 36935 998 521 44 Vodafone-, EG 20011 580 154 212 NTT-DATA-Inc, ZA 36914 554 82 3 KENET-AS, KE 15399 546 57 56 WANANCHI-, KE Complete listing at https://urldefense.com/v3/__https://thyme.apnic.net/current/data-ASnet-AFRIN... [thyme[.]apnic[.]net] Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14312 37278 5387 AMAZON-02, US 9808 13466 8760 120 CHINAMOBILE-CN China Mobile Communication 8151 12504 3297 576 UNINET, MX 12479 7287 1711 149 UNI2-AS, ES 7545 6094 833 590 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4967 4193 77 ERX-CERNET-BKB China Education and Resear 39891 4833 298 66 ALJAWWALSTC-AS, SA 11492 4780 317 801 CABLEONE, US 22773 4640 3108 403 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4518 538 315 BBIL-AP BHARTI Airtel Ltd., IN Complete listing at https://urldefense.com/v3/__https://thyme.apnic.net/current/data-ASnet__;!!P... [thyme[.]apnic[.]net] Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13466 13346 CHINAMOBILE-CN China Mobile Communications Grou 8151 12504 11928 UNINET, MX 12479 7287 7138 UNI2-AS, ES 7545 6094 5504 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4967 4890 ERX-CERNET-BKB China Education and Research Net 39891 4833 4767 ALJAWWALSTC-AS, SA 22773 4640 4237 ASN-CXA-ALL-CCI-22773-RDC, US 9498 4518 4203 BBIL-AP BHARTI Airtel Ltd., IN 11492 4780 3979 CABLEONE, US 7552 3980 3952 VIETEL-AS-AP Viettel Group, VN Complete listing at https://urldefense.com/v3/__https://thyme.apnic.net/current/data-CIDRnet__;!... [thyme[.]apnic[.]net] List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 53775 UNALLOCATED 8.20.88.0/24 3737 AS-PTD, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 54739 UNALLOCATED 8.44.198.0/23 13335 CLOUDFLARENET, US 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174, US 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI Complete listing at https://urldefense.com/v3/__https://thyme.apnic.net/current/data-badAS__;!!P... [thyme[.]apnic[.]net] Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://urldefense.com/v3/__https://thyme.apnic.net/current/data-spar__;!!Pt... [thyme[.]apnic[.]net] Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.135.216.0/24 Origin: 400565 RESERVED, ZZ 23.135.216.0/24 Transit: 3356 LEVEL3, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE Complete listing at https://urldefense.com/v3/__https://thyme.apnic.net/current/data-add-IANA__;... [thyme[.]apnic[.]net] Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:14 /10:41 /11:94 /12:298 /13:579 /14:1194 /15:2091 /16:13695 /17:8275 /18:13557 /19:24938 /20:45196 /21:52509 /22:113004 /23:105082 /24:630972 /25:704 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6714 12504 UNINET, MX 12479 6231 7287 UNI2-AS, ES 11492 3593 4780 CABLEONE, US 39891 3521 4833 ALJAWWALSTC-AS, SA 6327 3459 3671 SHAW, CA 22773 2984 4640 ASN-CXA-ALL-CCI-22773-RDC, US 7155 2820 3861 VIASAT-SP-BACKBONE, US 16509 2451 14312 AMAZON-02, US 30036 2310 2653 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2210 3455 Telmex Colombia S.A., CO Complete listing at https://urldefense.com/v3/__https://thyme.apnic.net/current/data-sXXas-nos__... [thyme[.]apnic[.]net] Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1803 2:1527 3:970 4:10 5:4875 6:188 7:6 8:1529 9:6 11:172 12:1230 13:557 14:2686 15:405 16:303 17:385 18:910 20:582 21:4 22:188 23:8057 24:2562 25:2 27:2728 29:19 31:3367 32:32 33:1 34:81 35:278 36:4507 37:4581 38:9360 39:1176 40:462 41:4363 42:953 43:2762 44:401 45:19187 46:5193 47:369 49:2148 50:2054 51:597 52:1628 54:357 55:1094 56:11 57:292 58:2207 59:1377 60:1189 61:2981 62:3101 63:1758 64:5897 65:2131 66:5895 67:3232 68:1492 69:4131 70:1042 71:628 72:3006 74:2891 75:1512 76:604 77:2779 78:1909 79:1790 80:2291 81:2132 82:3587 83:1467 84:2010 85:3581 86:1107 87:2386 88:1332 89:4515 90:831 91:8406 92:2830 93:2981 94:4156 95:4538 96:1462 97:312 98:950 99:762 100:68 101:1229 102:4175 103:32178 104:5469 105:767 106:913 107:2795 108:1207 109:4217 110:2252 111:3929 112:2763 113:1626 114:2090 115:2215 116:2111 117:3097 118:2545 119:2049 120:2369 121:1555 122:2874 123:2268 124:1690 125:2930 126:125 128:1585 129:968 130:1491 131:2229 132:780 133:461 134:1624 135:365 136:1493 137:1201 138:2847 139:1586 140:1743 141:1577 142:2219 143:2134 144:1324 145:632 146:2193 147:2119 148:2780 149:2840 150:1282 151:2650 152:2275 153:589 154:8080 155:2218 156:3249 157:2087 158:1405 159:2667 160:3663 161:2003 162:3991 163:2323 164:1952 165:2548 166:1328 167:2122 168:3808 169:783 170:5450 171:1066 172:4473 173:3433 174:907 175:1340 176:3761 177:4734 178:4299 179:2275 180:2763 181:4312 182:3801 183:2364 184:2079 185:21661 186:5383 187:4734 188:4391 189:4447 190:9700 191:1553 192:11463 193:9510 194:7836 195:5603 196:3285 197:3222 198:6220 199:6093 200:8189 201:6370 202:10701 203:10503 204:4647 205:3710 206:4403 207:3869 208:4279 209:5387 210:4946 211:2740 212:4920 213:3975 214:1040 215:54 216:7136 217:3383 218:1625 219:572 220:2200 221:1267 222:896 223:3136 End of report _______________________________________________ NANOG mailing list https://urldefense.com/v3/__https://lists.nanog.org/archives/list/nanog@list... 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