
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://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. IPv4 Routing Table Report 04:00 +10GMT Sat 12 Apr, 2025 IPv4 BGP Table (Global) as seen at Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 979819 Prefixes after maximum aggregation (per Origin AS): 376265 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 477215 Number of IPv4 prefixes with a valid ROA: 535000 Number of IPv4 prefixes with an invalid ROA: 1221 Number of IPv4 prefixes with no ROA: 443598 Total ASes present in the Internet Routing Table: 76835 Prefixes per ASN: 12.75 Origin-only ASes present in the Internet Routing Table: 65777 Origin ASes announcing only one prefix: 26884 Transit ASes present in the Internet Routing Table: 11058 Transit-only ASes present in the Internet Routing Table: 547 Average AS path length visible in the Internet Routing Table: 5.2 Max AS path length visible: 65 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1090 Number of instances of unregistered ASNs: 1096 Number of 32-bit ASNs allocated by the RIRs: 46167 Number of 32-bit ASNs visible in the Routing Table: 38127 Prefixes from 32-bit ASNs in the Routing Table: 200829 Number of bogon 32-bit ASNs visible in the Routing Table: 38 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 460 Number of addresses announced to Internet: 3107618688 Equivalent to 185 /8s, 58 /16s and 127 /24s Percentage of available address space announced: 83.9 Percentage of allocated address space announced: 83.9 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: 321865 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 257024 Total APNIC prefixes after maximum aggregation: 77125 APNIC Deaggregation factor: 3.33 Prefixes being announced from the APNIC address blocks: 248806 Unique aggregates announced from the APNIC address blocks: 102916 APNIC Region origin ASes present in the Internet Routing Table: 14619 APNIC Prefixes per ASN: 17.02 APNIC Region origin ASes announcing only one prefix: 4450 APNIC Region transit ASes present in the Internet Routing Table: 1967 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 56 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10096 Number of APNIC addresses announced to Internet: 749229056 Equivalent to 44 /8s, 168 /16s and 84 /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: 289398 Total ARIN prefixes after maximum aggregation: 129133 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 290369 Unique aggregates announced from the ARIN address blocks: 137599 ARIN Region origin ASes present in the Internet Routing Table: 19247 ARIN Prefixes per ASN: 15.09 ARIN Region origin ASes announcing only one prefix: 7022 ARIN Region transit ASes present in the Internet Routing Table: 1993 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5186 Number of ARIN addresses announced to Internet: 1349620736 Equivalent to 80 /8s, 113 /16s and 148 /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: 273308 Total RIPE prefixes after maximum aggregation: 133303 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 271132 Unique aggregates announced from the RIPE address blocks: 173631 RIPE Region origin ASes present in the Internet Routing Table: 28897 RIPE Prefixes per ASN: 9.38 RIPE Region origin ASes announcing only one prefix: 12050 RIPE Region transit ASes present in the Internet Routing Table: 4010 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 45 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12383 Number of RIPE addresses announced to Internet: 731708288 Equivalent to 43 /8s, 156 /16s and 251 /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: 123811 Total LACNIC prefixes after maximum aggregation: 29299 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 120473 Unique aggregates announced from the LACNIC address blocks: 48867 LACNIC Region origin ASes present in the Internet Routing Table: 11236 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2506 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9188 Number of LACNIC addresses announced to Internet: 171772416 Equivalent to 10 /8s, 61 /16s and 10 /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: 35188 Total AfriNIC prefixes after maximum aggregation: 6754 AfriNIC Deaggregation factor: 5.21 Prefixes being announced from the AfriNIC address blocks: 48579 Unique aggregates announced from the AfriNIC address blocks: 13808 AfriNIC Region origin ASes present in the Internet Routing Table: 1911 AfriNIC Prefixes per ASN: 25.42 AfriNIC Region origin ASes announcing only one prefix: 694 AfriNIC Region transit ASes present in the Internet Routing Table: 380 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 65 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1274 Number of AfriNIC addresses announced to Internet: 105051904 Equivalent to 6 /8s, 66 /16s and 247 /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 10314 8754 94 CHINAMOBILE-CN China Mobile Communication 7545 6214 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4780 4192 76 ERX-CERNET-BKB China Education and Resear 9498 4313 530 278 BBIL-AP BHARTI Airtel Ltd., IN 7552 3920 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3675 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3277 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2856 850 539 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4766 2382 11522 625 KIXS-AS-KR Korea Telecom, KR 45090 2205 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13165 39690 4081 AMAZON-02, US 11492 4693 311 586 CABLEONE, US 7155 3829 286 85 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 174 3420 8765 951 COGENT-174, US 22773 3396 3033 182 ASN-CXA-ALL-CCI-22773-RDC, US 749 3255 54879 2506 DNIC-AS-00749, US 16625 2978 1246 2203 AKAMAI-AS, US 396982 2951 3649 468 GOOGLE-CLOUD-PLATFORM, US 36352 2644 218 802 AS-COLOCROSSING, US Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7706 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3915 3395 129 AKAMAI-ASN1, NL 9009 3762 325 1956 M247, RO 12389 3077 2303 888 ROSTELECOM-AS, RU 34984 2363 360 581 TELLCOM-AS, TR 212238 2090 148 1540 CDNEXT, GB 8452 1637 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1481 98 745 CLOUVIDER Clouvider - Global ASN, GB Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11934 3245 583 UNINET, MX 10620 3536 487 974 Telmex Colombia S.A., CO 13999 2512 539 364 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1357 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1192 371 22 Telefonica del Peru S.A.A., PE 11664 1180 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1050 67 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1043 374 163 Axtel, S.A.B. de C.V., MX Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1702 599 30 RAYA-AS, EG 24863 1643 389 16 LINKdotNET-AS, EG 29571 1580 102 22 ORANGE-COTE-IVOIRE, CI 36992 1430 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1028 523 45 Vodafone-, EG 20011 981 185 285 INTERNET-SOLUTIONS, ZA 37069 932 1099 15 MOBINIL, EG 6713 561 1861 35 IAM-AS, MA 36914 545 82 3 KENET-AS, KE Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13165 39690 4081 AMAZON-02, US 8151 11934 3245 583 UNINET, MX 9808 10314 8754 94 CHINAMOBILE-CN China Mobile Communication 12479 7706 1714 145 UNI2-AS, ES 7545 6214 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 4538 4780 4192 76 ERX-CERNET-BKB China Education and Resear 11492 4693 311 586 CABLEONE, US 9498 4313 530 278 BBIL-AP BHARTI Airtel Ltd., IN 7552 3920 1332 26 VIETEL-AS-AP Viettel Group, VN Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 11934 11351 UNINET, MX 9808 10314 10220 CHINAMOBILE-CN China Mobile Communications Grou 12479 7706 7561 UNI2-AS, ES 7545 6214 5558 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 4538 4780 4704 ERX-CERNET-BKB China Education and Research Net 11492 4693 4107 CABLEONE, US 9498 4313 4035 BBIL-AP BHARTI Airtel Ltd., IN 7552 3920 3894 VIETEL-AS-AP Viettel Group, VN 20940 3915 3786 AKAMAI-ASN1, NL Complete listing at https://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://thyme.apnic.net/current/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://thyme.apnic.net/current/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 23.137.68.0/24 Origin: 63129 AIRRABBIT-NETWORK, US 23.137.68.0/24 Transit: 6939 HURRICANE, US 23.137.100.0/24 Origin: 401616 PNL, US 23.137.100.0/24 Transit: 213622 BAREMETAL, AE 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 Complete listing at https://thyme.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:16 /10:41 /11:93 /12:301 /13:582 /14:1216 /15:2142 /16:13944 /17:8343 /18:13826 /19:24822 /20:44541 /21:52270 /22:112495 /23:101738 /24:602633 /25:800 /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 12479 6628 7706 UNI2-AS, ES 8151 6139 11934 UNINET, MX 11492 3531 4693 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 2787 3829 VIASAT-SP-BACKBONE, US 22773 2534 3396 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2336 13165 AMAZON-02, US 30036 2213 2553 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2198 3536 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1702 2:1518 3:614 4:10 5:4591 6:163 7:6 8:1551 9:1 11:172 12:1370 13:351 14:2548 15:352 16:279 17:367 18:923 20:480 21:4 22:188 23:7405 24:2844 25:2 27:2694 29:19 31:3233 32:40 34:80 35:204 36:2412 37:4668 38:8856 39:897 40:160 41:4212 42:950 43:2552 44:371 45:18511 46:4967 47:287 49:1927 50:1899 51:591 52:1553 54:299 55:873 56:11 57:249 58:2133 59:1359 60:1171 61:2793 62:2911 63:1833 64:5498 65:2172 66:4650 67:3066 68:1120 69:3978 70:1067 71:616 72:2836 74:2804 75:1604 76:617 77:2738 78:1872 79:1740 80:2211 81:2022 82:3113 83:1426 84:1839 85:3390 86:1041 87:2405 88:1285 89:4325 90:776 91:8319 92:2784 93:2893 94:4076 95:4309 96:1445 97:313 98:996 99:643 100:71 101:1171 102:3733 103:32232 104:4762 105:755 106:990 107:2615 108:1208 109:4097 110:2238 111:3371 112:2046 113:1538 114:1970 115:2149 116:2042 117:2735 118:2371 119:1925 120:1890 121:1420 122:2761 123:2172 124:1618 125:2887 126:91 128:1566 129:968 130:1269 131:1895 132:786 133:451 134:1524 135:332 136:1303 137:1155 138:2887 139:1600 140:1583 141:1483 142:1845 143:1635 144:1077 145:515 146:2165 147:2101 148:2657 149:2906 150:1243 151:1737 152:2104 153:503 154:7913 155:1638 156:3217 157:1881 158:1278 159:2445 160:3549 161:1895 162:3725 163:2021 164:1701 165:2206 166:1455 167:1883 168:4055 169:790 170:5092 171:1004 172:4456 173:3226 174:911 175:1293 176:3681 177:4716 178:3784 179:2303 180:2587 181:4062 182:3371 183:1816 184:2137 185:21487 186:5096 187:4427 188:4191 189:4194 190:9627 191:1462 192:11221 193:9428 194:7787 195:5519 196:3284 197:3693 198:6185 199:8455 200:8203 201:6288 202:10563 203:10541 204:4551 205:3664 206:4629 207:3564 208:4197 209:5194 210:4809 211:2633 212:4523 213:3772 214:1037 215:48 216:6610 217:3097 218:1385 219:538 220:2088 221:1069 222:848 223:2342 End of report