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April 2026

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Weekly Global IPv4 Routing Table Report
by Routing Table Analysis Role Account 03 Apr '26

03 Apr '26

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(a)lists.apnic.net. For historical data, please see https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>. IPv4 Routing Table Report 04:00 +10GMT Sat 04 Apr, 2026 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: 1042729 Prefixes after maximum aggregation (per Origin AS): 399212 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 511939 Number of IPv4 prefixes with a valid ROA: 625256 Number of IPv4 prefixes with an invalid ROA: 1476 Number of IPv4 prefixes with no ROA: 415997 Total ASes present in the Internet Routing Table: 78243 Prefixes per ASN: 13.33 Origin-only ASes present in the Internet Routing Table: 67214 Origin ASes announcing only one prefix: 27344 Transit ASes present in the Internet Routing Table: 11029 Transit-only ASes present in the Internet Routing Table: 572 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 69 Max AS path prepend of ASN (269326) 61 Prefixes from unregistered ASNs in the Routing Table: 1035 Number of instances of unregistered ASNs: 1077 Number of 32-bit ASNs allocated by the RIRs: 49218 Number of 32-bit ASNs visible in the Routing Table: 40278 Prefixes from 32-bit ASNs in the Routing Table: 226345 Number of bogon 32-bit ASNs visible in the Routing Table: 134 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 400 Number of addresses announced to Internet: 3108788352 Equivalent to 185 /8s, 76 /16s and 88 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 339143 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 286580 Total APNIC prefixes after maximum aggregation: 82885 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 273485 Unique aggregates announced from the APNIC address blocks: 107347 APNIC Region origin ASes present in the Internet Routing Table: 15158 APNIC Prefixes per ASN: 18.04 APNIC Region origin ASes announcing only one prefix: 4658 APNIC Region transit ASes present in the Internet Routing Table: 2001 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10713 Number of APNIC addresses announced to Internet: 753995392 Equivalent to 44 /8s, 241 /16s and 14 /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: 303575 Total ARIN prefixes after maximum aggregation: 135958 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 303129 Unique aggregates announced from the ARIN address blocks: 146549 ARIN Region origin ASes present in the Internet Routing Table: 19414 ARIN Prefixes per ASN: 15.61 ARIN Region origin ASes announcing only one prefix: 7094 ARIN Region transit ASes present in the Internet Routing Table: 1932 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5539 Number of ARIN addresses announced to Internet: 1348492544 Equivalent to 80 /8s, 96 /16s and 93 /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, 393216-404380 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: 287170 Total RIPE prefixes after maximum aggregation: 141934 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 289385 Unique aggregates announced from the RIPE address blocks: 188083 RIPE Region origin ASes present in the Internet Routing Table: 29366 RIPE Prefixes per ASN: 9.85 RIPE Region origin ASes announcing only one prefix: 12165 RIPE Region transit ASes present in the Internet Routing Table: 3973 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13237 Number of RIPE addresses announced to Internet: 732840320 Equivalent to 43 /8s, 174 /16s and 65 /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: 127455 Total LACNIC prefixes after maximum aggregation: 30773 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 122952 Unique aggregates announced from the LACNIC address blocks: 50200 LACNIC Region origin ASes present in the Internet Routing Table: 11385 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2696 LACNIC Region transit ASes present in the Internet Routing Table: 2574 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9409 Number of LACNIC addresses announced to Internet: 169863040 Equivalent to 10 /8s, 31 /16s and 231 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 36914 Total AfriNIC prefixes after maximum aggregation: 6996 AfriNIC Deaggregation factor: 5.28 Prefixes being announced from the AfriNIC address blocks: 53378 Unique aggregates announced from the AfriNIC address blocks: 19419 AfriNIC Region origin ASes present in the Internet Routing Table: 2012 AfriNIC Prefixes per ASN: 26.53 AfriNIC Region origin ASes announcing only one prefix: 731 AfriNIC Region transit ASes present in the Internet Routing Table: 381 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1380 Number of AfriNIC addresses announced to Internet: 103339008 Equivalent to 6 /8s, 40 /16s and 212 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13901 8945 105 CHINAMOBILE-CN China Mobile Communication 7545 5923 828 502 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5030 4193 77 ERX-CERNET-BKB China Education and Resear 9498 4883 548 318 BBIL-AP BHARTI Airtel Ltd., IN 18403 4544 347 26 FPT-AS-AP FPT Telecom Company, VN 7552 4057 1332 29 VIETEL-AS-AP Viettel Group, VN 7713 3665 1044 65 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3481 887 178 CMNET-JIANGSU-AP China Mobile communicati 45899 3360 1868 99 VNPT-AS-VN VNPT Corp, VN 24560 3015 862 519 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 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 14494 41226 5631 AMAZON-02 - Amazon.com, Inc., US 22773 4780 3117 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4661 309 1027 CABLEONE - CABLE ONE, INC., US 7155 3861 286 85 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3721 1305 77 SHAW - Shaw Communications, CA 396982 3296 4856 488 GOOGLE-CLOUD-PLATFORM - Google LLC, US 174 3279 8767 824 COGENT-174 - Cogent Communications, LLC, 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2705 222 893 AS-COLOCROSSING - HostPapa, US 30036 2661 364 329 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C 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 7173 1711 149 UNI2-AS, ES 39891 4972 306 72 ALJAWWALSTC-AS, SA 20940 3827 3389 110 AKAMAI-ASN1, NL 9009 3824 353 2244 M247, RO 12389 3176 2323 871 ROSTELECOM-AS PJSC Rostelecom. Technical 212238 2702 195 1985 CDNEXT, GB 34984 2450 365 571 TELLCOM-AS, TR 8452 1729 1852 17 TE-AS TE-AS, EG 203020 1637 248 807 HOSTROYALE, IN 13188 1607 100 27 TRIOLAN, UA 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 12808 3270 614 UNINET, MX 10620 3453 458 1104 Telmex Colombia S.A., CO 13999 2463 506 344 Mega Cable, S.A. de C.V., MX 11830 1948 369 65 Instituto Costarricense de Electricidad y 11664 1461 278 33 Techtel LMDS Comunicaciones Interactivas 28573 1373 2431 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1243 371 22 INTEGRATEL PERU S.A.A., PE 26615 1058 2393 96 TIM SA, BR 22884 1057 71 359 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 2025 648 34 RAYA-AS, EG 36992 1855 1532 338 ETISALAT-MISR, EG 24863 1294 389 16 LINKdotNET-AS, EG 36903 1232 555 98 MT-MPLS, MA 36935 1229 521 44 Vodafone-, EG 37069 1117 1100 11 MOBINIL, EG 29571 1071 78 19 ORANGE-COTE-IVOIRE, CI 20011 589 155 220 NTT-DATA-Inc, ZA 36914 558 82 3 KENET-AS, KE 15399 557 58 61 WANANCHI-, 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 14494 41226 5631 AMAZON-02 - Amazon.com, Inc., US 9808 13901 8945 105 CHINAMOBILE-CN China Mobile Communication 8151 12808 3270 614 UNINET, MX 12479 7173 1711 149 UNI2-AS, ES 7545 5923 828 502 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5030 4193 77 ERX-CERNET-BKB China Education and Resear 39891 4972 306 72 ALJAWWALSTC-AS, SA 9498 4883 548 318 BBIL-AP BHARTI Airtel Ltd., IN 22773 4780 3117 367 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4661 309 1027 CABLEONE - CABLE ONE, INC., US Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13901 13796 CHINAMOBILE-CN China Mobile Communications Grou 8151 12808 12194 UNINET, MX 12479 7173 7024 UNI2-AS, ES 7545 5923 5421 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 5030 4953 ERX-CERNET-BKB China Education and Research Net 39891 4972 4900 ALJAWWALSTC-AS, SA 9498 4883 4565 BBIL-AP BHARTI Airtel Ltd., IN 18403 4544 4518 FPT-AS-AP FPT Telecom Company, VN 22773 4780 4413 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4057 4028 VIETEL-AS-AP Viettel Group, VN 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 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887 - C 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 13342 UNALLOCATED 12.17.5.0/24 174 COGENT-174 - Cogent Com 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3 - Level 3 Parent 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 - Hurricane Electric LLC, US Complete listing at https://thyme.apnic.net/current/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 23.137.200.0/24 Origin: 16276 OVH, FR 23.137.200.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, 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 /9:14 /10:40 /11:95 /12:297 /13:582 /14:1192 /15:2097 /16:13634 /17:8369 /18:13401 /19:25696 /20:46943 /21:52859 /22:114249 /23:107714 /24:654842 /25:689 /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 6992 12808 UNINET, MX 12479 6115 7173 UNI2-AS, ES 39891 3656 4972 ALJAWWALSTC-AS, SA 11492 3521 4661 CABLEONE - CABLE ONE, INC., US 6327 3501 3721 SHAW - Shaw Communications, CA 22773 3055 4780 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2820 3861 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2606 14494 AMAZON-02 - Amazon.com, Inc., US 30036 2312 2661 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US 10620 2233 3453 Telmex Colombia S.A., CO Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2531 2:1785 3:993 4:5 5:5110 6:196 7:6 8:1510 9:39 11:172 12:1193 13:670 14:2714 15:456 16:170 17:423 18:909 20:583 21:4 22:188 23:8209 24:2860 25:2 27:2753 28:1 29:19 31:3417 32:37 34:86 35:284 36:4648 37:4439 38:10069 39:1280 40:429 41:4543 42:2190 43:3012 44:447 45:19826 46:4884 47:411 48:121 49:2218 50:2004 51:626 52:1294 54:270 55:1121 56:11 57:321 58:2418 59:1441 60:1174 61:3141 62:3124 63:1743 64:6302 65:2137 66:6073 67:3262 68:1505 69:4216 70:1060 71:610 72:3178 74:3021 75:1486 76:595 77:2918 78:1956 79:1791 80:2362 81:2204 82:4029 83:1448 84:2126 85:3800 86:1092 87:2450 88:1351 89:4696 90:785 91:8421 92:2824 93:3011 94:4357 95:4620 96:1447 97:316 98:941 99:804 100:68 101:1363 102:4466 103:32414 104:5331 105:813 106:911 107:2862 108:1238 109:4218 110:2297 111:4197 112:3166 113:1976 114:2271 115:2239 116:2166 117:3509 118:2943 119:2113 120:2718 121:1594 122:2994 123:2278 124:1727 125:3020 126:125 128:1610 129:971 130:1621 131:2464 132:802 133:475 134:1673 135:610 136:1604 137:1415 138:3217 139:1628 140:1823 141:1720 142:2523 143:2132 144:1701 145:644 146:2207 147:2179 148:2754 149:3098 150:1357 151:2762 152:2324 153:990 154:9577 155:2317 156:4465 157:2272 158:1522 159:2815 160:3818 161:1957 162:4027 163:2474 164:2035 165:2628 166:1275 167:2271 168:3990 169:855 170:5529 171:1120 172:4521 173:3466 174:883 175:1359 176:3819 177:4818 178:4369 179:2298 180:3041 181:4495 182:3996 183:2830 184:2019 185:21799 186:5769 187:4953 188:4612 189:4536 190:9808 191:1568 192:11489 193:9590 194:7873 195:5823 196:3324 197:3274 198:6283 199:6085 200:8249 201:6420 202:10817 203:10517 204:4792 205:3804 206:4541 207:3996 208:4384 209:5475 210:4905 211:2784 212:5025 213:4117 214:1058 215:47 216:7283 217:3570 218:1756 219:593 220:2201 221:1313 222:1075 223:3428 End of report

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