IPv4 R&E Routing Table Report 21:35 GMT Tue 10 Nov, 2026 IPv4 BGP Table (Global) as seen at USP. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/USP/ Analysis Summary ---------------- BGP routing table entries examined: 1082424 Prefixes after maximum aggregation (per Origin AS): 417322 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 542221 Number of IPv4 prefixes with a valid ROA: 769580 Number of IPv4 prefixes with an invalid ROA: 219 Number of IPv4 prefixes with no ROA: 312625 Total ASes present in the Internet Routing Table: 79760 Prefixes per ASN: 13.57 Origin-only ASes present in the Internet Routing Table: 68265 Origin ASes announcing only one prefix: 28062 Transit ASes present in the Internet Routing Table: 11495 Transit-only ASes present in the Internet Routing Table: 634 Paths with bogon ASNs present in the IPv4 Routing Table: 334 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 54 Max AS path prepend of ASN ( 37447) 50 Prefixes from unregistered ASNs in the Routing Table: 1225 Number of instances of unregistered ASNs: 1248 Number of 32-bit ASNs allocated by the RIRs: 52082 Number of 32-bit ASNs visible in the Routing Table: 42188 Prefixes from 32-bit ASNs in the Routing Table: 245538 Number of bogon 32-bit ASNs visible in the Routing Table: 60 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 530 Number of addresses announced to Internet: 3125100288 Equivalent to 186 /8s, 69 /16s and 63 /24s Percentage of available address space announced: 84.4 Percentage of allocated address space announced: 84.4 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: 358742 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 292285 Total APNIC prefixes after maximum aggregation: 85656 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 277499 Unique aggregates announced from the APNIC address blocks: 110885 APNIC Region origin ASes present in the Internet Routing Table: 15446 APNIC Prefixes per ASN: 17.97 APNIC Region origin ASes announcing only one prefix: 4820 APNIC Region transit ASes present in the Internet Routing Table: 2085 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 40 Number of APNIC region 32-bit ASNs visible in the Routing Table: 11064 Number of APNIC addresses announced to Internet: 749238784 Equivalent to 44 /8s, 168 /16s and 122 /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: 315023 Total ARIN prefixes after maximum aggregation: 140741 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 311801 Unique aggregates announced from the ARIN address blocks: 153348 ARIN Region origin ASes present in the Internet Routing Table: 19598 ARIN Prefixes per ASN: 15.91 ARIN Region origin ASes announcing only one prefix: 7253 ARIN Region transit ASes present in the Internet Routing Table: 1986 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 46 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5905 Number of ARIN addresses announced to Internet: 1354980096 Equivalent to 80 /8s, 195 /16s and 91 /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: 302268 Total RIPE prefixes after maximum aggregation: 150870 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 311528 Unique aggregates announced from the RIPE address blocks: 205919 RIPE Region origin ASes present in the Internet Routing Table: 30025 RIPE Prefixes per ASN: 10.38 RIPE Region origin ASes announcing only one prefix: 12443 RIPE Region transit ASes present in the Internet Routing Table: 4166 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 46 Number of RIPE region 32-bit ASNs visible in the Routing Table: 14117 Number of RIPE addresses announced to Internet: 751944192 Equivalent to 44 /8s, 209 /16s and 194 /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 196608-219547 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: 132505 Total LACNIC prefixes after maximum aggregation: 32061 LACNIC Deaggregation factor: 4.13 Prefixes being announced from the LACNIC address blocks: 125828 Unique aggregates announced from the LACNIC address blocks: 51819 LACNIC Region origin ASes present in the Internet Routing Table: 11555 LACNIC Prefixes per ASN: 10.89 LACNIC Region origin ASes announcing only one prefix: 2768 LACNIC Region transit ASes present in the Internet Routing Table: 2669 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 39 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9631 Number of LACNIC addresses announced to Internet: 165867008 Equivalent to 9 /8s, 226 /16s and 238 /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: 39118 Total AfriNIC prefixes after maximum aggregation: 7250 AfriNIC Deaggregation factor: 5.40 Prefixes being announced from the AfriNIC address blocks: 55237 Unique aggregates announced from the AfriNIC address blocks: 19800 AfriNIC Region origin ASes present in the Internet Routing Table: 2106 AfriNIC Prefixes per ASN: 26.23 AfriNIC Region origin ASes announcing only one prefix: 778 AfriNIC Region transit ASes present in the Internet Routing Table: 387 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1471 Number of AfriNIC addresses announced to Internet: 102778112 Equivalent to 6 /8s, 32 /16s and 69 /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 14022 8737 135 CHINAMOBILE-CN - China Mobile Communicati 9498 5138 562 340 BBIL-AP - BHARTI Airtel Ltd., IN 17561 4805 301 605 LCS-AS-AP - LARUS Limited, HK 18403 4721 347 24 FPT-VN - FPT Telecom Company, VN 7545 4636 842 280 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4101 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3642 888 183 CMNET-Jiangsu-AP - China Mobile communica 7713 3489 1044 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3399 1868 97 VNPT-AS-VN - VNPT Corp, VN 140292 3297 337 1655 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 17284 42612 5611 AMAZON-02 - Amazon.com, Inc., US 11492 4656 309 1087 CABLEONE - CABLE ONE, INC., US 22773 4584 3270 488 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 7155 4337 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3846 1305 74 SHAW - Shaw Communications, CA 396982 3564 5382 609 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3320 246 1171 AS-COLOCROSSING - HostPapa, US 749 3131 54647 2382 DNIC-AS-00749 - United States Department 7029 3004 2575 913 WINDSTREAM - Windstream Communications LL 6079 2888 1135 1462 RCN-AS - RCN, US Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6818 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4402 392 2670 M247 - M247 Europe SRL, RO 20940 3819 3388 105 AKAMAI-ASN1 - Akamai International B.V., 212238 3681 271 2790 CDNEXT - Datacamp Limited, GB 12389 3113 2330 874 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2526 155 30 KCELL-AS - Kcell JSC, KZ 34984 2509 369 592 TELLCOM-AS - Superonline Iletisim Hizmetl 25019 2053 1384 141 SAUDINETSTC-AS - Saudi Telecom Company JS 3257 1752 2096 984 GTT-BACKBONE - GTT Communications Inc., U Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 13097 3300 611 AS8151 - UNINET, MX 10620 3398 442 1121 AS10620 - Telmex Colombia S.A., CO 13999 2221 495 328 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1845 369 65 AS11830 - Instituto Costarricense de Elec 11664 1512 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1398 2430 271 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1268 763 226 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1175 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1100 72 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1079 75 55 AS27715 - Locaweb Servicos de Internet S/ Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1972 481 26 Vodafone Data - Vodafone Data, EG 36992 1944 1543 326 ETISALAT MISR - ETISALAT MISR, EG 24863 1459 389 20 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1389 606 122 Office National des Postes et Telecommuni 36935 1303 524 47 Vodafone Data - Vodafone Data, EG 37069 1128 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 15399 805 57 61 Wananchi Group (Kenya) Limited - Wananchi 20011 765 188 328 Dimension Data - Dimension Data, ZA 36914 548 82 3 Kenya Education Network - Kenya Education Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 17284 42612 5611 AMAZON-02 - Amazon.com, Inc., US 9808 14022 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13097 3300 611 AS8151 - UNINET, MX 12479 6818 1711 150 UNI2-AS - Orange Espagne SA, ES 9498 5138 562 340 BBIL-AP - BHARTI Airtel Ltd., IN 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 17561 4805 301 605 LCS-AS-AP - LARUS Limited, HK 18403 4721 347 24 FPT-VN - FPT Telecom Company, VN 11492 4656 309 1087 CABLEONE - CABLE ONE, INC., US 7545 4636 842 280 TPG-INTERNET-AP - TPG Telecom Limited, AU Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 14022 13887 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13097 12486 AS8151 - UNINET, MX 12479 6818 6668 UNI2-AS - Orange Espagne SA, ES 39891 5044 4967 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5138 4798 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4721 4697 FPT-VN - FPT Telecom Company, VN 7545 4636 4356 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4337 4250 VIASAT-SP-BACKBONE - ViaSat,Inc., US 17561 4805 4200 LCS-AS-AP - LARUS Limited, HK 22773 4584 4096 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Complete listing at https://bgp.nsrc.org/REN/USP/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 4593 UNALLOCATED 2.26.176.0/24 10122 NETSTAR-AS-AP - NETSTAR 4593 UNALLOCATED 2.26.216.0/24 10122 NETSTAR-AS-AP - NETSTAR 4593 UNALLOCATED 2.26.219.0/24 10122 NETSTAR-AS-AP - NETSTAR 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Com 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/USP/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, Complete listing at https://bgp.nsrc.org/REN/USP/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:39 /11:97 /12:299 /13:590 /14:1193 /15:2136 /16:13724 /17:8305 /18:13304 /19:25429 /20:45512 /21:53607 /22:114065 /23:111607 /24:692486 /25:0 /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 7303 13097 AS8151 - UNINET, MX 12479 5738 6818 UNI2-AS - Orange Espagne SA, ES 39891 3727 5044 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3612 3846 SHAW - Shaw Communications, CA 11492 3523 4656 CABLEONE - CABLE ONE, INC., US 16509 3366 17284 AMAZON-02 - Amazon.com, Inc., US 7155 3268 4337 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 2713 4584 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 17561 2462 4805 LCS-AS-AP - LARUS Limited, HK 10620 2233 3398 AS10620 - Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/USP/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2750 2:3000 3:1266 4:6 5:5544 6:219 7:6 8:1496 9:427 11:172 12:1070 13:1282 14:2711 15:487 16:393 17:474 18:1061 20:619 21:4 22:188 23:8690 24:2820 25:2 26:2 27:2951 29:19 31:4032 32:33 34:94 35:315 36:4931 37:4476 38:10579 39:1453 40:453 41:4645 42:2271 43:3517 44:539 45:20103 46:5024 47:460 48:501 49:2388 50:2021 51:1136 52:1432 54:460 55:1098 56:11 57:348 58:2476 59:1373 60:1190 61:3314 62:3183 63:1659 64:6752 65:2207 66:5957 67:3223 68:1350 69:4064 70:1065 71:606 72:3301 74:3167 75:1744 76:595 77:2936 78:2184 79:2117 80:2454 81:2317 82:4390 83:1572 84:2138 85:3958 86:1152 87:3018 88:1357 89:4946 90:763 91:8577 92:2773 93:3058 94:4689 95:4791 96:1458 97:300 98:902 99:1128 100:129 101:1630 102:4799 103:32452 104:5845 105:966 106:972 107:3001 108:1464 109:4053 110:2234 111:4243 112:3232 113:1986 114:2645 115:2357 116:2087 117:3917 118:3048 119:2099 120:2847 121:2040 122:3065 123:2200 124:1691 125:2993 126:175 128:1603 129:1041 130:1796 131:2605 132:886 133:494 134:1873 135:695 136:1616 137:1635 138:3479 139:1837 140:1899 141:2015 142:2772 143:2377 144:1930 145:711 146:2278 147:2426 148:2920 149:3614 150:1461 151:3152 152:2589 153:2273 154:9011 155:2383 156:4278 157:2504 158:1666 159:2995 160:4226 161:2130 162:4301 163:2838 164:2496 165:2784 166:1263 167:2425 168:4289 169:1019 170:5647 171:1143 172:4935 173:3472 174:813 175:1434 176:4142 177:6887 178:4708 179:3397 180:3372 181:4777 182:4181 183:2906 184:2196 185:22077 186:6630 187:6959 188:4963 189:4945 190:10041 191:2353 192:12168 193:9626 194:7980 195:6022 196:3499 197:3469 198:6575 199:6161 200:8552 201:6999 202:10735 203:10726 204:4841 205:3799 206:4518 207:4078 208:4353 209:5469 210:4786 211:2738 212:5224 213:4151 214:1030 215:60 216:7334 217:4003 218:1927 219:415 220:2228 221:1444 222:982 223:3678 End of report