IPv4 R&E Routing Table Report 21:35 GMT Sat 20 Jun, 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: 1053768 Prefixes after maximum aggregation (per Origin AS): 407092 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 523102 Number of IPv4 prefixes with a valid ROA: 704518 Number of IPv4 prefixes with an invalid ROA: 160 Number of IPv4 prefixes with no ROA: 349090 Total ASes present in the Internet Routing Table: 78762 Prefixes per ASN: 13.38 Origin-only ASes present in the Internet Routing Table: 67389 Origin ASes announcing only one prefix: 27526 Transit ASes present in the Internet Routing Table: 11373 Transit-only ASes present in the Internet Routing Table: 594 Paths with bogon ASNs present in the IPv4 Routing Table: 302 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 69 Max AS path prepend of ASN ( 63293) 64 Prefixes from unregistered ASNs in the Routing Table: 1377 Number of instances of unregistered ASNs: 1407 Number of 32-bit ASNs allocated by the RIRs: 50213 Number of 32-bit ASNs visible in the Routing Table: 40919 Prefixes from 32-bit ASNs in the Routing Table: 234040 Number of bogon 32-bit ASNs visible in the Routing Table: 102 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 463 Number of addresses announced to Internet: 3120287744 Equivalent to 185 /8s, 251 /16s and 208 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 344598 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 286861 Total APNIC prefixes after maximum aggregation: 84696 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 272974 Unique aggregates announced from the APNIC address blocks: 109251 APNIC Region origin ASes present in the Internet Routing Table: 15238 APNIC Prefixes per ASN: 17.91 APNIC Region origin ASes announcing only one prefix: 4671 APNIC Region transit ASes present in the Internet Routing Table: 2067 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 44 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10833 Number of APNIC addresses announced to Internet: 747762944 Equivalent to 44 /8s, 145 /16s and 245 /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: 305991 Total ARIN prefixes after maximum aggregation: 137932 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 304724 Unique aggregates announced from the ARIN address blocks: 148859 ARIN Region origin ASes present in the Internet Routing Table: 19458 ARIN Prefixes per ASN: 15.66 ARIN Region origin ASes announcing only one prefix: 7119 ARIN Region transit ASes present in the Internet Routing Table: 1963 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 69 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5634 Number of ARIN addresses announced to Internet: 1348416000 Equivalent to 80 /8s, 95 /16s and 50 /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: 292716 Total RIPE prefixes after maximum aggregation: 145753 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 296947 Unique aggregates announced from the RIPE address blocks: 194806 RIPE Region origin ASes present in the Internet Routing Table: 29601 RIPE Prefixes per ASN: 10.03 RIPE Region origin ASes announcing only one prefix: 12254 RIPE Region transit ASes present in the Internet Routing Table: 4114 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 46 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13561 Number of RIPE addresses announced to Internet: 749805056 Equivalent to 44 /8s, 177 /16s and 30 /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: 129124 Total LACNIC prefixes after maximum aggregation: 30876 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 123906 Unique aggregates announced from the LACNIC address blocks: 50318 LACNIC Region origin ASes present in the Internet Routing Table: 11422 LACNIC Prefixes per ASN: 10.85 LACNIC Region origin ASes announcing only one prefix: 2744 LACNIC Region transit ASes present in the Internet Routing Table: 2627 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9488 Number of LACNIC addresses announced to Internet: 169712384 Equivalent to 10 /8s, 29 /16s and 155 /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: 37699 Total AfriNIC prefixes after maximum aggregation: 7061 AfriNIC Deaggregation factor: 5.34 Prefixes being announced from the AfriNIC address blocks: 54753 Unique aggregates announced from the AfriNIC address blocks: 19474 AfriNIC Region origin ASes present in the Internet Routing Table: 2040 AfriNIC Prefixes per ASN: 26.84 AfriNIC Region origin ASes announcing only one prefix: 738 AfriNIC Region transit ASes present in the Internet Routing Table: 392 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1403 Number of AfriNIC addresses announced to Internet: 104340736 Equivalent to 6 /8s, 56 /16s and 29 /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 13993 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5859 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4966 552 330 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4627 347 24 FPT-VN - FPT Telecom Company, VN 7552 4054 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3702 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3557 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3430 216 600 LCS-AS-AP - LARUS Limited, HK 45899 3371 1868 97 VNPT-AS-VN - VNPT Corp, VN 24560 2727 731 734 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 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 15320 41454 5596 AMAZON-02 - Amazon.com, Inc., US 22773 4774 3115 359 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4594 305 1118 CABLEONE - CABLE ONE, INC., US 7155 3871 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3728 1305 74 SHAW - Shaw Communications, CA 396982 3377 4868 518 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 3094 233 1038 AS-COLOCROSSING - HostPapa, US 7029 2649 2538 891 WINDSTREAM - Windstream Communications LL 30036 2546 353 577 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C 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 7122 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4138 374 2514 M247 - M247 Europe SRL, RO 20940 3789 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3351 239 2507 CDNEXT - Datacamp Limited, GB 12389 3150 2320 872 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2481 367 588 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1701 1852 14 TE-AS - IDDQD-AS, EG 44559 1694 106 814 ITHOSTLINE - IT HOSTLINE LTD, CY 203020 1656 253 828 HostRoyale - HostRoyale Technologies Pvt 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 12828 3265 626 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2339 500 347 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1910 369 65 AS11830 - Instituto Costarricense de Elec 11664 1497 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1372 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1217 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1090 70 367 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1060 2392 100 AS26615 - TIM S/A, BR 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 2027 617 34 Vodafone Data - Vodafone Data, EG 36992 1863 1533 338 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1294 523 45 Vodafone Data - Vodafone Data, EG 24863 1276 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1115 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 617 56 203 Africa on Cloud - Africa on Cloud, ZA 15399 549 57 59 Wananchi Group (Kenya) Limited - Wananchi 36914 547 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 15320 41454 5596 AMAZON-02 - Amazon.com, Inc., US 9808 13993 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12828 3265 626 AS8151 - UNINET, MX 12479 7122 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5859 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4966 552 330 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4774 3115 359 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4627 347 24 FPT-VN - FPT Telecom Company, VN 11492 4594 305 1118 CABLEONE - CABLE ONE, INC., US 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 13993 13874 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12828 12202 AS8151 - UNINET, MX 12479 7122 6972 UNI2-AS - Orange Espagne SA, ES 7545 5859 5390 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4966 4636 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4627 4603 FPT-VN - FPT Telecom Company, VN 22773 4774 4415 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4054 4030 VIETEL-AS-AP - Viettel Group, VN 7155 3871 3784 VIASAT-SP-BACKBONE - ViaSat,Inc., US 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 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 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 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent 400273 UNALLOCATED 8.41.137.0/24 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 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 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 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 /13:589 /14:1192 /15:2118 /16:13670 /17:8297 /18:13324 /19:25461 /20:45746 /21:52537 /22:113510 /23:108755 /24:668103 /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 7031 12828 AS8151 - UNINET, MX 12479 6051 7122 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3509 3728 SHAW - Shaw Communications, CA 11492 3479 4594 CABLEONE - CABLE ONE, INC., US 22773 3051 4774 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2824 3871 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2772 15320 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2204 2546 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/USP/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2534 2:2046 3:1017 4:5 5:5250 6:204 7:6 8:1426 9:73 11:172 12:1112 13:764 14:2720 15:474 16:360 17:444 18:942 20:615 21:4 22:188 23:8397 24:2775 25:2 27:2811 28:1 29:19 31:3787 32:36 34:88 35:287 36:4794 37:4427 38:10117 39:1317 40:446 41:4563 42:2168 43:3242 44:467 45:19930 46:4952 47:445 48:168 49:2324 50:2006 51:874 52:1357 54:304 55:1173 56:11 57:319 58:2747 59:1482 60:1175 61:3131 62:3158 63:1694 64:6451 65:2153 66:6060 67:3312 68:1265 69:4093 70:1050 71:615 72:3226 74:3087 75:1496 76:593 77:2910 78:2110 79:1801 80:2340 81:2303 82:4335 83:1477 84:2227 85:3860 86:1088 87:2759 88:1316 89:4760 90:789 91:8463 92:2776 93:3009 94:4662 95:4678 96:1446 97:309 98:934 99:866 100:69 101:1468 102:4686 103:32331 104:5602 105:859 106:904 107:2942 108:1305 109:3936 110:2283 111:4143 112:3103 113:1979 114:2506 115:2330 116:2083 117:3597 118:3057 119:2041 120:2743 121:1648 122:3007 123:2215 124:1916 125:2987 126:158 128:1612 129:978 130:1704 131:2466 132:896 133:488 134:1740 135:632 136:1491 137:1564 138:3407 139:1803 140:1861 141:1722 142:2578 143:2083 144:1809 145:661 146:2192 147:2270 148:2805 149:3301 150:1372 151:2965 152:2382 153:1807 154:9733 155:2342 156:4562 157:2429 158:1592 159:2864 160:3875 161:2036 162:4129 163:2635 164:2387 165:2779 166:1274 167:2363 168:4125 169:883 170:5620 171:1113 172:4906 173:3470 174:901 175:1362 176:3968 177:5104 178:4537 179:2474 180:3397 181:4629 182:4042 183:2881 184:2062 185:21887 186:6427 187:5412 188:4785 189:4621 190:9953 191:1769 192:11758 193:9628 194:7859 195:5865 196:3435 197:3146 198:6293 199:6130 200:8375 201:6562 202:10671 203:10675 204:4778 205:3800 206:4451 207:4057 208:4357 209:5473 210:4768 211:2687 212:5122 213:4096 214:1039 215:47 216:7293 217:3702 218:1772 219:409 220:2216 221:1328 222:942 223:3585 End of report