IPv4 R&E Routing Table Report 21:35 GMT Wed 17 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: 1053187 Prefixes after maximum aggregation (per Origin AS): 406725 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 522830 Number of IPv4 prefixes with a valid ROA: 703345 Number of IPv4 prefixes with an invalid ROA: 163 Number of IPv4 prefixes with no ROA: 349679 Total ASes present in the Internet Routing Table: 78726 Prefixes per ASN: 13.38 Origin-only ASes present in the Internet Routing Table: 67348 Origin ASes announcing only one prefix: 27506 Transit ASes present in the Internet Routing Table: 11378 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: 1385 Number of instances of unregistered ASNs: 1415 Number of 32-bit ASNs allocated by the RIRs: 50158 Number of 32-bit ASNs visible in the Routing Table: 40884 Prefixes from 32-bit ASNs in the Routing Table: 233614 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: 471 Number of addresses announced to Internet: 3120300544 Equivalent to 185 /8s, 252 /16s and 2 /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: 344327 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 286956 Total APNIC prefixes after maximum aggregation: 84642 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 272952 Unique aggregates announced from the APNIC address blocks: 109236 APNIC Region origin ASes present in the Internet Routing Table: 15232 APNIC Prefixes per ASN: 17.92 APNIC Region origin ASes announcing only one prefix: 4666 APNIC Region transit ASes present in the Internet Routing Table: 2072 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10826 Number of APNIC addresses announced to Internet: 747721216 Equivalent to 44 /8s, 145 /16s and 82 /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: 305868 Total ARIN prefixes after maximum aggregation: 137798 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 304540 Unique aggregates announced from the ARIN address blocks: 148718 ARIN Region origin ASes present in the Internet Routing Table: 19452 ARIN Prefixes per ASN: 15.66 ARIN Region origin ASes announcing only one prefix: 7122 ARIN Region transit ASes present in the Internet Routing Table: 1961 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: 5632 Number of ARIN addresses announced to Internet: 1348376320 Equivalent to 80 /8s, 94 /16s and 151 /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: 292445 Total RIPE prefixes after maximum aggregation: 145594 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 296745 Unique aggregates announced from the RIPE address blocks: 194621 RIPE Region origin ASes present in the Internet Routing Table: 29584 RIPE Prefixes per ASN: 10.03 RIPE Region origin ASes announcing only one prefix: 12238 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: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13543 Number of RIPE addresses announced to Internet: 749761536 Equivalent to 44 /8s, 176 /16s and 116 /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: 128788 Total LACNIC prefixes after maximum aggregation: 30872 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 123576 Unique aggregates announced from the LACNIC address blocks: 50359 LACNIC Region origin ASes present in the Internet Routing Table: 11417 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2748 LACNIC Region transit ASes present in the Internet Routing Table: 2632 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: 9482 Number of LACNIC addresses announced to Internet: 169841920 Equivalent to 10 /8s, 31 /16s and 149 /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: 37745 Total AfriNIC prefixes after maximum aggregation: 7041 AfriNIC Deaggregation factor: 5.36 Prefixes being announced from the AfriNIC address blocks: 54902 Unique aggregates announced from the AfriNIC address blocks: 19494 AfriNIC Region origin ASes present in the Internet Routing Table: 2038 AfriNIC Prefixes per ASN: 26.94 AfriNIC Region origin ASes announcing only one prefix: 732 AfriNIC Region transit ASes present in the Internet Routing Table: 392 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1401 Number of AfriNIC addresses announced to Internet: 104346880 Equivalent to 6 /8s, 56 /16s and 53 /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 13989 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5860 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4956 552 328 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4600 347 24 FPT-VN - FPT Telecom Company, VN 7552 4053 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3702 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 17561 3556 223 602 LCS-AS-AP - LARUS Limited, HK 56046 3556 887 177 CMNET-Jiangsu-AP - China Mobile communica 45899 3369 1868 97 VNPT-AS-VN - VNPT Corp, VN 24560 2720 730 732 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 15357 41455 5605 AMAZON-02 - Amazon.com, Inc., US 22773 4774 3115 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4603 306 1108 CABLEONE - CABLE ONE, INC., US 7155 3869 286 88 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3727 1305 74 SHAW - Shaw Communications, CA 396982 3373 4868 518 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3137 54728 2388 DNIC-AS-00749 - United States Department 36352 3092 233 1036 AS-COLOCROSSING - HostPapa, US 7029 2646 2538 891 WINDSTREAM - Windstream Communications LL 30036 2543 353 585 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 7124 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4124 373 2510 M247 - M247 Europe SRL, RO 20940 3783 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3314 237 2473 CDNEXT - Datacamp Limited, GB 12389 3148 2320 870 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2481 367 588 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1701 1852 14 TE-AS - IDDQD-AS, EG 203020 1654 253 828 HostRoyale - HostRoyale Technologies Pvt 44559 1651 103 817 ITHOSTLINE - IT HOSTLINE LTD, CY 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 12824 3265 627 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2343 500 347 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1928 369 65 AS11830 - Instituto Costarricense de Elec 11664 1491 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1370 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1216 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1092 71 361 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1058 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 1116 1100 11 The Egyptian Company for Mobile Services 29571 1085 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 617 56 203 Africa on Cloud - Africa on Cloud, ZA 36914 556 82 3 Kenya Education Network - Kenya Education 15399 549 57 59 Wananchi Group (Kenya) Limited - Wananchi 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 15357 41455 5605 AMAZON-02 - Amazon.com, Inc., US 9808 13989 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12824 3265 627 AS8151 - UNINET, MX 12479 7124 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5860 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4956 552 328 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4774 3115 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4603 306 1108 CABLEONE - CABLE ONE, INC., US 18403 4600 347 24 FPT-VN - FPT Telecom Company, VN 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 13989 13870 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12824 12197 AS8151 - UNINET, MX 12479 7124 6974 UNI2-AS - Orange Espagne SA, ES 7545 5860 5391 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4956 4628 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4600 4576 FPT-VN - FPT Telecom Company, VN 22773 4774 4412 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4053 4029 VIETEL-AS-AP - Viettel Group, VN 7155 3869 3781 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 219429 UNALLOCATED 5.145.177.0/24 24875 NOVOSERVE-AS - NovoServ 219412 UNALLOCATED 5.175.190.0/24 20473 AS-VULTR - The Constant 219429 UNALLOCATED 5.178.108.0/24 24875 NOVOSERVE-AS - NovoServ 219429 UNALLOCATED 5.182.61.0/24 24875 NOVOSERVE-AS - NovoServ 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 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 23.131.104.0/24 Origin: 400290 UNASSIGNED 23.131.104.0/24 Transit: 6939 HURRICANE - Hurricane Electric LLC, US 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 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 /16:13667 /17:8299 /18:13319 /19:25452 /20:45754 /21:52544 /22:113512 /23:108665 /24:667610 /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 7028 12824 AS8151 - UNINET, MX 12479 6053 7124 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3508 3727 SHAW - Shaw Communications, CA 11492 3485 4603 CABLEONE - CABLE ONE, INC., US 22773 3053 4774 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2823 3869 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2789 15357 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2201 2543 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 2:2039 3:1024 4:5 5:5249 6:203 7:6 8:1428 9:71 11:172 12:1115 13:768 14:2716 15:474 16:274 17:444 18:944 20:614 21:4 22:188 23:8383 24:2774 25:2 27:2810 28:1 29:19 31:3791 32:36 34:87 35:287 36:4793 37:4431 38:10112 39:1317 40:447 41:4566 42:2164 43:3231 44:462 45:19899 46:4946 47:434 48:168 49:2323 50:2005 51:889 52:1358 54:304 55:1182 56:11 57:318 58:2748 59:1484 60:1175 61:3135 62:3143 63:1693 64:6455 65:2135 66:6065 67:3315 68:1242 69:4099 70:1052 71:615 72:3209 74:3093 75:1501 76:593 77:2912 78:2103 79:1797 80:2342 81:2302 82:4335 83:1475 84:2222 85:3864 86:1084 87:2747 88:1318 89:4767 90:792 91:8459 92:2774 93:3006 94:4655 95:4674 96:1448 97:310 98:941 99:865 100:69 101:1466 102:4720 103:32384 104:5577 105:860 106:902 107:2947 108:1307 109:3952 110:2283 111:4142 112:3104 113:1979 114:2511 115:2330 116:2080 117:3594 118:3046 119:2041 120:2743 121:1648 122:3001 123:2216 124:1927 125:2987 126:158 128:1617 129:976 130:1704 131:2469 132:897 133:488 134:1736 135:626 136:1487 137:1568 138:3379 139:1805 140:1854 141:1719 142:2576 143:2085 144:1795 145:655 146:2193 147:2318 148:2799 149:3286 150:1367 151:2957 152:2378 153:1799 154:9712 155:2374 156:4685 157:2424 158:1594 159:2862 160:3873 161:2027 162:4119 163:2630 164:2384 165:2787 166:1269 167:2357 168:4090 169:886 170:5623 171:1141 172:4910 173:3453 174:899 175:1363 176:3964 177:5065 178:4518 179:2416 180:3395 181:4619 182:4042 183:2869 184:2064 185:21885 186:6405 187:5400 188:4852 189:4604 190:9929 191:1733 192:11729 193:9632 194:7847 195:5851 196:3424 197:3152 198:6278 199:6096 200:8321 201:6539 202:10672 203:10691 204:4769 205:3806 206:4443 207:4043 208:4354 209:5500 210:4764 211:2690 212:5123 213:4090 214:1039 215:47 216:7276 217:3691 218:1772 219:409 220:2217 221:1328 222:941 223:3581 End of report