IPv4 R&E Routing Table Report 21:35 GMT Wed 24 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: 1054991 Prefixes after maximum aggregation (per Origin AS): 407214 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 523899 Number of IPv4 prefixes with a valid ROA: 706393 Number of IPv4 prefixes with an invalid ROA: 162 Number of IPv4 prefixes with no ROA: 348436 Total ASes present in the Internet Routing Table: 78820 Prefixes per ASN: 13.38 Origin-only ASes present in the Internet Routing Table: 67428 Origin ASes announcing only one prefix: 27538 Transit ASes present in the Internet Routing Table: 11392 Transit-only ASes present in the Internet Routing Table: 600 Paths with bogon ASNs present in the IPv4 Routing Table: 304 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: 1376 Number of instances of unregistered ASNs: 1406 Number of 32-bit ASNs allocated by the RIRs: 50223 Number of 32-bit ASNs visible in the Routing Table: 40974 Prefixes from 32-bit ASNs in the Routing Table: 234622 Number of bogon 32-bit ASNs visible in the Routing Table: 104 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 471 Number of addresses announced to Internet: 3120954880 Equivalent to 186 /8s, 5 /16s and 254 /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: 344970 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 287228 Total APNIC prefixes after maximum aggregation: 84779 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 273210 Unique aggregates announced from the APNIC address blocks: 109478 APNIC Region origin ASes present in the Internet Routing Table: 15271 APNIC Prefixes per ASN: 17.89 APNIC Region origin ASes announcing only one prefix: 4684 APNIC Region transit ASes present in the Internet Routing Table: 2075 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 41 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10865 Number of APNIC addresses announced to Internet: 748289024 Equivalent to 44 /8s, 153 /16s and 252 /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: 306175 Total ARIN prefixes after maximum aggregation: 137799 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 304890 Unique aggregates announced from the ARIN address blocks: 149172 ARIN Region origin ASes present in the Internet Routing Table: 19455 ARIN Prefixes per ASN: 15.67 ARIN Region origin ASes announcing only one prefix: 7109 ARIN Region transit ASes present in the Internet Routing Table: 1960 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: 5637 Number of ARIN addresses announced to Internet: 1348802816 Equivalent to 80 /8s, 101 /16s and 25 /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: 292899 Total RIPE prefixes after maximum aggregation: 145873 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 297170 Unique aggregates announced from the RIPE address blocks: 195011 RIPE Region origin ASes present in the Internet Routing Table: 29602 RIPE Prefixes per ASN: 10.04 RIPE Region origin ASes announcing only one prefix: 12253 RIPE Region transit ASes present in the Internet Routing Table: 4128 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 46 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13568 Number of RIPE addresses announced to Internet: 749628928 Equivalent to 44 /8s, 174 /16s and 110 /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: 129652 Total LACNIC prefixes after maximum aggregation: 30901 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 124379 Unique aggregates announced from the LACNIC address blocks: 50365 LACNIC Region origin ASes present in the Internet Routing Table: 11432 LACNIC Prefixes per ASN: 10.88 LACNIC Region origin ASes announcing only one prefix: 2755 LACNIC Region transit ASes present in the Internet Routing Table: 2623 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9497 Number of LACNIC addresses announced to Internet: 169638912 Equivalent to 10 /8s, 28 /16s and 124 /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: 37661 Total AfriNIC prefixes after maximum aggregation: 7079 AfriNIC Deaggregation factor: 5.32 Prefixes being announced from the AfriNIC address blocks: 54870 Unique aggregates announced from the AfriNIC address blocks: 19473 AfriNIC Region origin ASes present in the Internet Routing Table: 2045 AfriNIC Prefixes per ASN: 26.83 AfriNIC Region origin ASes announcing only one prefix: 737 AfriNIC Region transit ASes present in the Internet Routing Table: 396 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: 1407 Number of AfriNIC addresses announced to Internet: 104342784 Equivalent to 6 /8s, 56 /16s and 37 /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 13984 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5858 822 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4971 553 330 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4621 347 24 FPT-VN - FPT Telecom Company, VN 7552 4057 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3698 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3556 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3419 215 601 LCS-AS-AP - LARUS Limited, HK 45899 3375 1868 97 VNPT-AS-VN - VNPT Corp, VN 24560 2728 731 732 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 15430 41507 5610 AMAZON-02 - Amazon.com, Inc., US 22773 4775 3115 359 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4575 304 1126 CABLEONE - CABLE ONE, INC., US 7155 3871 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3719 1305 74 SHAW - Shaw Communications, CA 396982 3387 4868 519 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 3127 236 1062 AS-COLOCROSSING - HostPapa, US 7029 2653 2538 893 WINDSTREAM - Windstream Communications LL 30036 2548 354 570 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 7068 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4135 372 2511 M247 - M247 Europe SRL, RO 20940 3789 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3352 239 2508 CDNEXT - Datacamp Limited, GB 12389 3150 2320 872 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2482 367 589 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1704 1852 14 TE-AS - IDDQD-AS, EG 44559 1700 106 818 ITHOSTLINE - IT HOSTLINE LTD, CY 203020 1657 253 829 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 12842 3265 625 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2305 502 335 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1910 369 65 AS11830 - Instituto Costarricense de Elec 11664 1500 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 1213 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1096 71 362 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1065 2390 99 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 1991 617 34 Vodafone Data - Vodafone Data, EG 36992 1864 1533 337 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1282 523 45 Vodafone Data - Vodafone Data, EG 24863 1262 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 615 56 201 Africa on Cloud - Africa on Cloud, ZA 15399 550 57 59 Wananchi Group (Kenya) Limited - Wananchi 36914 550 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 15430 41507 5610 AMAZON-02 - Amazon.com, Inc., US 9808 13984 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12842 3265 625 AS8151 - UNINET, MX 12479 7068 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5858 822 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4971 553 330 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4775 3115 359 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4621 347 24 FPT-VN - FPT Telecom Company, VN 11492 4575 304 1126 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 13984 13865 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12842 12217 AS8151 - UNINET, MX 12479 7068 6918 UNI2-AS - Orange Espagne SA, ES 7545 5858 5390 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4971 4641 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4621 4597 FPT-VN - FPT Telecom Company, VN 22773 4775 4416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4057 4033 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 203057 UNALLOCATED 2.27.232.0/24 62610 ZEN-DPS - Zenlayer Inc, 205446 UNALLOCATED 5.59.192.0/24 206818 zilean - ZILEAN SOLUTIO 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 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: 32217 GPIEX - GPIEX INC, US 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 /14:1193 /15:2126 /16:13699 /17:8303 /18:13324 /19:25466 /20:45759 /21:52578 /22:113479 /23:108916 /24:669093 /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 7044 12842 AS8151 - UNINET, MX 12479 5998 7068 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3500 3719 SHAW - Shaw Communications, CA 11492 3463 4575 CABLEONE - CABLE ONE, INC., US 22773 3053 4775 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2824 3871 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2800 15430 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2205 2548 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) ---------------------------------------------- 1:2533 2:2039 3:1026 4:5 5:5263 6:204 7:6 8:1428 9:75 11:172 12:1116 13:764 14:2720 15:474 16:443 17:447 18:949 20:616 21:4 22:188 23:8393 24:2776 25:2 27:2813 28:1 29:19 31:3807 32:36 34:87 35:287 36:4796 37:4438 38:10088 39:1317 40:444 41:4552 42:2186 43:3246 44:466 45:19841 46:4967 47:456 48:168 49:2322 50:2001 51:900 52:1359 54:305 55:1180 56:11 57:320 58:2748 59:1482 60:1176 61:3133 62:3156 63:1694 64:6458 65:2146 66:6066 67:3313 68:1265 69:4085 70:1046 71:617 72:3229 74:3072 75:1502 76:594 77:2884 78:2117 79:1804 80:2341 81:2300 82:4325 83:1476 84:2210 85:3870 86:1092 87:2756 88:1319 89:4753 90:782 91:8453 92:2769 93:3021 94:4662 95:4684 96:1444 97:310 98:934 99:866 100:69 101:1465 102:4710 103:32375 104:5607 105:861 106:905 107:2933 108:1303 109:3897 110:2283 111:4144 112:3103 113:1984 114:2509 115:2331 116:2087 117:3599 118:3062 119:2044 120:2744 121:1648 122:3008 123:2222 124:1914 125:2988 126:158 128:1615 129:985 130:1705 131:2483 132:891 133:488 134:1745 135:634 136:1503 137:1573 138:3422 139:1805 140:1862 141:1717 142:2590 143:2081 144:1817 145:663 146:2190 147:2271 148:2816 149:3306 150:1363 151:2955 152:2383 153:1848 154:10029 155:2357 156:4555 157:2438 158:1595 159:2884 160:3886 161:2033 162:4133 163:2632 164:2400 165:2782 166:1282 167:2364 168:4149 169:881 170:5590 171:1143 172:4908 173:3469 174:891 175:1362 176:3969 177:5277 178:4554 179:2460 180:3389 181:4629 182:4048 183:2877 184:2047 185:21881 186:6486 187:5475 188:4829 189:4613 190:9951 191:1775 192:11790 193:9638 194:7886 195:5867 196:3433 197:3152 198:6297 199:6116 200:8374 201:6573 202:10655 203:10667 204:4785 205:3789 206:4457 207:4062 208:4349 209:5462 210:4768 211:2691 212:5143 213:4104 214:1040 215:47 216:7293 217:3711 218:1772 219:409 220:2214 221:1329 222:941 223:3582 End of report