IPv4 R&E Routing Table Report 21:35 GMT Sun 08 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: 1081546 Prefixes after maximum aggregation (per Origin AS): 417142 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 542085 Number of IPv4 prefixes with a valid ROA: 768443 Number of IPv4 prefixes with an invalid ROA: 218 Number of IPv4 prefixes with no ROA: 312885 Total ASes present in the Internet Routing Table: 79747 Prefixes per ASN: 13.56 Origin-only ASes present in the Internet Routing Table: 68248 Origin ASes announcing only one prefix: 28055 Transit ASes present in the Internet Routing Table: 11499 Transit-only ASes present in the Internet Routing Table: 632 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: 1229 Number of instances of unregistered ASNs: 1252 Number of 32-bit ASNs allocated by the RIRs: 52077 Number of 32-bit ASNs visible in the Routing Table: 42176 Prefixes from 32-bit ASNs in the Routing Table: 245326 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: 533 Number of addresses announced to Internet: 3126900480 Equivalent to 186 /8s, 96 /16s and 183 /24s Percentage of available address space announced: 84.5 Percentage of allocated address space announced: 84.5 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: 358364 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 292180 Total APNIC prefixes after maximum aggregation: 85634 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 277461 Unique aggregates announced from the APNIC address blocks: 110891 APNIC Region origin ASes present in the Internet Routing Table: 15450 APNIC Prefixes per ASN: 17.96 APNIC Region origin ASes announcing only one prefix: 4818 APNIC Region transit ASes present in the Internet Routing Table: 2084 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: 11069 Number of APNIC addresses announced to Internet: 749201920 Equivalent to 44 /8s, 167 /16s and 234 /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: 314803 Total ARIN prefixes after maximum aggregation: 140638 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 311689 Unique aggregates announced from the ARIN address blocks: 153353 ARIN Region origin ASes present in the Internet Routing Table: 19592 ARIN Prefixes per ASN: 15.91 ARIN Region origin ASes announcing only one prefix: 7252 ARIN Region transit ASes present in the Internet Routing Table: 1980 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: 5900 Number of ARIN addresses announced to Internet: 1355335168 Equivalent to 80 /8s, 200 /16s and 198 /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: 302032 Total RIPE prefixes after maximum aggregation: 150857 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 311237 Unique aggregates announced from the RIPE address blocks: 205854 RIPE Region origin ASes present in the Internet Routing Table: 30013 RIPE Prefixes per ASN: 10.37 RIPE Region origin ASes announcing only one prefix: 12438 RIPE Region transit ASes present in the Internet Routing Table: 4167 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 49 Number of RIPE region 32-bit ASNs visible in the Routing Table: 14102 Number of RIPE addresses announced to Internet: 751971584 Equivalent to 44 /8s, 210 /16s and 45 /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: 132517 Total LACNIC prefixes after maximum aggregation: 32019 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 125767 Unique aggregates announced from the LACNIC address blocks: 51810 LACNIC Region origin ASes present in the Internet Routing Table: 11556 LACNIC Prefixes per ASN: 10.88 LACNIC Region origin ASes announcing only one prefix: 2770 LACNIC Region transit ASes present in the Internet Routing Table: 2674 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 54 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9633 Number of LACNIC addresses announced to Internet: 167191552 Equivalent to 9 /8s, 247 /16s and 36 /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: 38785 Total AfriNIC prefixes after maximum aggregation: 7250 AfriNIC Deaggregation factor: 5.35 Prefixes being announced from the AfriNIC address blocks: 54858 Unique aggregates announced from the AfriNIC address blocks: 19729 AfriNIC Region origin ASes present in the Internet Routing Table: 2106 AfriNIC Prefixes per ASN: 26.05 AfriNIC Region origin ASes announcing only one prefix: 777 AfriNIC Region transit ASes present in the Internet Routing Table: 386 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: 1472 Number of AfriNIC addresses announced to Internet: 102909696 Equivalent to 6 /8s, 34 /16s and 71 /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 5135 562 340 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4701 347 24 FPT-VN - FPT Telecom Company, VN 17561 4691 294 571 LCS-AS-AP - LARUS Limited, HK 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 3434 1044 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3398 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 17261 42611 5608 AMAZON-02 - Amazon.com, Inc., US 11492 4654 309 1090 CABLEONE - CABLE ONE, INC., US 22773 4583 3270 488 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 7155 4337 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3847 1305 74 SHAW - Shaw Communications, CA 396982 3559 5382 607 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3319 246 1172 AS-COLOCROSSING - HostPapa, US 749 3131 54647 2382 DNIC-AS-00749 - United States Department 6079 2892 1135 1470 RCN-AS - RCN, US 7029 2873 2563 856 WINDSTREAM - Windstream Communications LL 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 6824 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4400 392 2667 M247 - M247 Europe SRL, RO 20940 3822 3388 105 AKAMAI-ASN1 - Akamai International B.V., 212238 3696 274 2803 CDNEXT - Datacamp Limited, GB 12389 3112 2330 873 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2526 155 30 KCELL-AS - Kcell JSC, KZ 34984 2509 369 592 TELLCOM-AS - Superonline Iletisim Hizmetl 25019 2051 1384 141 SAUDINETSTC-AS - Saudi Telecom Company JS 3257 1753 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 13100 3301 614 AS8151 - UNINET, MX 10620 3397 442 1122 AS10620 - Telmex Colombia S.A., CO 13999 2219 495 328 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1848 369 65 AS11830 - Instituto Costarricense de Elec 11664 1512 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1400 2433 268 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 1103 73 387 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 36992 1932 1543 326 ETISALAT MISR - ETISALAT MISR, EG 24835 1885 469 24 Vodafone Data - Vodafone Data, EG 24863 1460 389 20 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1389 606 122 Office National des Postes et Telecommuni 36935 1202 523 46 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 36873 545 141 39 Airtel Networks Limited - Airtel Networks 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 17261 42611 5608 AMAZON-02 - Amazon.com, Inc., US 9808 14022 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13100 3301 614 AS8151 - UNINET, MX 12479 6824 1711 150 UNI2-AS - Orange Espagne SA, ES 9498 5135 562 340 BBIL-AP - BHARTI Airtel Ltd., IN 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 18403 4701 347 24 FPT-VN - FPT Telecom Company, VN 17561 4691 294 571 LCS-AS-AP - LARUS Limited, HK 11492 4654 309 1090 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 13100 12486 AS8151 - UNINET, MX 12479 6824 6674 UNI2-AS - Orange Espagne SA, ES 39891 5044 4967 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5135 4795 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4701 4677 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 4691 4120 LCS-AS-AP - LARUS Limited, HK 22773 4583 4095 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 /14:1198 /15:2137 /16:13736 /17:8309 /18:13301 /19:25434 /20:45523 /21:53596 /22:113862 /23:111494 /24:691900 /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 7304 13100 AS8151 - UNINET, MX 12479 5744 6824 UNI2-AS - Orange Espagne SA, ES 39891 3727 5044 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3613 3847 SHAW - Shaw Communications, CA 11492 3521 4654 CABLEONE - CABLE ONE, INC., US 16509 3367 17261 AMAZON-02 - Amazon.com, Inc., US 7155 3268 4337 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 2712 4583 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 17561 2466 4691 LCS-AS-AP - LARUS Limited, HK 10620 2232 3397 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) ---------------------------------------------- 1:2741 2:2998 3:1264 4:6 5:5532 6:217 7:6 8:1495 9:536 11:172 12:1068 13:1279 14:2719 15:487 16:391 17:474 18:1059 20:619 21:4 22:188 23:8688 24:2812 25:2 26:2 27:2951 29:19 31:3997 32:33 34:94 35:315 36:4929 37:4469 38:10601 39:1453 40:452 41:4611 42:2265 43:3518 44:536 45:20070 46:5013 47:460 48:485 49:2388 50:2022 51:1128 52:1433 54:460 55:1106 56:11 57:347 58:2475 59:1373 60:1190 61:3313 62:3157 63:1661 64:6745 65:2215 66:5959 67:3227 68:1352 69:4062 70:1065 71:606 72:3298 74:3161 75:1744 76:595 77:2943 78:2196 79:2116 80:2444 81:2313 82:4408 83:1568 84:2138 85:3948 86:1149 87:3015 88:1357 89:4938 90:761 91:8575 92:2778 93:3057 94:4680 95:4773 96:1459 97:300 98:901 99:1128 100:129 101:1626 102:4811 103:32489 104:5817 105:965 106:975 107:3001 108:1468 109:4057 110:2236 111:4247 112:3231 113:1983 114:2645 115:2349 116:2091 117:3917 118:3045 119:2098 120:2848 121:2039 122:3064 123:2209 124:1691 125:2987 126:175 128:1598 129:1034 130:1796 131:2591 132:885 133:494 134:1864 135:695 136:1599 137:1635 138:3470 139:1835 140:1899 141:2016 142:2771 143:2370 144:1935 145:708 146:2275 147:2423 148:2918 149:3604 150:1456 151:3164 152:2581 153:2260 154:8905 155:2360 156:4282 157:2507 158:1671 159:2956 160:4220 161:2133 162:4287 163:2833 164:2494 165:2792 166:1264 167:2417 168:4290 169:1010 170:5637 171:1143 172:4930 173:3461 174:813 175:1433 176:4157 177:6867 178:4708 179:3347 180:3340 181:4784 182:4179 183:2905 184:2203 185:22061 186:6620 187:6958 188:4963 189:4905 190:10060 191:2365 192:12148 193:9624 194:7973 195:6012 196:3479 197:3468 198:6565 199:6163 200:8568 201:7024 202:10731 203:10729 204:4842 205:3798 206:4523 207:4076 208:4360 209:5462 210:4785 211:2739 212:5225 213:4150 214:1032 215:58 216:7332 217:3967 218:1927 219:415 220:2226 221:1443 222:980 223:3679 End of report