This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from RENU's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 18:40 GMT Sat 08 Feb, 2025 IPv4 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 991456 Prefixes after maximum aggregation (per Origin AS): 372303 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 474027 Number of IPv4 prefixes with a valid ROA: 539763 Number of IPv4 prefixes with an invalid ROA: 596 Number of IPv4 prefixes with no ROA: 451094 Total ASes present in the Internet Routing Table: 76531 Prefixes per ASN: 12.95 Origin-only ASes present in the Internet Routing Table: 65848 Origin ASes announcing only one prefix: 26475 Transit ASes present in the Internet Routing Table: 10683 Transit-only ASes present in the Internet Routing Table: 521 Paths with bogon ASNs present in the IPv4 Routing Table: 40 Average AS path length visible in the Internet Routing Table: 7.2 Max AS path length visible: 58 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1092 Number of instances of unregistered ASNs: 1099 Number of 32-bit ASNs allocated by the RIRs: 46088 Number of 32-bit ASNs visible in the Routing Table: 37769 Prefixes from 32-bit ASNs in the Routing Table: 204283 Number of bogon 32-bit ASNs visible in the Routing Table: 40 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3112126976 Equivalent to 185 /8s, 127 /16s and 74 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 327155 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 257087 Total APNIC prefixes after maximum aggregation: 76271 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 248558 Unique aggregates announced from the APNIC address blocks: 102559 APNIC Region origin ASes present in the Internet Routing Table: 14443 APNIC Prefixes per ASN: 17.21 APNIC Region origin ASes announcing only one prefix: 4413 APNIC Region transit ASes present in the Internet Routing Table: 1890 Average APNIC Region AS path length visible: 7.4 Max APNIC Region AS path length visible: 42 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9964 Number of APNIC addresses announced to Internet: 753316864 Equivalent to 44 /8s, 230 /16s and 180 /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, 131072-153913 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: 289437 Total ARIN prefixes after maximum aggregation: 127286 ARIN Deaggregation factor: 2.27 Prefixes being announced from the ARIN address blocks: 291123 Unique aggregates announced from the ARIN address blocks: 134976 ARIN Region origin ASes present in the Internet Routing Table: 19186 ARIN Prefixes per ASN: 15.17 ARIN Region origin ASes announcing only one prefix: 7016 ARIN Region transit ASes present in the Internet Routing Table: 1922 Average ARIN Region AS path length visible: 6.9 Max ARIN Region AS path length visible: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5132 Number of ARIN addresses announced to Internet: 1343435264 Equivalent to 80 /8s, 19 /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, 393216-402332 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: 274683 Total RIPE prefixes after maximum aggregation: 132020 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 271757 Unique aggregates announced from the RIPE address blocks: 171851 RIPE Region origin ASes present in the Internet Routing Table: 28877 RIPE Prefixes per ASN: 9.41 RIPE Region origin ASes announcing only one prefix: 12045 RIPE Region transit ASes present in the Internet Routing Table: 3884 Average RIPE Region AS path length visible: 6.9 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12262 Number of RIPE addresses announced to Internet: 732568576 Equivalent to 43 /8s, 170 /16s and 28 /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 196608-216475 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: 131851 Total LACNIC prefixes after maximum aggregation: 29147 LACNIC Deaggregation factor: 4.52 Prefixes being announced from the LACNIC address blocks: 128971 Unique aggregates announced from the LACNIC address blocks: 48847 LACNIC Region origin ASes present in the Internet Routing Table: 11207 LACNIC Prefixes per ASN: 11.51 LACNIC Region origin ASes announcing only one prefix: 2346 LACNIC Region transit ASes present in the Internet Routing Table: 2459 Average LACNIC Region AS path length visible: 7.7 Max LACNIC Region AS path length visible: 58 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9139 Number of LACNIC addresses announced to Internet: 177871616 Equivalent to 10 /8s, 154 /16s and 27 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 37306 Total AfriNIC prefixes after maximum aggregation: 6894 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 50534 Unique aggregates announced from the AfriNIC address blocks: 15379 AfriNIC Region origin ASes present in the Internet Routing Table: 1911 AfriNIC Prefixes per ASN: 26.44 AfriNIC Region origin ASes announcing only one prefix: 655 AfriNIC Region transit ASes present in the Internet Routing Table: 375 Average AfriNIC Region AS path length visible: 6.8 Max AfriNIC Region AS path length visible: 39 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1272 Number of AfriNIC addresses announced to Internet: 104669952 Equivalent to 6 /8s, 61 /16s and 35 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 10333 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6206 843 661 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4203 529 271 BBIL-AP BHARTI Airtel Ltd., IN 7552 3918 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3672 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3256 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2840 854 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2198 434 189 TATACOMM-AS TATA Communications formerly 45090 2171 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 12732 38946 3725 AMAZON-02, US 174 5518 8758 882 COGENT-174, US 11492 4698 312 553 CABLEONE, US 7155 4180 287 86 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3381 3033 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 3011 1296 2194 AKAMAI-AS, US 396982 2921 3659 446 GOOGLE-CLOUD-PLATFORM, US 30036 2581 359 276 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7740 1713 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3972 3395 127 AKAMAI-ASN1, NL 9009 3736 321 1916 M247, RO 12389 2986 2302 891 ROSTELECOM-AS, RU 34984 2369 361 580 TELLCOM-AS, TR 212238 1919 139 1414 CDNEXT, GB 8452 1614 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1485 98 745 CLOUVIDER Clouvider - Global ASN, GB Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11752 3224 604 UNINET, MX 10620 3543 492 951 Telmex Colombia S.A., CO 13999 2512 539 366 Mega Cable, S.A. de C.V., MX 11830 1991 369 64 Instituto Costarricense de Electricidad y 28573 1335 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1160 278 33 Techtel LMDS Comunicaciones Interactivas 6503 1134 374 163 Axtel, S.A.B. de C.V., MX 28202 1130 52 9 Rede Brasileira de Comunicacao SA, BR 6147 1088 371 22 Telefonica del Peru S.A.A., PE Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1682 601 30 RAYA-AS, EG 24863 1645 389 16 LINKdotNET-AS, EG 29571 1538 97 99 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 20011 1288 199 339 INTERNET-SOLUTIONS, ZA 36903 1249 554 96 MT-MPLS, MA 36935 1002 521 42 Vodafone-, EG 37069 843 1083 15 MOBINIL, EG 37457 587 316 32 Telkom-Internet, ZA 6713 556 1861 35 IAM-AS, MA Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 12732 38946 3725 AMAZON-02, US 8151 11752 3224 604 UNINET, MX 9808 10333 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7740 1713 145 UNI2-AS, ES 7545 6206 843 661 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5518 8758 882 COGENT-174, US 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4698 312 553 CABLEONE, US 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4203 529 271 BBIL-AP BHARTI Airtel Ltd., IN Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 11752 11148 UNINET, MX 9808 10333 10246 CHINAMOBILE-CN China Mobile Communications Grou 12479 7740 7595 UNI2-AS, ES 7545 6206 5545 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 174 5518 4636 COGENT-174, US 18403 4239 4214 FPT-AS-AP FPT Telecom Company, VN 11492 4698 4145 CABLEONE, US 7155 4180 4094 VIASAT-SP-BACKBONE, US 9498 4203 3932 BBIL-AP BHARTI Airtel Ltd., IN Complete listing at https://bgp.nsrc.org/REN/RENU/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 46559 UNALLOCATED 8.3.52.0/23 3257 GTT-BACKBONE GTT, US 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 23.133.205.0/24 Origin: 23506 TMW, US 23.133.205.0/24 Transit: 215828 TMW-GLOBAL-NETWORKS TMW Global Networks, 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:16 /10:42 /11:93 /12:307 /13:586 /14:1228 /15:2180 /16:14001 /17:8339 /18:13886 /19:24749 /20:44431 /21:52731 /22:113362 /23:104633 /24:610856 /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 12479 6701 7740 UNI2-AS, ES 8151 5934 11752 UNINET, MX 11492 3555 4698 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3622 SHAW, CA 7155 3128 4180 VIASAT-SP-BACKBONE, US 22773 2516 3381 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2265 12732 AMAZON-02, US 30036 2241 2581 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2183 3543 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2300 2:1519 3:570 4:9 5:4817 6:165 7:6 8:1548 9:1 11:172 12:1383 13:352 14:2502 15:347 16:270 17:357 18:916 20:458 21:4 22:188 23:7309 24:2775 25:2 27:2738 29:19 31:3155 32:46 34:81 35:200 36:2415 37:4631 38:9890 39:896 40:152 41:4448 42:1924 43:2530 44:350 45:19041 46:4992 47:292 49:1994 50:1888 51:589 52:1573 54:306 55:1097 56:9 57:250 58:2227 59:1180 60:1164 61:3003 62:3009 63:1835 64:5530 65:2218 66:4699 67:3065 68:1119 69:4038 70:1118 71:616 72:2922 74:2809 75:1643 76:628 77:2733 78:1860 79:1704 80:2233 81:2073 82:2299 83:1424 84:1799 85:3310 86:1016 87:2442 88:1296 89:4330 90:755 91:8424 92:2803 93:2878 94:3938 95:4201 96:1293 97:308 98:974 99:736 100:70 101:1376 102:4114 103:32369 104:4680 105:1225 106:1016 107:2608 108:1198 109:4114 110:2209 111:3386 112:2051 113:1806 114:1944 115:2239 116:2073 117:2737 118:2763 119:1964 120:1875 121:1355 122:2765 123:2278 124:1576 125:2873 126:94 128:1596 129:1024 130:1298 131:1935 132:788 133:450 134:1529 135:367 136:1344 137:1101 138:3044 139:1583 140:1547 141:1486 142:1845 143:1641 144:1039 145:467 146:2149 147:2061 148:2608 149:2923 150:1197 151:1654 152:2171 153:574 154:8196 155:1622 156:3586 157:1882 158:1257 159:2421 160:3607 161:1893 162:3671 163:1809 164:1723 165:2193 166:1356 167:1897 168:4226 169:803 170:5263 171:1000 172:4309 173:3264 174:918 175:1286 176:3646 177:5529 178:3829 179:2397 180:2589 181:4109 182:3367 183:2014 184:2269 185:21666 186:5399 187:4692 188:4237 189:4376 190:9798 191:1946 192:11168 193:9419 194:7802 195:5584 196:3525 197:3785 198:6111 199:8318 200:8316 201:6415 202:10504 203:10665 204:4551 205:3639 206:4633 207:3483 208:4204 209:5152 210:4567 211:2523 212:4547 213:3793 214:1054 215:42 216:6596 217:3175 218:1353 219:388 220:2112 221:1056 222:713 223:2311 End of report