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 18:35 GMT Sat 18 May, 2024 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: 964262 Prefixes after maximum aggregation (per Origin AS): 361043 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 462012 Number of IPv4 prefixes with a valid ROA: 485006 Number of IPv4 prefixes with an invalid ROA: 951 Number of IPv4 prefixes with no ROA: 478305 Total ASes present in the Internet Routing Table: 75793 Prefixes per ASN: 12.72 Origin-only ASes present in the Internet Routing Table: 65239 Origin ASes announcing only one prefix: 26310 Transit ASes present in the Internet Routing Table: 10554 Transit-only ASes present in the Internet Routing Table: 519 Paths with bogon ASNs present in the IPv4 Routing Table: 213 Average AS path length visible in the Internet Routing Table: 8.1 Max AS path length visible: 64 Max AS path prepend of ASN ( 53153) 57 Prefixes from unregistered ASNs in the Routing Table: 1167 Number of instances of unregistered ASNs: 1171 Number of 32-bit ASNs allocated by the RIRs: 44478 Number of 32-bit ASNs visible in the Routing Table: 36441 Prefixes from 32-bit ASNs in the Routing Table: 190622 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 706 Number of addresses announced to Internet: 3028208896 Equivalent to 180 /8s, 126 /16s and 205 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 321512 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250582 Total APNIC prefixes after maximum aggregation: 73175 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 242782 Unique aggregates announced from the APNIC address blocks: 101131 APNIC Region origin ASes present in the Internet Routing Table: 14102 APNIC Prefixes per ASN: 17.22 APNIC Region origin ASes announcing only one prefix: 4295 APNIC Region transit ASes present in the Internet Routing Table: 1842 Average APNIC Region AS path length visible: 8.3 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9535 Number of APNIC addresses announced to Internet: 761505536 Equivalent to 45 /8s, 99 /16s and 167 /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: 280146 Total ARIN prefixes after maximum aggregation: 124839 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 284816 Unique aggregates announced from the ARIN address blocks: 133716 ARIN Region origin ASes present in the Internet Routing Table: 19137 ARIN Prefixes per ASN: 14.88 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1915 Average ARIN Region AS path length visible: 7.8 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4901 Number of ARIN addresses announced to Internet: 1267702272 Equivalent to 75 /8s, 143 /16s and 154 /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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 269474 Total RIPE prefixes after maximum aggregation: 126999 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 264338 Unique aggregates announced from the RIPE address blocks: 164034 RIPE Region origin ASes present in the Internet Routing Table: 28685 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12106 RIPE Region transit ASes present in the Internet Routing Table: 3867 Average RIPE Region AS path length visible: 7.9 Max RIPE Region AS path length visible: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11816 Number of RIPE addresses announced to Internet: 714504960 Equivalent to 42 /8s, 150 /16s and 123 /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, 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: 129437 Total LACNIC prefixes after maximum aggregation: 29067 LACNIC Deaggregation factor: 4.45 Prefixes being announced from the LACNIC address blocks: 127553 Unique aggregates announced from the LACNIC address blocks: 49503 LACNIC Region origin ASes present in the Internet Routing Table: 11071 LACNIC Prefixes per ASN: 11.52 LACNIC Region origin ASes announcing only one prefix: 2310 LACNIC Region transit ASes present in the Internet Routing Table: 2418 Average LACNIC Region AS path length visible: 8.6 Max LACNIC Region AS path length visible: 64 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8975 Number of LACNIC addresses announced to Internet: 176956160 Equivalent to 10 /8s, 140 /16s and 35 /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: 33456 Total AfriNIC prefixes after maximum aggregation: 6215 AfriNIC Deaggregation factor: 5.38 Prefixes being announced from the AfriNIC address blocks: 44067 Unique aggregates announced from the AfriNIC address blocks: 13126 AfriNIC Region origin ASes present in the Internet Routing Table: 1849 AfriNIC Prefixes per ASN: 23.83 AfriNIC Region origin ASes announcing only one prefix: 630 AfriNIC Region transit ASes present in the Internet Routing Table: 355 Average AfriNIC Region AS path length visible: 7.4 Max AfriNIC Region AS path length visible: 49 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1214 Number of AfriNIC addresses announced to Internet: 107131136 Equivalent to 6 /8s, 98 /16s and 177 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9925 8914 111 CHINAMOBILE-CN China Mobile Communicati 7545 5637 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4410 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3909 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3731 507 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3603 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3289 1872 100 VNPT-AS-VN VNPT Corp, VN 24560 2792 863 377 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2187 433 195 TATACOMM-AS TATA Communications formerl 45090 2153 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9918 11375 3548 AMAZON-02, US 174 5459 8782 873 COGENT-174, US 11492 4616 306 604 CABLEONE, US 7155 4167 287 89 VIASAT-SP-BACKBONE, US 6327 3597 1320 79 SHAW, CA 22773 3490 3041 234 ASN-CXA-ALL-CCI-22773-RDC, US 749 3224 54904 2476 DNIC-AS-00749, US 16625 3140 1341 2244 AKAMAI-AS, US 7018 2827 23659 1784 ATT-INTERNET4, US 367 2787 3441 1311 DNIC-ASBLK-00306-00371, 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 7766 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3872 3396 129 AKAMAI-ASN1, NL 9009 3355 292 1657 M247, RO 12389 2866 2291 855 ROSTELECOM-AS, RU 8551 2637 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2345 362 581 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 212238 1586 114 1154 CDNEXT, GB 44477 1547 101 729 STARK-INDUSTRIES, 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 12203 3321 493 UNINET, MX 10620 3511 492 939 Telmex Colombia S.A., CO 13999 2540 353 663 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad 28573 1350 2314 252 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 789 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 19429 1233 216 21 ETB - Colombia, CO 11664 1182 176 442 Techtel LMDS Comunicaciones Interactiva 28202 1128 52 9 Rede Brasileira de Comunicacao SA, BR 6503 1125 314 478 Axtel, S.A.B. de C.V., MX 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 1549 545 28 RAYA-AS, EG 24863 1502 389 20 LINKdotNET-AS, EG 36992 1373 1519 282 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1199 77 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 37457 560 314 37 Telkom-Internet, ZA 6713 557 1861 35 IAM-AS, MA 15399 547 56 52 WANANCHI-, KE 36914 542 82 3 KENET-AS, KE 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 8151 12203 3321 493 UNINET, MX 9808 9925 8914 111 CHINAMOBILE-CN China Mobile Communicati 16509 9918 11375 3548 AMAZON-02, US 12479 7766 1708 145 UNI2-AS, ES 7545 5637 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5459 8782 873 COGENT-174, US 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4616 306 604 CABLEONE, US 18403 4410 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4167 287 89 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9925 9814 CHINAMOBILE-CN China Mobile Communications Grou 12479 7766 7621 UNI2-AS, ES 16509 9918 6370 AMAZON-02, US 7545 5637 4964 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 174 5459 4586 COGENT-174, US 18403 4410 4387 FPT-AS-AP FPT Telecom Company, VN 7155 4167 4078 VIASAT-SP-BACKBONE, US 11492 4616 4012 CABLEONE, US 7552 3909 3888 VIETEL-AS-AP Viettel Group, VN 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 46559 UNALLOCATED 8.3.52.0/23 3257 GTT-BACKBONE GTT, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.147.240.0/24 Origin: 398208 RESERVED, ZZ 23.147.240.0/24 Transit: 19930 EQUINIX-EC-CH, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /9:14 /10:36 /11:94 /12:298 /13:578 /14:1189 /15:2103 /16:13338 /17:8271 /18:13887 /19:24732 /20:43844 /21:52091 /22:112401 /23:102888 /24:588482 /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 6862 7766 UNI2-AS, ES 8151 6228 12203 UNINET, MX 11492 3525 4616 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3393 3597 SHAW, CA 7155 3111 4167 VIASAT-SP-BACKBONE, US 22773 2586 3490 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2137 3511 Telmex Colombia S.A., CO 16509 2125 9918 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2269 2:1522 3:347 4:6 5:4640 6:164 7:6 8:1512 9:1 11:172 12:1454 13:360 14:2368 15:318 16:211 17:371 18:766 20:384 21:4 22:188 23:6784 24:3113 25:2 27:2625 29:19 31:2614 32:54 34:65 35:133 36:2303 37:4494 38:8666 39:897 40:122 41:4349 42:2166 43:2393 44:320 45:17627 46:4533 47:307 49:1954 50:1907 51:580 52:1579 54:313 55:998 56:5 57:187 58:2051 59:1196 60:1027 61:2674 62:2764 63:1907 64:5686 65:2365 66:4787 67:3029 68:1334 69:4146 70:1352 71:592 72:2936 74:2616 75:1595 76:615 77:2614 78:1866 79:2522 80:2216 81:2038 82:1613 83:1339 84:1654 85:3179 86:903 87:2254 88:1301 89:4128 90:679 91:8249 92:2304 93:2718 94:3770 95:4216 96:1284 97:316 98:1035 99:742 100:72 101:1169 102:3677 103:32704 104:4785 105:1060 106:947 107:2752 108:1155 109:4161 110:2128 111:3258 112:2070 113:1785 114:1794 115:2144 116:1896 117:2653 118:2727 119:1992 120:1767 121:1281 122:2709 123:2227 124:1583 125:2861 126:32 128:1455 129:1027 130:1175 131:1917 132:804 133:412 134:1732 135:364 136:1022 137:1049 138:2935 139:1546 140:1392 141:1347 142:1586 143:1543 144:996 145:365 146:2079 147:1928 148:2535 149:2803 150:1044 151:1333 152:2162 153:595 154:6768 155:1465 156:2296 157:1784 158:1150 159:2333 160:2716 161:1692 162:3580 163:1715 164:1669 165:2169 166:1170 167:1805 168:4035 169:813 170:5070 171:1026 172:3873 173:3067 174:891 175:1242 176:3736 177:5524 178:3741 179:2419 180:2391 181:3812 182:3399 183:1980 184:2269 185:21010 186:5311 187:4772 188:4197 189:4338 190:9704 191:1930 192:11015 193:9146 194:7567 195:5406 196:3408 197:2670 198:5979 199:7838 200:8277 201:6338 202:10347 203:10284 204:4596 205:3737 206:4469 207:3521 208:4169 209:5060 210:4482 211:2526 212:4361 213:3490 214:1068 215:49 216:6891 217:3076 218:1314 219:430 220:1815 221:1036 222:704 223:2232 End of report