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 03 Aug, 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: 967984 Prefixes after maximum aggregation (per Origin AS): 362987 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 464361 Number of IPv4 prefixes with a valid ROA: 501240 Number of IPv4 prefixes with an invalid ROA: 958 Number of IPv4 prefixes with no ROA: 465786 Total ASes present in the Internet Routing Table: 75964 Prefixes per ASN: 12.74 Origin-only ASes present in the Internet Routing Table: 65136 Origin ASes announcing only one prefix: 26343 Transit ASes present in the Internet Routing Table: 10828 Transit-only ASes present in the Internet Routing Table: 525 Paths with bogon ASNs present in the IPv4 Routing Table: 146 Average AS path length visible in the Internet Routing Table: 5.2 Max AS path length visible: 88 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 1016 Number of instances of unregistered ASNs: 1030 Number of 32-bit ASNs allocated by the RIRs: 45089 Number of 32-bit ASNs visible in the Routing Table: 36818 Prefixes from 32-bit ASNs in the Routing Table: 195177 Number of bogon 32-bit ASNs visible in the Routing Table: 49 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 535 Number of addresses announced to Internet: 3026377728 Equivalent to 180 /8s, 98 /16s and 220 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 320694 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251863 Total APNIC prefixes after maximum aggregation: 74051 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 243726 Unique aggregates announced from the APNIC address blocks: 101817 APNIC Region origin ASes present in the Internet Routing Table: 14228 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4337 APNIC Region transit ASes present in the Internet Routing Table: 1889 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9680 Number of APNIC addresses announced to Internet: 761857024 Equivalent to 45 /8s, 105 /16s and 4 /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: 281685 Total ARIN prefixes after maximum aggregation: 125357 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 286408 Unique aggregates announced from the ARIN address blocks: 134838 ARIN Region origin ASes present in the Internet Routing Table: 19090 ARIN Prefixes per ASN: 15.00 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1949 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4943 Number of ARIN addresses announced to Internet: 1266700032 Equivalent to 75 /8s, 128 /16s and 79 /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: 269529 Total RIPE prefixes after maximum aggregation: 128074 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 264903 Unique aggregates announced from the RIPE address blocks: 165655 RIPE Region origin ASes present in the Internet Routing Table: 28725 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12117 RIPE Region transit ASes present in the Internet Routing Table: 3950 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11938 Number of RIPE addresses announced to Internet: 714608640 Equivalent to 42 /8s, 152 /16s and 16 /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: 130100 Total LACNIC prefixes after maximum aggregation: 28510 LACNIC Deaggregation factor: 4.56 Prefixes being announced from the LACNIC address blocks: 127891 Unique aggregates announced from the LACNIC address blocks: 47811 LACNIC Region origin ASes present in the Internet Routing Table: 11128 LACNIC Prefixes per ASN: 11.49 LACNIC Region origin ASes announcing only one prefix: 2298 LACNIC Region transit ASes present in the Internet Routing Table: 2487 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9026 Number of LACNIC addresses announced to Internet: 178052096 Equivalent to 10 /8s, 156 /16s and 220 /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: 33791 Total AfriNIC prefixes after maximum aggregation: 6335 AfriNIC Deaggregation factor: 5.33 Prefixes being announced from the AfriNIC address blocks: 44521 Unique aggregates announced from the AfriNIC address blocks: 13810 AfriNIC Region origin ASes present in the Internet Routing Table: 1870 AfriNIC Prefixes per ASN: 23.81 AfriNIC Region origin ASes announcing only one prefix: 637 AfriNIC Region transit ASes present in the Internet Routing Table: 366 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 88 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1231 Number of AfriNIC addresses announced to Internet: 104868608 Equivalent to 6 /8s, 64 /16s and 43 /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 9860 8745 73 CHINAMOBILE-CN China Mobile Communication 7545 5662 840 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4233 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3956 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3796 511 265 BBIL-AP BHARTI Airtel Ltd., IN 7713 3637 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3244 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2818 860 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2178 433 196 TATACOMM-AS TATA Communications formerly 45090 2152 1438 79 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 10382 11576 3702 AMAZON-02, US 174 5716 8786 883 COGENT-174, US 11492 4624 307 545 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 6327 3595 1320 79 SHAW, CA 22773 3422 3035 188 ASN-CXA-ALL-CCI-22773-RDC, US 749 3258 54898 2510 DNIC-AS-00749, US 16625 3091 1339 2210 AKAMAI-AS, US 7018 2966 23679 1861 ATT-INTERNET4, US 396982 2761 3584 408 GOOGLE-CLOUD-PLATFORM, 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 7711 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3882 3396 130 AKAMAI-ASN1, NL 9009 3579 305 1845 M247, RO 12389 2863 2291 858 ROSTELECOM-AS, RU 34984 2333 361 585 TELLCOM-AS, TR 8551 1781 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1746 125 1277 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1578 1852 14 TE-AS TE-AS, EG 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 11842 3290 519 UNINET, MX 10620 3531 493 934 Telmex Colombia S.A., CO 13999 2553 619 38 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1315 768 202 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1126 314 483 Axtel, S.A.B. de C.V., MX 28202 1115 52 9 Rede Brasileira de Comunicacao SA, BR 26615 1076 2503 53 TIM SA, BR 22884 1065 97 368 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 24863 1615 389 16 LINKdotNET-AS, EG 24835 1555 593 29 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1303 83 76 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 937 521 42 Vodafone-, EG 37457 559 310 36 Telkom-Internet, ZA 6713 556 1861 35 IAM-AS, MA 36914 541 82 3 KENET-AS, KE 15399 518 56 52 WANANCHI-, 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 11842 3290 519 UNINET, MX 16509 10382 11576 3702 AMAZON-02, US 9808 9860 8745 73 CHINAMOBILE-CN China Mobile Communication 12479 7711 1708 145 UNI2-AS, ES 174 5716 8786 883 COGENT-174, US 7545 5662 840 662 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4624 307 545 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4233 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 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 9860 9787 CHINAMOBILE-CN China Mobile Communications Grou 12479 7711 7566 UNI2-AS, ES 16509 10382 6680 AMAZON-02, US 7545 5662 5000 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5716 4833 COGENT-174, US 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4233 4210 FPT-AS-AP FPT Telecom Company, VN 11492 4624 4079 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3956 3935 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 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-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 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /10:37 /11:92 /12:294 /13:577 /14:1183 /15:2106 /16:13244 /17:8294 /18:13860 /19:24673 /20:43867 /21:52158 /22:112281 /23:103445 /24:591841 /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 6797 7711 UNI2-AS, ES 8151 5930 11842 UNINET, MX 11492 3535 4624 CABLEONE, US 6327 3392 3595 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2559 3422 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2160 3531 Telmex Colombia S.A., CO 30036 2160 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2145 10382 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2279 2:1509 3:393 4:6 5:4675 6:163 7:6 8:1515 9:1 11:172 12:1433 13:367 14:2349 15:324 16:241 17:364 18:822 20:408 21:4 22:188 23:6950 24:3077 25:2 27:2633 29:19 31:2653 32:53 34:68 35:135 36:2351 37:4526 38:9394 39:918 40:147 41:4322 42:2007 43:2437 44:334 45:18130 46:4624 47:300 49:1980 50:1858 51:583 52:1581 54:319 55:947 56:8 57:225 58:2160 59:1203 60:1059 61:2860 62:2834 63:1866 64:5586 65:2294 66:4734 67:3049 68:1346 69:4047 70:1321 71:564 72:2927 74:2625 75:1595 76:613 77:2628 78:1865 79:1796 80:2193 81:2040 82:1680 83:1370 84:1698 85:3179 86:938 87:2290 88:1304 89:4219 90:698 91:8295 92:2356 93:2731 94:3780 95:4225 96:1278 97:317 98:1042 99:739 100:73 101:1163 102:3603 103:32357 104:4780 105:1079 106:999 107:2505 108:1166 109:4078 110:2118 111:3217 112:2062 113:1820 114:1822 115:2104 116:1962 117:2646 118:2729 119:1999 120:1800 121:1305 122:2723 123:2301 124:1577 125:2834 126:64 128:1396 129:1006 130:1211 131:1938 132:825 133:415 134:1719 135:351 136:1132 137:1070 138:3046 139:1524 140:1424 141:1397 142:1684 143:1660 144:1015 145:363 146:2124 147:2021 148:2564 149:2829 150:1040 151:1338 152:2258 153:591 154:6739 155:1438 156:2349 157:1925 158:1148 159:2429 160:2939 161:1716 162:3548 163:1728 164:1704 165:2158 166:1262 167:1854 168:4218 169:816 170:5159 171:1033 172:3904 173:3101 174:899 175:1265 176:3514 177:5420 178:3686 179:2371 180:2431 181:3863 182:3329 183:1960 184:2266 185:21155 186:5330 187:4686 188:4219 189:4340 190:9656 191:1972 192:11048 193:9238 194:7554 195:5413 196:3462 197:2761 198:5975 199:8030 200:8519 201:6380 202:10383 203:10486 204:4571 205:3655 206:4466 207:3544 208:4167 209:5030 210:4578 211:2538 212:4410 213:3687 214:1065 215:49 216:6777 217:3018 218:1347 219:431 220:1804 221:1037 222:696 223:2221 End of report