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 05 Aug, 2023 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: 942420 Prefixes after maximum aggregation (per Origin AS): 350924 Deaggregation factor: 2.69 Unique aggregates announced (without unneeded subnets): 451812 Number of IPv4 prefixes with a valid ROA: 426489 Number of IPv4 prefixes with an invalid ROA: 1473 Number of IPv4 prefixes with no ROA: 514458 Total ASes present in the Internet Routing Table: 74613 Prefixes per ASN: 12.63 Origin-only ASes present in the Internet Routing Table: 64299 Origin ASes announcing only one prefix: 25891 Transit ASes present in the Internet Routing Table: 10314 Transit-only ASes present in the Internet Routing Table: 438 Paths with bogon ASNs present in the IPv4 Routing Table: 80 Average AS path length visible in the Internet Routing Table: 7.8 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1062 Number of instances of unregistered ASNs: 1064 Number of 32-bit ASNs allocated by the RIRs: 42384 Number of 32-bit ASNs visible in the Routing Table: 34891 Prefixes from 32-bit ASNs in the Routing Table: 178670 Number of bogon 32-bit ASNs visible in the Routing Table: 36 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 577 Number of addresses announced to Internet: 3053345024 Equivalent to 181 /8s, 254 /16s and 89 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 318691 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242962 Total APNIC prefixes after maximum aggregation: 69493 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 236708 Unique aggregates announced from the APNIC address blocks: 98475 APNIC Region origin ASes present in the Internet Routing Table: 13522 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3985 APNIC Region transit ASes present in the Internet Routing Table: 1783 Average APNIC Region AS path length visible: 8.0 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8868 Number of APNIC addresses announced to Internet: 772968192 Equivalent to 46 /8s, 18 /16s and 143 /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: 276202 Total ARIN prefixes after maximum aggregation: 123733 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 278617 Unique aggregates announced from the ARIN address blocks: 130867 ARIN Region origin ASes present in the Internet Routing Table: 19091 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1883 Average ARIN Region AS path length visible: 7.6 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4814 Number of ARIN addresses announced to Internet: 1277280256 Equivalent to 76 /8s, 33 /16s and 192 /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, 393216-401308 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: 263805 Total RIPE prefixes after maximum aggregation: 122590 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 260278 Unique aggregates announced from the RIPE address blocks: 159760 RIPE Region origin ASes present in the Internet Routing Table: 28396 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12020 RIPE Region transit ASes present in the Internet Routing Table: 3833 Average RIPE Region AS path length visible: 7.7 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11288 Number of RIPE addresses announced to Internet: 716587776 Equivalent to 42 /8s, 182 /16s and 67 /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 196608-213403 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: 126154 Total LACNIC prefixes after maximum aggregation: 28451 LACNIC Deaggregation factor: 4.43 Prefixes being announced from the LACNIC address blocks: 125144 Unique aggregates announced from the LACNIC address blocks: 49714 LACNIC Region origin ASes present in the Internet Routing Table: 11001 LACNIC Prefixes per ASN: 11.38 LACNIC Region origin ASes announcing only one prefix: 2339 LACNIC Region transit ASes present in the Internet Routing Table: 2330 Average LACNIC Region AS path length visible: 8.5 Max LACNIC Region AS path length visible: 59 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8807 Number of LACNIC addresses announced to Internet: 178520064 Equivalent to 10 /8s, 164 /16s and 0 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 32235 Total AfriNIC prefixes after maximum aggregation: 5932 AfriNIC Deaggregation factor: 5.43 Prefixes being announced from the AfriNIC address blocks: 41096 Unique aggregates announced from the AfriNIC address blocks: 12513 AfriNIC Region origin ASes present in the Internet Routing Table: 1768 AfriNIC Prefixes per ASN: 23.24 AfriNIC Region origin ASes announcing only one prefix: 579 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1114 Number of AfriNIC addresses announced to Internet: 107601152 Equivalent to 6 /8s, 105 /16s and 221 /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 9522 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5690 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3711 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3561 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3356 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3062 498 249 BBIL-AP BHARTI Airtel Ltd., IN 24560 2472 839 431 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2307 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2152 441 199 TATACOMM-AS TATA Communications formerl 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 8833 10940 3150 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 174 3594 6655 610 COGENT-174, US 22773 3558 3054 292 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3049 1495 2304 AKAMAI-AS, US 367 2950 3811 1386 DNIC-ASBLK-00306-00371, US 396982 2683 3596 387 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 7325 1707 142 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4056 3398 154 AKAMAI-ASN1, NL 8551 3453 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2294 913 ROSTELECOM-AS, RU 9009 2663 247 1389 M247, RO 34984 2317 362 602 TELLCOM-AS, TR 58224 1816 944 535 TCI, IR 6849 1637 307 17 UKRTELNET, UA 13188 1607 100 26 TRIOLAN, UA 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 11612 3372 606 UNINET, MX 10620 3534 507 832 Telmex Colombia S.A., CO 13999 2415 361 630 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1315 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 344 510 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1122 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 48 TIM SA, BR 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 1585 393 19 LINKdotNET-AS, EG 24835 1495 533 27 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 37457 811 319 45 Telkom-Internet, ZA 6713 550 1861 34 IAM-AS, MA 36914 524 82 3 KENET-AS, KE 15399 523 54 43 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 11612 3372 606 UNINET, MX 9808 9522 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8833 10940 3150 AMAZON-02, US 12479 7325 1707 142 UNI2-AS, ES 7545 5690 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4240 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4056 3398 154 AKAMAI-ASN1, NL 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 9522 9485 CHINAMOBILE-CN China Mobile Communications Grou 12479 7325 7183 UNI2-AS, ES 16509 8833 5683 AMAZON-02, US 7545 5690 5002 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4240 4215 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4056 3902 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7552 3711 3690 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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 6461 ZAYO-6461, 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 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /10:38 /11:102 /12:296 /13:573 /14:1206 /15:2130 /16:13559 /17:8321 /18:14026 /19:25186 /20:44193 /21:52344 /22:111092 /23:102387 /24:566937 /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 6414 7325 UNI2-AS, ES 8151 5611 11612 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3527 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2922 3453 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3558 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2165 2507 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2093 3534 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) ---------------------------------------------- 1:2181 2:1342 3:230 4:5 5:4584 6:134 7:6 8:1543 9:1 11:172 12:1519 13:383 14:2293 15:302 16:197 17:375 18:596 20:279 21:4 22:188 23:6359 24:3028 25:6 27:2604 29:19 31:2551 32:83 34:25 35:113 36:1984 37:4684 38:6166 39:837 40:147 41:4478 42:2023 43:2341 44:315 45:17200 46:4394 47:384 49:1777 50:1881 51:585 52:1594 54:391 55:951 56:8 57:129 58:1893 59:1119 60:993 61:2551 62:2780 63:1934 64:5726 65:2333 66:5056 67:3082 68:1335 69:4122 70:1371 71:689 72:3052 74:2659 75:1612 76:616 77:2569 78:1900 79:2975 80:2140 81:1832 82:1509 83:1302 84:1530 85:3007 86:763 87:2098 88:1222 89:3888 90:618 91:7928 92:2063 93:2593 94:3639 95:4056 96:1299 97:318 98:1166 99:735 100:94 101:1317 102:3146 103:32026 104:4601 105:727 106:878 107:2550 108:1107 109:4288 110:2112 111:3128 112:2065 113:1751 114:1658 115:2067 116:1903 117:2558 118:2673 119:1973 120:1785 121:1093 122:2602 123:2169 124:1569 125:2475 128:1468 129:1118 130:1055 131:2039 132:849 133:422 134:1792 135:350 136:902 137:971 138:2767 139:1568 140:1244 141:1293 142:1463 143:1542 144:998 145:343 146:1972 147:1617 148:2442 149:2240 150:893 151:1173 152:1998 153:580 154:4901 155:1382 156:1884 157:1330 158:1079 159:2224 160:2683 161:1571 162:3537 163:1590 164:1744 165:1911 166:989 167:1734 168:4025 169:947 170:4809 171:900 172:3637 173:2996 174:1049 175:1200 176:3804 177:5445 178:3621 179:2399 180:2433 181:3528 182:3405 183:1974 184:2315 185:20718 186:5004 187:4459 188:4255 189:4060 190:9284 191:1774 192:10943 193:8975 194:7351 195:5245 196:3354 197:2767 198:5981 199:6107 200:8075 201:6085 202:10451 203:10219 204:4576 205:3625 206:4359 207:3468 208:4168 209:4962 210:4293 211:2455 212:4286 213:3628 214:1084 215:59 216:6791 217:2860 218:1284 219:420 220:1790 221:971 222:666 223:2161 End of report