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 12 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: 942810 Prefixes after maximum aggregation (per Origin AS): 351170 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 452001 Number of IPv4 prefixes with a valid ROA: 427441 Number of IPv4 prefixes with an invalid ROA: 1440 Number of IPv4 prefixes with no ROA: 513929 Total ASes present in the Internet Routing Table: 74666 Prefixes per ASN: 12.63 Origin-only ASes present in the Internet Routing Table: 64350 Origin ASes announcing only one prefix: 25900 Transit ASes present in the Internet Routing Table: 10316 Transit-only ASes present in the Internet Routing Table: 440 Paths with bogon ASNs present in the IPv4 Routing Table: 78 Average AS path length visible in the Internet Routing Table: 7.8 Max AS path length visible: 131 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1093 Number of instances of unregistered ASNs: 1095 Number of 32-bit ASNs allocated by the RIRs: 42421 Number of 32-bit ASNs visible in the Routing Table: 34933 Prefixes from 32-bit ASNs in the Routing Table: 178774 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 552 Number of addresses announced to Internet: 3052716032 Equivalent to 181 /8s, 244 /16s and 192 /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: 318486 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243340 Total APNIC prefixes after maximum aggregation: 69635 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 237040 Unique aggregates announced from the APNIC address blocks: 98527 APNIC Region origin ASes present in the Internet Routing Table: 13541 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3986 APNIC Region transit ASes present in the Internet Routing Table: 1793 Average APNIC Region AS path length visible: 7.9 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8890 Number of APNIC addresses announced to Internet: 772953600 Equivalent to 46 /8s, 18 /16s and 86 /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: 276150 Total ARIN prefixes after maximum aggregation: 123670 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 278533 Unique aggregates announced from the ARIN address blocks: 130821 ARIN Region origin ASes present in the Internet Routing Table: 19085 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6963 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: 1276397056 Equivalent to 76 /8s, 20 /16s and 70 /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: 263569 Total RIPE prefixes after maximum aggregation: 122667 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 260167 Unique aggregates announced from the RIPE address blocks: 159893 RIPE Region origin ASes present in the Internet Routing Table: 28421 RIPE Prefixes per ASN: 9.15 RIPE Region origin ASes announcing only one prefix: 12023 RIPE Region transit ASes present in the Internet Routing Table: 3831 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: 11303 Number of RIPE addresses announced to Internet: 716919552 Equivalent to 42 /8s, 187 /16s and 83 /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: 126182 Total LACNIC prefixes after maximum aggregation: 28519 LACNIC Deaggregation factor: 4.42 Prefixes being announced from the LACNIC address blocks: 125152 Unique aggregates announced from the LACNIC address blocks: 49776 LACNIC Region origin ASes present in the Internet Routing Table: 11000 LACNIC Prefixes per ASN: 11.38 LACNIC Region origin ASes announcing only one prefix: 2348 LACNIC Region transit ASes present in the Internet Routing Table: 2316 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: 8811 Number of LACNIC addresses announced to Internet: 178503936 Equivalent to 10 /8s, 163 /16s and 193 /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: 32476 Total AfriNIC prefixes after maximum aggregation: 5944 AfriNIC Deaggregation factor: 5.46 Prefixes being announced from the AfriNIC address blocks: 41366 Unique aggregates announced from the AfriNIC address blocks: 12527 AfriNIC Region origin ASes present in the Internet Routing Table: 1776 AfriNIC Prefixes per ASN: 23.29 AfriNIC Region origin ASes announcing only one prefix: 580 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 131 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1115 Number of AfriNIC addresses announced to Internet: 107549952 Equivalent to 6 /8s, 105 /16s and 21 /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 9521 8705 38 CHINAMOBILE-CN China Mobile Communicati 7545 5695 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3726 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3436 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3074 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2481 843 405 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2153 442 200 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 8817 10965 3182 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 174 3599 6654 603 COGENT-174, US 22773 3561 3054 297 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1319 66 SHAW, CA 749 3149 54961 2401 DNIC-AS-00749, US 16625 3055 1491 2303 AKAMAI-AS, US 367 2969 3822 1405 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 7339 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4060 3398 151 AKAMAI-ASN1, NL 8551 3456 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2294 913 ROSTELECOM-AS, RU 9009 2672 248 1394 M247, RO 34984 2317 362 602 TELLCOM-AS, TR 58224 1817 944 535 TCI, IR 13188 1607 100 26 TRIOLAN, UA 61317 1560 104 1216 ASDETUK www.heficed.com, US 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 11478 3358 606 UNINET, MX 10620 3530 507 839 Telmex Colombia S.A., CO 13999 2430 362 637 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad 28573 1314 2324 233 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 767 173 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 344 508 Axtel, S.A.B. de C.V., MX 6147 1123 370 22 Telefonica del Peru S.A.A., PE 28202 1122 52 9 Rede Brasileira de Comunicacao SA, BR 11664 1110 181 438 Techtel LMDS Comunicaciones Interactiva 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 1588 393 19 LINKdotNET-AS, EG 24835 1517 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 817 319 45 Telkom-Internet, ZA 6713 550 1861 34 IAM-AS, MA 15399 531 54 43 WANANCHI-, KE 36914 529 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 11478 3358 606 UNINET, MX 9808 9521 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8817 10965 3182 AMAZON-02, US 12479 7339 1713 145 UNI2-AS, ES 7545 5695 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4060 3398 151 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 9521 9483 CHINAMOBILE-CN China Mobile Communications Grou 12479 7339 7194 UNI2-AS, ES 16509 8817 5635 AMAZON-02, US 7545 5695 5008 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4239 4214 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4060 3909 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7552 3726 3705 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 46990 UNALLOCATED 8.5.242.0/23 174 COGENT-174, US 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 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 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 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 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 /12:295 /13:573 /14:1205 /15:2129 /16:13573 /17:8353 /18:14051 /19:25259 /20:44225 /21:52312 /22:111177 /23:102465 /24:567023 /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 6425 7339 UNI2-AS, ES 8151 5510 11478 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 2925 3456 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3561 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2088 3530 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) ---------------------------------------------- 1:2204 2:1347 3:229 4:5 5:4614 6:134 7:6 8:1543 9:1 11:172 12:1511 13:374 14:2303 15:302 16:198 17:371 18:593 20:284 21:4 22:188 23:6388 24:3029 25:6 27:2609 29:19 31:2557 32:85 34:25 35:116 36:1977 37:4635 38:6150 39:842 40:147 41:4513 42:2043 43:2354 44:322 45:17150 46:4369 47:384 49:1778 50:1869 51:585 52:1599 54:391 55:964 56:8 57:129 58:1892 59:1118 60:995 61:2570 62:2783 63:1929 64:5732 65:2329 66:5055 67:3042 68:1337 69:4120 70:1370 71:689 72:3046 74:2657 75:1608 76:617 77:2558 78:1847 79:2983 80:2141 81:1830 82:1509 83:1295 84:1534 85:3015 86:764 87:2080 88:1224 89:3871 90:619 91:7926 92:2063 93:2611 94:3572 95:4021 96:1296 97:319 98:1103 99:735 100:90 101:1316 102:3236 103:32101 104:4587 105:730 106:879 107:2556 108:1126 109:4290 110:2109 111:3139 112:2063 113:1758 114:1657 115:2064 116:1924 117:2536 118:2667 119:1978 120:1783 121:1100 122:2603 123:2172 124:1569 125:2474 128:1455 129:1115 130:1054 131:2052 132:857 133:422 134:1790 135:351 136:904 137:984 138:2781 139:1575 140:1250 141:1299 142:1478 143:1531 144:1001 145:343 146:1969 147:1621 148:2449 149:2170 150:893 151:1184 152:1996 153:584 154:4946 155:1387 156:1925 157:1330 158:1084 159:2230 160:2678 161:1575 162:3539 163:1599 164:1740 165:1895 166:976 167:1735 168:4031 169:945 170:4788 171:905 172:3634 173:2995 174:994 175:1203 176:3840 177:5432 178:3566 179:2412 180:2439 181:3539 182:3406 183:1980 184:2313 185:20732 186:4998 187:4511 188:4270 189:4001 190:9294 191:1840 192:10947 193:8987 194:7372 195:5244 196:3373 197:2776 198:5983 199:6099 200:8085 201:6063 202:10457 203:10178 204:4559 205:3655 206:4348 207:3467 208:4176 209:4950 210:4295 211:2456 212:4294 213:3617 214:1092 215:60 216:6767 217:2870 218:1284 219:420 220:1792 221:976 222:664 223:2164 End of report