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 07 Sep, 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: 971676 Prefixes after maximum aggregation (per Origin AS): 364713 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 464255 Number of IPv4 prefixes with a valid ROA: 508325 Number of IPv4 prefixes with an invalid ROA: 885 Number of IPv4 prefixes with no ROA: 462466 Total ASes present in the Internet Routing Table: 76098 Prefixes per ASN: 12.77 Origin-only ASes present in the Internet Routing Table: 65340 Origin ASes announcing only one prefix: 26413 Transit ASes present in the Internet Routing Table: 10758 Transit-only ASes present in the Internet Routing Table: 511 Paths with bogon ASNs present in the IPv4 Routing Table: 82 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 69 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1025 Number of instances of unregistered ASNs: 1032 Number of 32-bit ASNs allocated by the RIRs: 45328 Number of 32-bit ASNs visible in the Routing Table: 37020 Prefixes from 32-bit ASNs in the Routing Table: 197440 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 608 Number of addresses announced to Internet: 3034952448 Equivalent to 180 /8s, 229 /16s and 179 /24s Percentage of available address space announced: 82.0 Percentage of allocated address space announced: 82.0 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: 322706 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252692 Total APNIC prefixes after maximum aggregation: 74757 APNIC Deaggregation factor: 3.38 Prefixes being announced from the APNIC address blocks: 244427 Unique aggregates announced from the APNIC address blocks: 100715 APNIC Region origin ASes present in the Internet Routing Table: 14278 APNIC Prefixes per ASN: 17.12 APNIC Region origin ASes announcing only one prefix: 4336 APNIC Region transit ASes present in the Internet Routing Table: 1892 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 40 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9734 Number of APNIC addresses announced to Internet: 761386752 Equivalent to 45 /8s, 97 /16s and 215 /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: 282766 Total ARIN prefixes after maximum aggregation: 125916 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287139 Unique aggregates announced from the ARIN address blocks: 134822 ARIN Region origin ASes present in the Internet Routing Table: 19131 ARIN Prefixes per ASN: 15.01 ARIN Region origin ASes announcing only one prefix: 6979 ARIN Region transit ASes present in the Internet Routing Table: 1944 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4986 Number of ARIN addresses announced to Internet: 1266793216 Equivalent to 75 /8s, 129 /16s and 187 /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: 270281 Total RIPE prefixes after maximum aggregation: 128487 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 266083 Unique aggregates announced from the RIPE address blocks: 166634 RIPE Region origin ASes present in the Internet Routing Table: 28765 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12103 RIPE Region transit ASes present in the Internet Routing Table: 3925 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12005 Number of RIPE addresses announced to Internet: 723867136 Equivalent to 43 /8s, 37 /16s and 86 /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: 130599 Total LACNIC prefixes after maximum aggregation: 28404 LACNIC Deaggregation factor: 4.60 Prefixes being announced from the LACNIC address blocks: 128299 Unique aggregates announced from the LACNIC address blocks: 47328 LACNIC Region origin ASes present in the Internet Routing Table: 11147 LACNIC Prefixes per ASN: 11.51 LACNIC Region origin ASes announcing only one prefix: 2354 LACNIC Region transit ASes present in the Internet Routing Table: 2461 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9051 Number of LACNIC addresses announced to Internet: 178230528 Equivalent to 10 /8s, 159 /16s and 149 /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: 34313 Total AfriNIC prefixes after maximum aggregation: 6492 AfriNIC Deaggregation factor: 5.29 Prefixes being announced from the AfriNIC address blocks: 45120 Unique aggregates announced from the AfriNIC address blocks: 14260 AfriNIC Region origin ASes present in the Internet Routing Table: 1881 AfriNIC Prefixes per ASN: 23.99 AfriNIC Region origin ASes announcing only one prefix: 641 AfriNIC Region transit ASes present in the Internet Routing Table: 363 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 69 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1244 Number of AfriNIC addresses announced to Internet: 104357888 Equivalent to 6 /8s, 56 /16s and 96 /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 9894 8745 74 CHINAMOBILE-CN China Mobile Communication 7545 5707 837 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4157 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3916 1330 20 VIETEL-AS-AP Viettel Group, VN 9498 3766 507 259 BBIL-AP BHARTI Airtel Ltd., IN 7713 3642 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3254 1841 103 VNPT-AS-VN VNPT Corp, VN 24560 2796 835 464 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2194 434 192 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 10641 11797 3788 AMAZON-02, US 174 5847 8781 903 COGENT-174, US 11492 4639 308 547 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3602 1320 79 SHAW, CA 22773 3421 3035 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3242 54889 2494 DNIC-AS-00749, US 7018 3021 23680 1899 ATT-INTERNET4, US 16625 2900 1290 2155 AKAMAI-AS, US 396982 2804 3569 428 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 7661 1708 145 UNI2-AS, ES 39891 4466 269 55 ALJAWWALSTC-AS, SA 20940 3879 3395 127 AKAMAI-ASN1, NL 9009 3677 313 1860 M247, RO 12389 2861 2289 854 ROSTELECOM-AS, RU 34984 2332 359 584 TELLCOM-AS, TR 212238 1799 128 1325 CDNEXT, GB 8551 1776 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 13188 1607 100 26 TRIOLAN, UA 8452 1580 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 11777 3271 510 UNINET, MX 10620 3541 494 934 Telmex Colombia S.A., CO 13999 2547 629 22 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad y 28573 1337 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1316 774 204 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 28202 1152 52 9 Rede Brasileira de Comunicacao SA, BR 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 11664 1127 166 443 Techtel LMDS Comunicaciones Interactivas 6147 1103 369 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 1622 593 29 RAYA-AS, EG 24863 1609 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1335 85 69 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 932 521 42 Vodafone-, EG 20011 617 142 269 INTERNET-SOLUTIONS, ZA 6713 556 1861 35 IAM-AS, MA 36914 547 82 3 KENET-AS, KE 37457 542 310 36 Telkom-Internet, ZA 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 11777 3271 510 UNINET, MX 16509 10641 11797 3788 AMAZON-02, US 9808 9894 8745 74 CHINAMOBILE-CN China Mobile Communication 12479 7661 1708 145 UNI2-AS, ES 174 5847 8781 903 COGENT-174, US 7545 5707 837 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4639 308 547 CABLEONE, US 39891 4466 269 55 ALJAWWALSTC-AS, SA 7155 4169 287 89 VIASAT-SP-BACKBONE, US 18403 4157 347 23 FPT-AS-AP FPT Telecom Company, VN 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 9894 9820 CHINAMOBILE-CN China Mobile Communications Grou 12479 7661 7516 UNI2-AS, ES 16509 10641 6853 AMAZON-02, US 7545 5707 5048 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5847 4944 COGENT-174, US 39891 4466 4411 ALJAWWALSTC-AS, SA 18403 4157 4134 FPT-AS-AP FPT Telecom Company, VN 11492 4639 4092 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3916 3896 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 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 21949 BEANFIELD, CA 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 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 /11:93 /12:295 /13:582 /14:1187 /15:2115 /16:13297 /17:8276 /18:13881 /19:24659 /20:43863 /21:52118 /22:112600 /23:103804 /24:594837 /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 6717 7661 UNI2-AS, ES 8151 5881 11777 UNINET, MX 11492 3550 4639 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3356 4466 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2555 3421 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2170 3541 Telmex Colombia S.A., CO 30036 2163 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2139 10641 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2243 2:1531 3:456 4:6 5:4755 6:161 7:6 8:1516 9:2 11:172 12:1429 13:364 14:2373 15:324 16:259 17:361 18:875 20:415 21:4 22:188 23:6850 24:3064 25:2 27:2633 29:19 31:2713 32:53 34:69 35:138 36:2360 37:4554 38:9729 39:926 40:147 41:4333 42:1950 43:2450 44:334 45:18239 46:4671 47:299 49:1990 50:1883 51:583 52:1580 54:318 55:960 56:8 57:224 58:2176 59:1203 60:1063 61:2806 62:2850 63:1859 64:5617 65:2303 66:4752 67:3062 68:1338 69:4034 70:1312 71:572 72:2928 74:2690 75:1605 76:619 77:2669 78:1861 79:1810 80:2202 81:2044 82:1708 83:1370 84:1761 85:3201 86:981 87:2310 88:1309 89:4309 90:685 91:8316 92:2451 93:2748 94:3792 95:4296 96:1275 97:316 98:1063 99:736 100:73 101:1162 102:3718 103:32306 104:4399 105:1078 106:980 107:2379 108:1163 109:4112 110:2128 111:3282 112:2054 113:1802 114:1890 115:2152 116:1972 117:2673 118:2766 119:2026 120:1804 121:1364 122:2708 123:2172 124:1584 125:2829 126:64 128:1395 129:1022 130:1238 131:1921 132:827 133:428 134:1508 135:351 136:1208 137:1072 138:3036 139:1531 140:1453 141:1454 142:1740 143:1646 144:1008 145:371 146:2105 147:2034 148:2565 149:2878 150:1081 151:1359 152:2119 153:570 154:6751 155:1442 156:2466 157:1821 158:1184 159:2433 160:3130 161:1714 162:3567 163:1760 164:1711 165:2154 166:1304 167:1868 168:4191 169:812 170:5179 171:1036 172:3911 173:3113 174:902 175:1252 176:3509 177:5552 178:3635 179:2396 180:2466 181:3983 182:3324 183:1987 184:2263 185:21246 186:5356 187:4668 188:4221 189:4362 190:9739 191:1965 192:11055 193:9259 194:7585 195:5471 196:3486 197:3134 198:5969 199:8091 200:8455 201:6426 202:10335 203:10537 204:4603 205:3678 206:4518 207:3572 208:4192 209:5106 210:4553 211:2557 212:4444 213:3725 214:1061 215:49 216:6792 217:2982 218:1349 219:387 220:2030 221:1048 222:702 223:2232 End of report