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 24 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: 971304 Prefixes after maximum aggregation (per Origin AS): 364436 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 467039 Number of IPv4 prefixes with a valid ROA: 507016 Number of IPv4 prefixes with an invalid ROA: 892 Number of IPv4 prefixes with no ROA: 463396 Total ASes present in the Internet Routing Table: 76045 Prefixes per ASN: 12.77 Origin-only ASes present in the Internet Routing Table: 65279 Origin ASes announcing only one prefix: 26391 Transit ASes present in the Internet Routing Table: 10766 Transit-only ASes present in the Internet Routing Table: 508 Paths with bogon ASNs present in the IPv4 Routing Table: 101 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 61 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1034 Number of instances of unregistered ASNs: 1042 Number of 32-bit ASNs allocated by the RIRs: 45237 Number of 32-bit ASNs visible in the Routing Table: 36938 Prefixes from 32-bit ASNs in the Routing Table: 197145 Number of bogon 32-bit ASNs visible in the Routing Table: 53 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 632 Number of addresses announced to Internet: 3033960448 Equivalent to 180 /8s, 214 /16s and 144 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 322641 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252616 Total APNIC prefixes after maximum aggregation: 74464 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 244486 Unique aggregates announced from the APNIC address blocks: 101990 APNIC Region origin ASes present in the Internet Routing Table: 14258 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4347 APNIC Region transit ASes present in the Internet Routing Table: 1886 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: 9709 Number of APNIC addresses announced to Internet: 761396224 Equivalent to 45 /8s, 97 /16s and 252 /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: 282055 Total ARIN prefixes after maximum aggregation: 125581 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 286470 Unique aggregates announced from the ARIN address blocks: 134431 ARIN Region origin ASes present in the Internet Routing Table: 19122 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 6977 ARIN Region transit ASes present in the Internet Routing Table: 1943 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4974 Number of ARIN addresses announced to Internet: 1266530048 Equivalent to 75 /8s, 125 /16s and 183 /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: 270253 Total RIPE prefixes after maximum aggregation: 128385 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 265737 Unique aggregates announced from the RIPE address blocks: 166286 RIPE Region origin ASes present in the Internet Routing Table: 28738 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12095 RIPE Region transit ASes present in the Internet Routing Table: 3931 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11966 Number of RIPE addresses announced to Internet: 723841536 Equivalent to 43 /8s, 36 /16s and 242 /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: 130959 Total LACNIC prefixes after maximum aggregation: 28851 LACNIC Deaggregation factor: 4.54 Prefixes being announced from the LACNIC address blocks: 128746 Unique aggregates announced from the LACNIC address blocks: 49528 LACNIC Region origin ASes present in the Internet Routing Table: 11148 LACNIC Prefixes per ASN: 11.55 LACNIC Region origin ASes announcing only one prefix: 2331 LACNIC Region transit ASes present in the Internet Routing Table: 2465 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 61 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9049 Number of LACNIC addresses announced to Internet: 177313792 Equivalent to 10 /8s, 145 /16s and 152 /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: 34387 Total AfriNIC prefixes after maximum aggregation: 6486 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 45233 Unique aggregates announced from the AfriNIC address blocks: 14281 AfriNIC Region origin ASes present in the Internet Routing Table: 1877 AfriNIC Prefixes per ASN: 24.10 AfriNIC Region origin ASes announcing only one prefix: 641 AfriNIC Region transit ASes present in the Internet Routing Table: 368 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1240 Number of AfriNIC addresses announced to Internet: 104549376 Equivalent to 6 /8s, 59 /16s and 76 /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 9898 8745 74 CHINAMOBILE-CN China Mobile Communication 7545 5701 842 660 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4301 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3958 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3765 508 258 BBIL-AP BHARTI Airtel Ltd., IN 7713 3647 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3247 1841 102 VNPT-AS-VN VNPT Corp, VN 24560 2775 821 482 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2194 434 192 TATACOMM-AS TATA Communications formerly 45090 2153 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 10517 11775 3766 AMAZON-02, US 174 5742 8781 896 COGENT-174, US 11492 4628 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 6327 3601 1320 79 SHAW, CA 22773 3421 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54897 2505 DNIC-AS-00749, US 16625 3003 1283 2149 AKAMAI-AS, US 7018 2959 23676 1863 ATT-INTERNET4, US 396982 2789 3568 417 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 7704 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3832 3396 129 AKAMAI-ASN1, NL 9009 3677 313 1861 M247, RO 12389 2862 2291 857 ROSTELECOM-AS, RU 34984 2330 359 584 TELLCOM-AS, TR 8551 1785 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1766 126 1297 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 11880 3291 512 UNINET, MX 10620 3536 493 930 Telmex Colombia S.A., CO 13999 2518 352 675 Mega Cable, S.A. de C.V., MX 11830 2008 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 777 205 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 28202 1116 52 9 Rede Brasileira de Comunicacao SA, BR 22884 1068 98 368 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1050 2503 53 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 1610 389 16 LINKdotNET-AS, EG 24835 1562 593 29 RAYA-AS, EG 36992 1409 1519 283 ETISALAT-MISR, EG 29571 1329 84 73 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 939 521 42 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 543 82 3 KENET-AS, KE 37457 542 310 36 Telkom-Internet, ZA 15399 515 56 51 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 11880 3291 512 UNINET, MX 16509 10517 11775 3766 AMAZON-02, US 9808 9898 8745 74 CHINAMOBILE-CN China Mobile Communication 12479 7704 1708 145 UNI2-AS, ES 174 5742 8781 896 COGENT-174, US 7545 5701 842 660 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4628 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4301 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 9898 9824 CHINAMOBILE-CN China Mobile Communications Grou 12479 7704 7559 UNI2-AS, ES 16509 10517 6751 AMAZON-02, US 7545 5701 5041 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5742 4846 COGENT-174, US 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4301 4278 FPT-AS-AP FPT Telecom Company, VN 11492 4628 4081 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3958 3936 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 23.130.240.0/24 Origin: 14315 1GSERVERS, US 23.130.240.0/24 Transit: 174 COGENT-174, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, 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 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 /12:294 /13:577 /14:1186 /15:2108 /16:13287 /17:8269 /18:13845 /19:24659 /20:43823 /21:52221 /22:112468 /23:103847 /24:594558 /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 6773 7704 UNI2-AS, ES 8151 5963 11880 UNINET, MX 11492 3539 4628 CABLEONE, US 6327 3397 3601 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2560 3421 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2165 3536 Telmex Colombia S.A., CO 30036 2155 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2132 10517 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2288 2:1516 3:439 4:6 5:4755 6:161 7:6 8:1517 9:2 11:172 12:1430 13:354 14:2360 15:327 16:259 17:363 18:862 20:411 21:4 22:188 23:6835 24:3079 25:2 27:2643 29:19 31:2696 32:53 34:69 35:138 36:2352 37:4549 38:9515 39:925 40:147 41:4349 42:2024 43:2439 44:333 45:18243 46:4691 47:300 49:2030 50:1864 51:583 52:1576 54:316 55:945 56:8 57:224 58:2169 59:1207 60:1062 61:2892 62:2847 63:1867 64:5628 65:2309 66:4756 67:3052 68:1344 69:4071 70:1317 71:570 72:2921 74:2666 75:1597 76:615 77:2646 78:1866 79:1785 80:2194 81:2056 82:1680 83:1373 84:1712 85:3201 86:963 87:2295 88:1306 89:4286 90:688 91:8318 92:2436 93:2729 94:3786 95:4231 96:1275 97:316 98:1049 99:733 100:73 101:1170 102:3874 103:32332 104:4506 105:1066 106:980 107:2381 108:1174 109:4111 110:2131 111:3280 112:2057 113:1811 114:1857 115:2170 116:1975 117:2668 118:2772 119:2008 120:1803 121:1356 122:2709 123:2297 124:1569 125:2837 126:64 128:1390 129:1023 130:1241 131:1954 132:822 133:428 134:1466 135:352 136:1143 137:1074 138:3044 139:1531 140:1450 141:1470 142:1665 143:1630 144:1003 145:369 146:2134 147:2025 148:2560 149:2874 150:1072 151:1358 152:2130 153:571 154:6840 155:1426 156:2413 157:1806 158:1183 159:2445 160:3086 161:1712 162:3568 163:1755 164:1707 165:2164 166:1277 167:1874 168:4237 169:819 170:5183 171:1035 172:3935 173:3109 174:902 175:1261 176:3524 177:5518 178:3681 179:2397 180:2466 181:3937 182:3338 183:1976 184:2265 185:21185 186:5464 187:4770 188:4223 189:4353 190:9682 191:1994 192:11071 193:9258 194:7567 195:5434 196:3499 197:3043 198:5975 199:8065 200:8494 201:6421 202:10346 203:10551 204:4580 205:3664 206:4520 207:3573 208:4186 209:5091 210:4554 211:2543 212:4443 213:3733 214:1061 215:48 216:6767 217:3014 218:1348 219:425 220:1802 221:1049 222:698 223:2234 End of report