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 26 Nov, 2022 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: 933088 Prefixes after maximum aggregation (per Origin AS): 346027 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 442930 Number of IPv4 prefixes with a valid ROA: 382484 Number of IPv4 prefixes with an invalid ROA: 2829 Number of IPv4 prefixes with no ROA: 547775 Total ASes present in the Internet Routing Table: 73823 Prefixes per ASN: 12.64 Origin-only ASes present in the Internet Routing Table: 63753 Origin ASes announcing only one prefix: 25536 Transit ASes present in the Internet Routing Table: 10070 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 72 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 999 Number of instances of unregistered ASNs: 1001 Number of 32-bit ASNs allocated by the RIRs: 40725 Number of 32-bit ASNs visible in the Routing Table: 33756 Prefixes from 32-bit ASNs in the Routing Table: 171619 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 522 Number of addresses announced to Internet: 3062976768 Equivalent to 182 /8s, 145 /16s and 81 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 322390 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236274 Total APNIC prefixes after maximum aggregation: 67751 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 231199 Unique aggregates announced from the APNIC address blocks: 97410 APNIC Region origin ASes present in the Internet Routing Table: 13073 APNIC Prefixes per ASN: 17.69 APNIC Region origin ASes announcing only one prefix: 3789 APNIC Region transit ASes present in the Internet Routing Table: 1724 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8359 Number of APNIC addresses announced to Internet: 773303040 Equivalent to 46 /8s, 23 /16s and 171 /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, 131072-151865 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: 268877 Total ARIN prefixes after maximum aggregation: 121814 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 270497 Unique aggregates announced from the ARIN address blocks: 129390 ARIN Region origin ASes present in the Internet Routing Table: 19057 ARIN Prefixes per ASN: 14.19 ARIN Region origin ASes announcing only one prefix: 6992 ARIN Region transit ASes present in the Internet Routing Table: 1829 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 38 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4682 Number of ARIN addresses announced to Internet: 1288777984 Equivalent to 76 /8s, 209 /16s and 49 /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: 266326 Total RIPE prefixes after maximum aggregation: 121703 RIPE Deaggregation factor: 2.19 Prefixes being announced from the RIPE address blocks: 262851 Unique aggregates announced from the RIPE address blocks: 154884 RIPE Region origin ASes present in the Internet Routing Table: 28177 RIPE Prefixes per ASN: 9.33 RIPE Region origin ASes announcing only one prefix: 11953 RIPE Region transit ASes present in the Internet Routing Table: 3811 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10908 Number of RIPE addresses announced to Internet: 716409856 Equivalent to 42 /8s, 179 /16s and 140 /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: 127851 Total LACNIC prefixes after maximum aggregation: 28246 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 127121 Unique aggregates announced from the LACNIC address blocks: 48886 LACNIC Region origin ASes present in the Internet Routing Table: 11005 LACNIC Prefixes per ASN: 11.55 LACNIC Region origin ASes announcing only one prefix: 2243 LACNIC Region transit ASes present in the Internet Routing Table: 2236 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8765 Number of LACNIC addresses announced to Internet: 175919616 Equivalent to 10 /8s, 124 /16s and 82 /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: 32761 Total AfriNIC prefixes after maximum aggregation: 5754 AfriNIC Deaggregation factor: 5.69 Prefixes being announced from the AfriNIC address blocks: 40898 Unique aggregates announced from the AfriNIC address blocks: 11925 AfriNIC Region origin ASes present in the Internet Routing Table: 1718 AfriNIC Prefixes per ASN: 23.81 AfriNIC Region origin ASes announcing only one prefix: 559 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1042 Number of AfriNIC addresses announced to Internet: 108273408 Equivalent to 6 /8s, 116 /16s and 31 /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 9130 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5948 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3624 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3527 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1874 89 VNPT-AS-VN VNPT Corp, VN 9498 2557 499 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2301 849 417 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2293 11251 597 KIXS-AS-KR Korea Telecom, KR 45090 2180 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2161 440 215 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 7650 10621 2894 AMAZON-02, US 11492 4579 303 539 CABLEONE, US 7155 3966 265 32 VIASAT-SP-BACKBONE, US 22773 3733 3062 329 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3582 1872 2567 AKAMAI-AS, US 6327 3524 1320 63 SHAW, CA 749 3065 50661 2332 DNIC-AS-00749, US 7018 2593 24060 1557 ATT-INTERNET4, US 30036 2589 369 312 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2564 3482 359 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 6952 1730 145 UNI2-AS, ES 9121 6137 1692 17 TTNET, TR 20940 4107 3400 179 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2926 2290 911 ROSTELECOM-AS, RU 47331 2812 421 2108 TTNET, TR 9009 2654 253 1362 M247, RO 34984 2246 357 610 TELLCOM-AS, TR 6849 2203 339 20 UKRTELNET, 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 10891 3350 599 Uninet S.A. de C.V., MX 10620 3458 506 849 Telmex Colombia S.A., CO 11830 2302 369 64 Instituto Costarricense de Electricidad 13999 2126 348 550 Mega Cable, S.A. de C.V., MX 28573 1331 2327 262 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1149 369 22 Telefonica del Peru S.A.A., PE 11664 1131 183 478 Techtel LMDS Comunicaciones Interactiva 26615 988 2466 43 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 37457 1888 326 57 Telkom-Internet, ZA 24835 1545 537 31 RAYA-AS, EG 24863 1539 393 21 LINKdotNET-AS, EG 36992 1355 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1009 67 39 ORANGE-COTE-IVOIRE, CI 36935 879 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 506 52 36 WANANCHI-, KE 36914 484 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 10891 3350 599 Uninet S.A. de C.V., MX 9808 9130 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7650 10621 2894 AMAZON-02, US 12479 6952 1730 145 UNI2-AS, ES 9121 6137 1692 17 TTNET, TR 7545 5948 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4579 303 539 CABLEONE, US 20940 4107 3400 179 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3981 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9130 9083 CHINAMOBILE-CN China Mobile Communications Grou 12479 6952 6807 UNI2-AS, ES 9121 6137 6120 TTNET, TR 7545 5948 5253 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7650 4756 AMAZON-02, US 11492 4579 4040 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3981 3943 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3966 3934 VIASAT-SP-BACKBONE, US 20940 4107 3928 AKAMAI-ASN1, NL 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 1103 SURFNET-NL SURFnet, The Netherlands, NL 198.51.100.0/24 29766 CHSPSC-29766, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.184.0/24 Origin: 174 COGENT-174, US 23.131.184.0/24 Transit: 16637 MTNNS-AS, ZA 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 16637 MTNNS-AS, ZA 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 16637 MTNNS-AS, ZA 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 16637 MTNNS-AS, ZA 23.131.188.0/24 Origin: 46450 PILOT, US 23.131.188.0/24 Transit: 6939 HURRICANE, 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 /9:13 /10:38 /11:100 /12:296 /13:586 /14:1204 /15:2102 /16:13596 /17:8372 /18:14050 /19:25152 /20:43952 /21:53078 /22:111143 /23:101210 /24:558180 /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 5983 6952 UNI2-AS, ES 9121 5337 6137 TTNET, TR 8151 4836 10891 Uninet S.A. de C.V., MX 11492 3485 4579 CABLEONE, US 8551 3445 3981 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3524 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 3055 3966 VIASAT-SP-BACKBONE, US 22773 2753 3733 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2411 2812 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1860 2:1041 3:166 4:5 5:4249 6:118 7:5 8:1587 9:1 11:173 12:1613 13:380 14:2371 15:286 16:73 17:365 18:383 20:243 21:4 22:188 23:6034 24:2517 25:6 27:2785 29:19 31:2512 32:103 34:8 35:94 36:1835 37:4566 38:3889 39:773 40:154 41:4439 42:1184 43:2316 44:304 45:17633 46:4196 47:379 49:1723 50:1944 51:245 52:1507 54:398 55:844 56:8 57:87 58:1784 59:1107 60:1007 61:2468 62:2654 63:1963 64:5679 65:2353 66:4942 67:3041 68:1411 69:4202 70:1293 71:696 72:3062 74:2664 75:1480 76:598 77:2370 78:4040 79:3158 80:2071 81:1858 82:1507 83:1230 84:1514 85:3790 86:748 87:2025 88:2848 89:3525 90:575 91:7725 92:2000 93:2592 94:3608 95:4858 96:1338 97:349 98:1178 99:740 100:69 101:1288 102:2799 103:30704 104:4569 105:1985 106:826 107:2531 108:927 109:4344 110:2010 111:3276 112:2044 113:1547 114:1617 115:2168 116:1891 117:2483 118:2338 119:1862 120:1699 121:1061 122:2613 123:2164 124:1531 125:2160 128:1266 129:1031 130:978 131:2214 132:844 133:401 134:1913 135:338 136:880 137:922 138:2840 139:1522 140:1050 141:1489 142:1415 143:1489 144:1206 145:353 146:1891 147:1520 148:2271 149:1847 150:879 151:1147 152:1957 153:539 154:3875 155:1408 156:1645 157:1296 158:1043 159:2235 160:2666 161:1432 162:3549 163:1474 164:1726 165:1699 166:837 167:1734 168:4135 169:939 170:4969 171:861 172:3528 173:3135 174:1032 175:1202 176:3669 177:6047 178:3580 179:2585 180:2365 181:3421 182:3202 183:1902 184:2354 185:20113 186:5100 187:4514 188:4161 189:3838 190:9195 191:1820 192:11025 193:8808 194:7273 195:5182 196:3220 197:2789 198:6002 199:6123 200:8060 201:6053 202:10395 203:10272 204:4601 205:3463 206:3815 207:3364 208:4130 209:4840 210:4228 211:2411 212:4083 213:3557 214:1101 215:57 216:6602 217:2720 218:1267 219:409 220:2045 221:954 222:660 223:2013 End of report