This is an automated weekly mailing describing the state of the Global IPv4 Research & Education Routing Table received by NSRC's collector from Internet2'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 . Global R&E Routing Table Report 21:35 GMT Sat 27 Nov, 2021 BGP Table (Global) as seen at USP. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/USP/ Analysis Summary ---------------- BGP routing table entries examined: 881784 Prefixes after maximum aggregation (per Origin AS): 333226 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 421268 Total ASes present in the Internet Routing Table: 72432 Prefixes per ASN: 12.17 Origin-only ASes present in the Internet Routing Table: 62209 Origin ASes announcing only one prefix: 25644 Transit ASes present in the Internet Routing Table: 10223 Transit-only ASes present in the Internet Routing Table: 364 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 55 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1182 Number of instances of unregistered ASNs: 1186 Number of 32-bit ASNs allocated by the RIRs: 37923 Number of 32-bit ASNs visible in the Routing Table: 31509 Prefixes from 32-bit ASNs in the Routing Table: 145948 Number of bogon 32-bit ASNs visible in the Routing Table: 47 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 864 Number of addresses announced to Internet: 3072632064 Equivalent to 183 /8s, 36 /16s and 165 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 297617 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232166 Total APNIC prefixes after maximum aggregation: 64559 APNIC Deaggregation factor: 3.60 Prefixes being announced from the APNIC address blocks: 227666 Unique aggregates announced from the APNIC address blocks: 92774 APNIC Region origin ASes present in the Internet Routing Table: 12133 APNIC Prefixes per ASN: 18.76 APNIC Region origin ASes announcing only one prefix: 3460 APNIC Region transit ASes present in the Internet Routing Table: 1708 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7334 Number of APNIC addresses announced to Internet: 773731328 Equivalent to 46 /8s, 30 /16s and 52 /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: 256147 Total ARIN prefixes after maximum aggregation: 118138 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 255727 Unique aggregates announced from the ARIN address blocks: 121992 ARIN Region origin ASes present in the Internet Routing Table: 18946 ARIN Prefixes per ASN: 13.50 ARIN Region origin ASes announcing only one prefix: 6858 ARIN Region transit ASes present in the Internet Routing Table: 1940 Average ARIN Region AS path length visible: 5.2 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4230 Number of ARIN addresses announced to Internet: 1301353472 Equivalent to 77 /8s, 145 /16s and 20 /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: 251734 Total RIPE prefixes after maximum aggregation: 117557 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 247905 Unique aggregates announced from the RIPE address blocks: 146912 RIPE Region origin ASes present in the Internet Routing Table: 28167 RIPE Prefixes per ASN: 8.80 RIPE Region origin ASes announcing only one prefix: 12153 RIPE Region transit ASes present in the Internet Routing Table: 3933 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10560 Number of RIPE addresses announced to Internet: 712651520 Equivalent to 42 /8s, 122 /16s and 51 /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: 113362 Total LACNIC prefixes after maximum aggregation: 26941 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 114255 Unique aggregates announced from the LACNIC address blocks: 47573 LACNIC Region origin ASes present in the Internet Routing Table: 10806 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2625 LACNIC Region transit ASes present in the Internet Routing Table: 2145 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8481 Number of LACNIC addresses announced to Internet: 176427264 Equivalent to 10 /8s, 132 /16s and 17 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 27193 Total AfriNIC prefixes after maximum aggregation: 5263 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 35366 Unique aggregates announced from the AfriNIC address blocks: 11232 AfriNIC Region origin ASes present in the Internet Routing Table: 1574 AfriNIC Prefixes per ASN: 22.47 AfriNIC Region origin ASes announcing only one prefix: 548 AfriNIC Region transit ASes present in the Internet Routing Table: 315 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 37 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 904 Number of AfriNIC addresses announced to Internet: 107920896 Equivalent to 6 /8s, 110 /16s and 190 /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 8732 8995 48 CHINAMOBILE-CN China Mobile Communicati 7545 5854 787 677 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4625 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3594 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3494 1023 57 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3226 1896 54 VNPT-AS-VN VNPT Corp, VN 4766 2252 11374 575 KIXS-AS-KR Korea Telecom, KR 9498 2183 475 238 BBIL-AP BHARTI Airtel Ltd., IN 45090 2135 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2120 429 201 TATACOMM-AS TATA Communications formerl Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6013 10014 2584 AMAZON-02, US 11492 4592 304 825 CABLEONE, US 22773 4020 3068 374 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 16625 3683 1896 2560 AKAMAI-AS, US 6327 3389 1318 64 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2600 373 153 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2523 5043 433 CENTURYLINK-US-LEGACY-QWEST, US 20115 2243 3033 502 CHARTER-20115, US Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 47331 7926 1060 3421 TTNET, TR 12479 6866 1731 149 UNI2-AS, ES 20940 3919 3198 563 AKAMAI-ASN1, NL 8551 3450 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2905 2279 897 ROSTELECOM-AS, RU 9009 2566 263 1350 M247, GB 34984 2204 355 601 TELLCOM-AS, TR 58224 1759 918 579 TCI, IR 61317 1648 213 923 ASDETUK www.heficed.com, GB Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10650 3450 579 Uninet S.A. de C.V., MX 10620 3253 491 823 Telmex Colombia S.A., CO 11830 2469 369 62 Instituto Costarricense de Electricidad 13999 1613 285 457 Mega Cable, S.A. de C.V., MX 6503 1496 358 476 Axtel, S.A.B. de C.V., MX 28573 1372 2318 258 CLARO S.A., BR 3816 1240 651 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1139 2351 139 TIM SA, BR 6147 1088 369 21 Telefonica del Peru S.A.A., PE 11664 980 189 441 Techtel LMDS Comunicaciones Interactiva Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1617 393 21 LINKdotNET-AS, EG 24835 1553 507 33 RAYA-AS, EG 36992 1286 1430 268 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 826 68 11 ORANGE-COTE-IVOIRE, CI 36935 703 523 44 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 516 50 31 WANANCHI-, KE 37342 470 32 1 MOVITEL, MZ 23889 428 232 16 MauritiusTelecom, MU Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10650 3450 579 Uninet S.A. de C.V., MX 9808 8732 8995 48 CHINAMOBILE-CN China Mobile Communicati 47331 7926 1060 3421 TTNET, TR 12479 6866 1731 149 UNI2-AS, ES 16509 6013 10014 2584 AMAZON-02, US 7545 5854 787 677 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4625 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4592 304 825 CABLEONE, US 22773 4020 3068 374 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 8732 8684 CHINAMOBILE-CN China Mobile Communications Grou 12479 6866 6717 UNI2-AS, ES 7545 5854 5177 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4625 4552 ERX-CERNET-BKB China Education and Research Net 47331 7926 4505 TTNET, TR 7155 3950 3920 VIASAT-SP-BACKBONE, US 11492 4592 3767 CABLEONE, US 22773 4020 3646 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3594 3575 VIETEL-AS-AP Viettel Group, VN 7713 3494 3437 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID Complete listing at https://bgp.nsrc.org/REN/USP/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 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/USP/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 0.0.0.0/0 7575 AARNET-AS-AP Australian Academic and Research N 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/USP/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.162.0/24 Origin: 398968 GROUP-IID-01, US 23.252.162.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.163.0/24 Origin: 398968 GROUP-IID-01, US 23.252.163.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE Complete listing at https://bgp.nsrc.org/REN/USP/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:41 /11:99 /12:305 /13:597 /14:1211 /15:2078 /16:13564 /17:8287 /18:13929 /19:25264 /20:43278 /21:51893 /22:108267 /23:95241 /24:517700 /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 47331 7127 7926 TTNET, TR 12479 5813 6866 UNI2-AS, ES 8151 4447 10650 Uninet S.A. de C.V., MX 11492 3545 4592 CABLEONE, US 6327 3198 3389 SHAW, CA 7155 3040 3950 VIASAT-SP-BACKBONE, US 22773 2990 4020 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2914 3450 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2255 2600 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/USP/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1898 2:1039 3:146 4:18 5:3724 6:100 7:5 8:1527 9:1 11:172 12:1707 13:412 14:2276 15:132 16:32 17:374 18:130 20:142 21:4 22:188 23:5323 24:2370 25:4 27:2643 29:19 31:2373 32:104 34:1 35:48 36:1736 37:3914 38:2375 39:651 40:150 41:3893 42:1028 43:2097 44:290 45:15656 46:3788 47:323 49:1667 50:1883 51:104 52:1346 54:288 55:653 56:4 57:59 58:1790 59:1111 60:940 61:2253 62:2415 63:1947 64:5419 65:2347 66:4937 67:2921 68:1172 69:4141 70:1343 71:685 72:3091 74:2622 75:1502 76:710 77:2142 78:3819 79:2703 80:1876 81:1637 82:1405 83:1174 84:1299 85:3567 86:702 87:1895 88:2607 89:3149 90:490 91:7499 92:1891 93:2579 94:3231 95:4510 96:1294 97:347 98:982 99:911 100:75 101:1068 102:1820 103:27678 104:4102 105:426 106:846 107:2386 108:753 109:3999 110:2068 111:3098 112:1958 113:1474 114:1543 115:2121 116:1881 117:2487 118:2317 119:1892 120:1582 121:1074 122:2535 123:2173 124:1545 125:2057 128:1391 129:1110 130:914 131:2069 132:774 133:366 134:1920 135:284 136:784 137:1006 138:2463 139:1217 140:845 141:1311 142:1224 143:1352 144:1253 145:331 146:1693 147:1465 148:2262 149:1587 150:855 151:1090 152:1650 153:518 154:3308 155:1363 156:1840 157:1197 158:988 159:2026 160:2330 161:1276 162:3404 163:1184 164:1655 165:1517 166:603 167:1705 168:3639 169:688 170:4298 171:809 172:2853 173:3040 174:1004 175:1146 176:3419 177:4475 178:3010 179:1971 180:2342 181:2620 182:3125 183:1923 184:2413 185:19081 186:4263 187:3530 188:3659 189:3109 190:8840 191:1338 192:11014 193:8434 194:6900 195:4930 196:2902 197:2327 198:6011 199:6009 200:7440 201:5680 202:10597 203:10237 204:4499 205:3388 206:3819 207:3381 208:4008 209:4612 210:4257 211:2434 212:3864 213:3389 214:1158 215:64 216:6405 217:2611 218:1211 219:596 220:2059 221:990 222:855 223:2064 End of report