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 25 Dec, 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: 885426 Prefixes after maximum aggregation (per Origin AS): 332720 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 424278 Total ASes present in the Internet Routing Table: 72562 Prefixes per ASN: 12.20 Origin-only ASes present in the Internet Routing Table: 62287 Origin ASes announcing only one prefix: 25670 Transit ASes present in the Internet Routing Table: 10275 Transit-only ASes present in the Internet Routing Table: 374 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: 1209 Number of instances of unregistered ASNs: 1211 Number of 32-bit ASNs allocated by the RIRs: 38184 Number of 32-bit ASNs visible in the Routing Table: 31718 Prefixes from 32-bit ASNs in the Routing Table: 147476 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 723 Number of addresses announced to Internet: 3072896000 Equivalent to 183 /8s, 40 /16s and 172 /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: 298798 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232885 Total APNIC prefixes after maximum aggregation: 64881 APNIC Deaggregation factor: 3.59 Prefixes being announced from the APNIC address blocks: 228030 Unique aggregates announced from the APNIC address blocks: 93433 APNIC Region origin ASes present in the Internet Routing Table: 12187 APNIC Prefixes per ASN: 18.71 APNIC Region origin ASes announcing only one prefix: 3466 APNIC Region transit ASes present in the Internet Routing Table: 1715 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7385 Number of APNIC addresses announced to Internet: 773110016 Equivalent to 46 /8s, 20 /16s and 185 /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: 257113 Total ARIN prefixes after maximum aggregation: 118429 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 256606 Unique aggregates announced from the ARIN address blocks: 122343 ARIN Region origin ASes present in the Internet Routing Table: 18925 ARIN Prefixes per ASN: 13.56 ARIN Region origin ASes announcing only one prefix: 6857 ARIN Region transit ASes present in the Internet Routing Table: 1924 Average ARIN Region AS path length visible: 5.1 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4263 Number of ARIN addresses announced to Internet: 1300917248 Equivalent to 77 /8s, 138 /16s and 108 /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: 253080 Total RIPE prefixes after maximum aggregation: 116110 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249601 Unique aggregates announced from the RIPE address blocks: 148387 RIPE Region origin ASes present in the Internet Routing Table: 28172 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12141 RIPE Region transit ASes present in the Internet Routing Table: 3937 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10598 Number of RIPE addresses announced to Internet: 713709824 Equivalent to 42 /8s, 138 /16s and 89 /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: 113704 Total LACNIC prefixes after maximum aggregation: 27237 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 114496 Unique aggregates announced from the LACNIC address blocks: 47773 LACNIC Region origin ASes present in the Internet Routing Table: 10876 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2656 LACNIC Region transit ASes present in the Internet Routing Table: 2195 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: 8557 Number of LACNIC addresses announced to Internet: 176306944 Equivalent to 10 /8s, 130 /16s and 59 /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: 27435 Total AfriNIC prefixes after maximum aggregation: 5286 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 35969 Unique aggregates announced from the AfriNIC address blocks: 11690 AfriNIC Region origin ASes present in the Internet Routing Table: 1583 AfriNIC Prefixes per ASN: 22.72 AfriNIC Region origin ASes announcing only one prefix: 550 AfriNIC Region transit ASes present in the Internet Routing Table: 320 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 915 Number of AfriNIC addresses announced to Internet: 108401152 Equivalent to 6 /8s, 118 /16s and 18 /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 8731 8995 48 CHINAMOBILE-CN China Mobile Communicati 7545 5832 786 675 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4651 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3601 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3480 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3236 1880 58 VNPT-AS-VN VNPT Corp, VN 4766 2234 11117 572 KIXS-AS-KR Korea Telecom, KR 9498 2211 475 235 BBIL-AP BHARTI Airtel Ltd., IN 45090 2136 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 429 203 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 6052 10130 2595 AMAZON-02, US 11492 4580 303 821 CABLEONE, US 22773 4036 3058 392 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 16625 3658 1885 2556 AKAMAI-AS, US 6327 3390 1318 64 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2603 374 146 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2522 5043 431 CENTURYLINK-US-LEGACY-QWEST, US 20115 2242 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 9121 6884 1692 17 TTNET, TR 12479 6843 1733 150 UNI2-AS, ES 20940 3851 3195 544 AKAMAI-ASN1, NL 8551 3559 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2922 2284 901 ROSTELECOM-AS, RU 9009 2563 264 1367 M247, GB 34984 2205 355 600 TELLCOM-AS, TR 58224 1772 922 577 TCI, IR 47331 1762 278 1337 TTNET, TR 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 10578 3451 584 Uninet S.A. de C.V., MX 10620 3263 491 836 Telmex Colombia S.A., CO 11830 2466 369 62 Instituto Costarricense de Electricidad 13999 1639 283 462 Mega Cable, S.A. de C.V., MX 6503 1441 355 523 Axtel, S.A.B. de C.V., MX 28573 1377 2324 256 CLARO S.A., BR 3816 1244 657 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1140 2350 138 TIM SA, BR 6147 1090 369 21 Telefonica del Peru S.A.A., PE 11664 994 191 443 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 1630 393 21 LINKdotNET-AS, EG 24835 1548 499 32 RAYA-AS, EG 36992 1294 1462 268 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 852 68 11 ORANGE-COTE-IVOIRE, CI 36935 682 521 39 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 517 50 33 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 10578 3451 584 Uninet S.A. de C.V., MX 9808 8731 8995 48 CHINAMOBILE-CN China Mobile Communicati 9121 6884 1692 17 TTNET, TR 12479 6843 1733 150 UNI2-AS, ES 16509 6052 10130 2595 AMAZON-02, US 7545 5832 786 675 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4651 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4580 303 821 CABLEONE, US 22773 4036 3058 392 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 8731 8683 CHINAMOBILE-CN China Mobile Communications Grou 9121 6884 6867 TTNET, TR 12479 6843 6693 UNI2-AS, ES 7545 5832 5157 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4651 4578 ERX-CERNET-BKB China Education and Research Net 7155 3950 3920 VIASAT-SP-BACKBONE, US 11492 4580 3759 CABLEONE, US 22773 4036 3644 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3601 3582 VIETEL-AS-AP Viettel Group, VN 8551 3559 3520 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 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/USP/data-spar 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 /12:304 /13:592 /14:1209 /15:2072 /16:13572 /17:8323 /18:13928 /19:25281 /20:43321 /21:52177 /22:108411 /23:95307 /24:520759 /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 9121 6024 6884 TTNET, TR 12479 5786 6843 UNI2-AS, ES 8151 4400 10578 Uninet S.A. de C.V., MX 11492 3533 4580 CABLEONE, US 6327 3199 3390 SHAW, CA 7155 3040 3950 VIASAT-SP-BACKBONE, US 8551 3023 3559 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 3003 4036 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2258 2603 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/USP/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1885 2:1148 3:148 4:18 5:3688 6:101 7:5 8:1531 9:1 11:172 12:1701 13:408 14:2307 15:135 16:35 17:373 18:130 20:143 21:4 22:188 23:5356 24:2355 25:4 27:2651 29:19 31:2432 32:103 34:1 35:49 36:1727 37:3915 38:2423 39:707 40:149 41:3907 42:1057 43:2124 44:296 45:16030 46:3849 47:302 49:1605 50:1906 51:106 52:1351 54:291 55:731 56:4 57:59 58:1798 59:1116 60:945 61:2251 62:2419 63:1944 64:5409 65:2328 66:4927 67:2944 68:1182 69:4159 70:1340 71:683 72:3062 74:2624 75:1505 76:711 77:2131 78:3825 79:2782 80:1914 81:1645 82:1413 83:1196 84:1319 85:3566 86:690 87:1909 88:2621 89:3131 90:495 91:7523 92:1889 93:2570 94:3276 95:4526 96:1292 97:344 98:987 99:878 100:75 101:1064 102:1881 103:27936 104:4083 105:453 106:846 107:2392 108:750 109:4053 110:2052 111:3116 112:1934 113:1445 114:1564 115:2124 116:1863 117:2497 118:2312 119:1894 120:1590 121:1039 122:2516 123:2161 124:1550 125:2059 128:1625 129:1144 130:900 131:2075 132:777 133:365 134:1928 135:282 136:844 137:1003 138:2466 139:1230 140:866 141:1321 142:1215 143:1407 144:1226 145:333 146:1754 147:1453 148:2237 149:1619 150:876 151:1081 152:1779 153:520 154:3599 155:1361 156:1875 157:1208 158:993 159:2007 160:2375 161:1281 162:3437 163:1193 164:1663 165:1544 166:616 167:1707 168:3651 169:688 170:4320 171:821 172:2920 173:3042 174:1005 175:1138 176:3432 177:4514 178:3017 179:2012 180:2349 181:2703 182:3156 183:1920 184:2414 185:19164 186:4269 187:3503 188:3721 189:3128 190:8917 191:1312 192:10994 193:8491 194:6948 195:4996 196:2892 197:2378 198:5994 199:5967 200:7444 201:5693 202:10555 203:10227 204:4509 205:3414 206:3813 207:3352 208:3999 209:4609 210:4252 211:2443 212:3918 213:3366 214:1149 215:64 216:6412 217:2631 218:1209 219:584 220:2062 221:986 222:847 223:2112 End of report