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 16 Apr, 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: 912763 Prefixes after maximum aggregation (per Origin AS): 337141 Deaggregation factor: 2.71 Unique aggregates announced (without unneeded subnets): 429925 Number of IPv4 prefixes with a valid ROA: 659416 Number of IPv4 prefixes with an invalid ROA: 5874 Number of IPv4 prefixes with no ROA: 1160236 Total ASes present in the Internet Routing Table: 73023 Prefixes per ASN: 12.50 Origin-only ASes present in the Internet Routing Table: 62846 Origin ASes announcing only one prefix: 25251 Transit ASes present in the Internet Routing Table: 10177 Transit-only ASes present in the Internet Routing Table: 357 Average AS path length visible in the Internet Routing Table: 6.0 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 918 Number of instances of unregistered ASNs: 921 Number of 32-bit ASNs allocated by the RIRs: 39122 Number of 32-bit ASNs visible in the Routing Table: 32504 Prefixes from 32-bit ASNs in the Routing Table: 159374 Number of bogon 32-bit ASNs visible in the Routing Table: 36 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 529 Number of addresses announced to Internet: 3067176192 Equivalent to 182 /8s, 209 /16s and 101 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 315035 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232262 Total APNIC prefixes after maximum aggregation: 66113 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 227094 Unique aggregates announced from the APNIC address blocks: 94597 APNIC Region origin ASes present in the Internet Routing Table: 12515 APNIC Prefixes per ASN: 18.15 APNIC Region origin ASes announcing only one prefix: 3542 APNIC Region transit ASes present in the Internet Routing Table: 1707 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7751 Number of APNIC addresses announced to Internet: 773579008 Equivalent to 46 /8s, 27 /16s and 225 /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: 262451 Total ARIN prefixes after maximum aggregation: 119827 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 262529 Unique aggregates announced from the ARIN address blocks: 124370 ARIN Region origin ASes present in the Internet Routing Table: 19019 ARIN Prefixes per ASN: 13.80 ARIN Region origin ASes announcing only one prefix: 6911 ARIN Region transit ASes present in the Internet Routing Table: 1909 Average ARIN Region AS path length visible: 5.8 Max ARIN Region AS path length visible: 40 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4447 Number of ARIN addresses announced to Internet: 1295393024 Equivalent to 77 /8s, 54 /16s and 33 /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: 260865 Total RIPE prefixes after maximum aggregation: 117433 RIPE Deaggregation factor: 2.22 Prefixes being announced from the RIPE address blocks: 258158 Unique aggregates announced from the RIPE address blocks: 150478 RIPE Region origin ASes present in the Internet Routing Table: 28149 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12002 RIPE Region transit ASes present in the Internet Routing Table: 3907 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10698 Number of RIPE addresses announced to Internet: 714302720 Equivalent to 42 /8s, 147 /16s and 101 /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: 124798 Total LACNIC prefixes after maximum aggregation: 27520 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 124597 Unique aggregates announced from the LACNIC address blocks: 48296 LACNIC Region origin ASes present in the Internet Routing Table: 10962 LACNIC Prefixes per ASN: 11.37 LACNIC Region origin ASes announcing only one prefix: 2268 LACNIC Region transit ASes present in the Internet Routing Table: 2187 Average LACNIC Region AS path length visible: 6.3 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8650 Number of LACNIC addresses announced to Internet: 176182528 Equivalent to 10 /8s, 128 /16s and 85 /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: 31469 Total AfriNIC prefixes after maximum aggregation: 5549 AfriNIC Deaggregation factor: 5.67 Prefixes being announced from the AfriNIC address blocks: 39856 Unique aggregates announced from the AfriNIC address blocks: 11748 AfriNIC Region origin ASes present in the Internet Routing Table: 1624 AfriNIC Prefixes per ASN: 24.54 AfriNIC Region origin ASes announcing only one prefix: 528 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 958 Number of AfriNIC addresses announced to Internet: 107413760 Equivalent to 6 /8s, 103 /16s and 1 /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 9212 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5909 789 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3607 1330 19 VIETEL-AS-AP Viettel Group, VN 45899 3510 1880 56 VNPT-AS-VN VNPT Corp, VN 7713 3499 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2397 491 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2165 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2116 429 197 TATACOMM-AS TATA Communications formerl 24560 2044 855 372 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6216 10270 2701 AMAZON-02, US 11492 4473 297 692 CABLEONE, US 22773 3925 3057 357 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3900 264 31 VIASAT-SP-BACKBONE, US 16625 3621 1856 2554 AKAMAI-AS, US 6327 3430 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2613 373 131 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2522 4962 423 CENTURYLINK-US-LEGACY-QWEST, US 20115 2254 3042 494 CHARTER-20115, 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 9121 6917 1692 17 TTNET, TR 12479 6823 1730 149 UNI2-AS, ES 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3923 3360 197 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2924 2273 906 ROSTELECOM-AS, RU 6849 2864 355 21 UKRTELNET, UA 9009 2460 245 1271 M247, GB 34984 2235 357 632 TELLCOM-AS, TR 47331 1885 294 1439 TTNET, TR 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 10551 3394 560 Uninet S.A. de C.V., MX 10620 3466 518 753 Telmex Colombia S.A., CO 11830 2430 369 63 Instituto Costarricense de Electricidad 13999 1736 294 473 Mega Cable, S.A. de C.V., MX 6503 1453 355 524 Axtel, S.A.B. de C.V., MX 28573 1385 2333 253 CLARO S.A., BR 3816 1255 667 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1086 369 21 Telefonica del Peru S.A.A., PE 11664 1006 190 446 Techtel LMDS Comunicaciones Interactiva 11172 960 133 63 Alestra, S. de R.L. de C.V., MX 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 1928 322 60 Telkom-Internet, ZA 24863 1647 393 21 LINKdotNET-AS, EG 24835 1473 523 33 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 901 65 58 ORANGE-COTE-IVOIRE, CI 36935 771 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 501 50 30 WANANCHI-, KE 37342 468 32 1 MOVITEL, MZ 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 10551 3394 560 Uninet S.A. de C.V., MX 9808 9212 8879 35 CHINAMOBILE-CN China Mobile Communicati 9121 6917 1692 17 TTNET, TR 12479 6823 1730 149 UNI2-AS, ES 16509 6216 10270 2701 AMAZON-02, US 7545 5909 789 698 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4473 297 692 CABLEONE, US 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3925 3057 357 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3923 3360 197 AKAMAI-ASN1, NL 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 9212 9177 CHINAMOBILE-CN China Mobile Communications Grou 9121 6917 6900 TTNET, TR 12479 6823 6674 UNI2-AS, ES 7545 5909 5211 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4009 3970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3900 3869 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4473 3781 CABLEONE, US 20940 3923 3726 AKAMAI-ASN1, NL 7552 3607 3588 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, 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 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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/RENU/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW 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 /10:39 /11:100 /12:304 /13:588 /14:1213 /15:2118 /16:13590 /17:8297 /18:14013 /19:25210 /20:43265 /21:52754 /22:109304 /23:99429 /24:542510 /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 6035 6917 TTNET, TR 12479 5801 6823 UNI2-AS, ES 8151 4208 10551 Uninet S.A. de C.V., MX 8551 3475 4009 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3379 4473 CABLEONE, US 6327 3243 3430 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2990 3900 VIASAT-SP-BACKBONE, US 22773 2932 3925 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2716 2864 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1934 2:1041 3:154 4:9 5:3910 6:103 7:5 8:1564 9:1 11:172 12:1709 13:294 14:2378 15:192 16:45 17:381 18:157 20:198 21:4 22:188 23:5614 24:2383 25:4 27:2654 29:19 31:2448 32:97 34:1 35:73 36:1781 37:4471 38:2796 39:732 40:163 41:4434 42:1089 43:2197 44:293 45:17046 46:4176 47:341 49:1669 50:1943 51:101 52:1411 53:1 54:363 55:708 56:8 57:65 58:1760 59:1120 60:957 61:2287 62:2579 63:1975 64:5536 65:2321 66:4953 67:3013 68:1213 69:4169 70:1340 71:666 72:3117 74:2694 75:1398 76:589 77:2288 78:3975 79:3117 80:2010 81:1777 82:1490 83:1213 84:1367 85:3689 86:709 87:2062 88:2731 89:3336 90:519 91:7741 92:2008 93:2616 94:3555 95:4801 96:1297 97:349 98:990 99:739 100:74 101:1289 102:2230 103:29032 104:4389 105:2042 106:859 107:2542 108:843 109:4241 110:2059 111:3261 112:2031 113:1485 114:1520 115:2084 116:1881 117:2543 118:2333 119:1869 120:1670 121:1037 122:2577 123:2147 124:1546 125:2076 128:1230 129:1275 130:987 131:2226 132:821 133:373 134:1930 135:296 136:887 137:883 138:2716 139:1495 140:862 141:1408 142:1303 143:1539 144:1245 145:344 146:1808 147:1503 148:2230 149:1711 150:874 151:1084 152:1851 153:539 154:3646 155:1445 156:1871 157:1234 158:1035 159:2094 160:2544 161:1319 162:3486 163:1272 164:1673 165:1648 166:706 167:1727 168:4049 169:739 170:4833 171:831 172:3150 173:3114 174:1022 175:1167 176:3576 177:5797 178:3526 179:2447 180:2285 181:3002 182:3203 183:1933 184:2387 185:19632 186:4842 187:4241 188:3985 189:3571 190:9038 191:1741 192:11038 193:8653 194:7023 195:5023 196:3157 197:2779 198:6056 199:6069 200:7901 201:5899 202:10317 203:10225 204:4575 205:3385 206:3804 207:3408 208:4088 209:4723 210:4112 211:2361 212:4051 213:3462 214:1156 215:67 216:6510 217:2780 218:1268 219:411 220:1949 221:982 222:670 223:2131 End of report