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 23 Jul, 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: 919975 Prefixes after maximum aggregation (per Origin AS): 340612 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 436954 Number of IPv4 prefixes with a valid ROA: 352967 Number of IPv4 prefixes with an invalid ROA: 2798 Number of IPv4 prefixes with no ROA: 564210 Total ASes present in the Internet Routing Table: 73523 Prefixes per ASN: 12.51 Origin-only ASes present in the Internet Routing Table: 63008 Origin ASes announcing only one prefix: 25503 Transit ASes present in the Internet Routing Table: 10515 Transit-only ASes present in the Internet Routing Table: 397 Paths with bogon ASNs present in the IPv4 Routing Table: 122 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1025 Number of instances of unregistered ASNs: 1031 Number of 32-bit ASNs allocated by the RIRs: 39850 Number of 32-bit ASNs visible in the Routing Table: 33099 Prefixes from 32-bit ASNs in the Routing Table: 163719 Number of bogon 32-bit ASNs visible in the Routing Table: 61 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3071877632 Equivalent to 183 /8s, 25 /16s and 34 /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: 99.6 Total number of prefixes smaller than registry allocations: 317602 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232933 Total APNIC prefixes after maximum aggregation: 66650 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 228059 Unique aggregates announced from the APNIC address blocks: 95802 APNIC Region origin ASes present in the Internet Routing Table: 12780 APNIC Prefixes per ASN: 17.84 APNIC Region origin ASes announcing only one prefix: 3683 APNIC Region transit ASes present in the Internet Routing Table: 1774 Average APNIC Region AS path length visible: 6.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8027 Number of APNIC addresses announced to Internet: 772866560 Equivalent to 46 /8s, 17 /16s and 2 /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: 265404 Total ARIN prefixes after maximum aggregation: 120815 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 265814 Unique aggregates announced from the ARIN address blocks: 127220 ARIN Region origin ASes present in the Internet Routing Table: 19089 ARIN Prefixes per ASN: 13.92 ARIN Region origin ASes announcing only one prefix: 6944 ARIN Region transit ASes present in the Internet Routing Table: 1941 Average ARIN Region AS path length visible: 5.5 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4577 Number of ARIN addresses announced to Internet: 1296078592 Equivalent to 77 /8s, 64 /16s and 151 /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: 263243 Total RIPE prefixes after maximum aggregation: 119085 RIPE Deaggregation factor: 2.21 Prefixes being announced from the RIPE address blocks: 260443 Unique aggregates announced from the RIPE address blocks: 152951 RIPE Region origin ASes present in the Internet Routing Table: 28193 RIPE Prefixes per ASN: 9.24 RIPE Region origin ASes announcing only one prefix: 12031 RIPE Region transit ASes present in the Internet Routing Table: 4008 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10785 Number of RIPE addresses announced to Internet: 718288128 Equivalent to 42 /8s, 208 /16s and 53 /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: 125559 Total LACNIC prefixes after maximum aggregation: 27677 LACNIC Deaggregation factor: 4.54 Prefixes being announced from the LACNIC address blocks: 125168 Unique aggregates announced from the LACNIC address blocks: 48797 LACNIC Region origin ASes present in the Internet Routing Table: 10993 LACNIC Prefixes per ASN: 11.39 LACNIC Region origin ASes announcing only one prefix: 2303 LACNIC Region transit ASes present in the Internet Routing Table: 2272 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8716 Number of LACNIC addresses announced to Internet: 176570368 Equivalent to 10 /8s, 134 /16s and 64 /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: 31811 Total AfriNIC prefixes after maximum aggregation: 5610 AfriNIC Deaggregation factor: 5.67 Prefixes being announced from the AfriNIC address blocks: 39980 Unique aggregates announced from the AfriNIC address blocks: 11753 AfriNIC Region origin ASes present in the Internet Routing Table: 1667 AfriNIC Prefixes per ASN: 23.98 AfriNIC Region origin ASes announcing only one prefix: 542 AfriNIC Region transit ASes present in the Internet Routing Table: 318 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 994 Number of AfriNIC addresses announced to Internet: 107791360 Equivalent to 6 /8s, 108 /16s and 196 /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 9031 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5920 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3572 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3505 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3471 1879 49 VNPT-AS-VN VNPT Corp, VN 9498 2430 499 240 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11123 591 KIXS-AS-KR Korea Telecom, KR 45090 2193 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2134 847 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2126 425 217 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 6765 10389 2679 AMAZON-02, US 11492 4514 299 657 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3826 3051 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3466 1786 2502 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 3016 50733 2274 DNIC-AS-00749, US 30036 2605 373 271 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2514 3360 360 GOOGLE-CLOUD-PLATFORM, US 209 2379 4935 409 CENTURYLINK-US-LEGACY-QWEST, 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 6885 1730 144 UNI2-AS, ES 9121 6632 1692 17 TTNET, TR 20940 4038 3361 203 AKAMAI-ASN1, NL 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2916 2290 912 ROSTELECOM-AS, RU 6849 2788 355 21 UKRTELNET, UA 9009 2572 253 1333 M247, GB 34984 2249 358 637 TELLCOM-AS, TR 47331 2046 323 1566 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 10778 3396 557 Uninet S.A. de C.V., MX 10620 3482 515 774 Telmex Colombia S.A., CO 11830 2412 369 64 Instituto Costarricense de Electricidad 13999 1907 312 506 Mega Cable, S.A. de C.V., MX 28573 1359 2331 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1267 693 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1085 370 21 Telefonica del Peru S.A.A., PE 11664 997 179 458 Techtel LMDS Comunicaciones Interactiva 26615 976 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 1949 322 62 Telkom-Internet, ZA 24863 1611 393 21 LINKdotNET-AS, EG 24835 1447 521 31 RAYA-AS, EG 36992 1320 1519 274 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 970 66 47 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 496 50 29 WANANCHI-, KE 36914 463 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 10778 3396 557 Uninet S.A. de C.V., MX 9808 9031 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6885 1730 144 UNI2-AS, ES 16509 6765 10389 2679 AMAZON-02, US 9121 6632 1692 17 TTNET, TR 7545 5920 785 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4514 299 657 CABLEONE, US 20940 4038 3361 203 AKAMAI-ASN1, NL 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4001 374 39 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 9031 8985 CHINAMOBILE-CN China Mobile Communications Grou 12479 6885 6741 UNI2-AS, ES 9121 6632 6615 TTNET, TR 7545 5920 5226 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6765 4086 AMAZON-02, US 8551 4001 3962 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3906 3874 VIASAT-SP-BACKBONE, US 11492 4514 3857 CABLEONE, US 20940 4038 3835 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 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 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 23.141.0.0/24 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 /13:593 /14:1213 /15:2122 /16:13612 /17:8373 /18:14103 /19:25128 /20:43962 /21:52649 /22:109696 /23:99872 /24:548180 /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 5869 6885 UNI2-AS, ES 9121 5790 6632 TTNET, TR 8151 4508 10778 Uninet S.A. de C.V., MX 8551 3464 4001 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4514 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2845 3826 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2640 2788 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1920 2:1066 3:157 4:7 5:3996 6:110 7:6 8:1576 9:1 11:172 12:1642 13:341 14:2347 15:234 16:47 17:387 18:178 20:246 21:4 22:188 23:5830 24:2425 25:6 27:2687 29:19 31:2451 32:96 34:7 35:87 36:1842 37:4495 38:3326 39:722 40:162 41:4365 42:1124 43:2251 44:292 45:16963 46:4179 47:325 49:1707 50:1956 51:236 52:1452 54:386 55:856 56:8 57:68 58:1786 59:1115 60:962 61:2333 62:2618 63:1944 64:5633 65:2401 66:4969 67:3008 68:1224 69:4196 70:1320 71:689 72:3090 74:2660 75:1408 76:579 77:2341 78:3999 79:3130 80:2025 81:1808 82:1500 83:1217 84:1370 85:3729 86:724 87:1997 88:2796 89:3418 90:547 91:7710 92:2030 93:2571 94:3560 95:4784 96:1329 97:353 98:1028 99:752 100:77 101:1272 102:2413 103:29690 104:4554 105:2058 106:877 107:2552 108:877 109:4359 110:1980 111:3278 112:2043 113:1510 114:1513 115:2129 116:1898 117:2441 118:2310 119:1823 120:1735 121:1035 122:2562 123:2123 124:1553 125:2073 128:1266 129:1127 130:1001 131:2216 132:833 133:377 134:1940 135:346 136:894 137:882 138:2716 139:1508 140:937 141:1453 142:1322 143:1481 144:1220 145:351 146:1832 147:1521 148:2218 149:1723 150:881 151:1072 152:1866 153:544 154:3750 155:1451 156:1694 157:1285 158:1035 159:2228 160:2564 161:1289 162:3494 163:1330 164:1685 165:1674 166:765 167:1736 168:4079 169:906 170:4883 171:840 172:3299 173:3139 174:1024 175:1173 176:3672 177:5821 178:3577 179:2590 180:2333 181:3297 182:3203 183:1920 184:2344 185:19740 186:4819 187:4424 188:4089 189:3745 190:9066 191:1827 192:10996 193:8711 194:7127 195:5119 196:3199 197:2827 198:6018 199:6065 200:7929 201:6062 202:10339 203:10254 204:4503 205:3451 206:3797 207:3400 208:4039 209:4758 210:4243 211:2323 212:4105 213:3497 214:1144 215:67 216:6518 217:2747 218:1272 219:412 220:2009 221:969 222:656 223:1971 End of report