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 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: 912815 Prefixes after maximum aggregation (per Origin AS): 337703 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 430582 Number of IPv4 prefixes with a valid ROA: 661794 Number of IPv4 prefixes with an invalid ROA: 5904 Number of IPv4 prefixes with no ROA: 1157932 Total ASes present in the Internet Routing Table: 73154 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 62649 Origin ASes announcing only one prefix: 25288 Transit ASes present in the Internet Routing Table: 10505 Transit-only ASes present in the Internet Routing Table: 382 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 250 Max AS path prepend of ASN ( 51196) 246 Prefixes from unregistered ASNs in the Routing Table: 913 Number of instances of unregistered ASNs: 919 Number of 32-bit ASNs allocated by the RIRs: 39186 Number of 32-bit ASNs visible in the Routing Table: 32597 Prefixes from 32-bit ASNs in the Routing Table: 159828 Number of bogon 32-bit ASNs visible in the Routing Table: 48 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 498 Number of addresses announced to Internet: 3066845696 Equivalent to 182 /8s, 204 /16s and 90 /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: 315056 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232108 Total APNIC prefixes after maximum aggregation: 66234 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 227046 Unique aggregates announced from the APNIC address blocks: 94732 APNIC Region origin ASes present in the Internet Routing Table: 12565 APNIC Prefixes per ASN: 18.07 APNIC Region origin ASes announcing only one prefix: 3554 APNIC Region transit ASes present in the Internet Routing Table: 1741 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: 7794 Number of APNIC addresses announced to Internet: 773626624 Equivalent to 46 /8s, 28 /16s and 155 /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: 262670 Total ARIN prefixes after maximum aggregation: 120006 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 262752 Unique aggregates announced from the ARIN address blocks: 124688 ARIN Region origin ASes present in the Internet Routing Table: 19050 ARIN Prefixes per ASN: 13.79 ARIN Region origin ASes announcing only one prefix: 6919 ARIN Region transit ASes present in the Internet Routing Table: 1960 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 39 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4466 Number of ARIN addresses announced to Internet: 1295222272 Equivalent to 77 /8s, 51 /16s and 134 /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: 261079 Total RIPE prefixes after maximum aggregation: 117608 RIPE Deaggregation factor: 2.22 Prefixes being announced from the RIPE address blocks: 258364 Unique aggregates announced from the RIPE address blocks: 150682 RIPE Region origin ASes present in the Internet Routing Table: 28166 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12006 RIPE Region transit ASes present in the Internet Routing Table: 4035 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 250 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10722 Number of RIPE addresses announced to Internet: 713943808 Equivalent to 42 /8s, 141 /16s and 235 /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: 124449 Total LACNIC prefixes after maximum aggregation: 27564 LACNIC Deaggregation factor: 4.51 Prefixes being announced from the LACNIC address blocks: 124205 Unique aggregates announced from the LACNIC address blocks: 48312 LACNIC Region origin ASes present in the Internet Routing Table: 10957 LACNIC Prefixes per ASN: 11.34 LACNIC Region origin ASes announcing only one prefix: 2279 LACNIC Region transit ASes present in the Internet Routing Table: 2238 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 65 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8648 Number of LACNIC addresses announced to Internet: 176299264 Equivalent to 10 /8s, 130 /16s and 29 /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: 31596 Total AfriNIC prefixes after maximum aggregation: 5579 AfriNIC Deaggregation factor: 5.66 Prefixes being announced from the AfriNIC address blocks: 39950 Unique aggregates announced from the AfriNIC address blocks: 11734 AfriNIC Region origin ASes present in the Internet Routing Table: 1636 AfriNIC Prefixes per ASN: 24.42 AfriNIC Region origin ASes announcing only one prefix: 530 AfriNIC Region transit ASes present in the Internet Routing Table: 327 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 27 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 967 Number of AfriNIC addresses announced to Internet: 107472896 Equivalent to 6 /8s, 103 /16s and 232 /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 9134 8883 39 CHINAMOBILE-CN China Mobile Communicati 7545 5909 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3593 1330 19 VIETEL-AS-AP Viettel Group, VN 45899 3513 1880 56 VNPT-AS-VN VNPT Corp, VN 7713 3501 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2399 491 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 591 KIXS-AS-KR Korea Telecom, KR 45090 2187 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2118 429 197 TATACOMM-AS TATA Communications formerl 24560 2049 855 376 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 6249 10273 2706 AMAZON-02, US 11492 4474 297 690 CABLEONE, US 22773 3934 3058 359 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3900 264 31 VIASAT-SP-BACKBONE, US 16625 3615 1853 2553 AKAMAI-AS, US 6327 3430 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2605 373 199 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2520 4961 422 CENTURYLINK-US-LEGACY-QWEST, US 20115 2255 3051 492 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 12479 6787 1730 150 UNI2-AS, ES 9121 6719 1692 17 TTNET, TR 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3930 3348 213 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2941 355 21 UKRTELNET, UA 12389 2924 2273 907 ROSTELECOM-AS, RU 9009 2472 247 1282 M247, GB 34984 2238 357 632 TELLCOM-AS, TR 47331 2093 329 1602 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 10580 3387 558 Uninet S.A. de C.V., MX 10620 3469 518 747 Telmex Colombia S.A., CO 11830 2433 369 63 Instituto Costarricense de Electricidad 13999 1756 296 471 Mega Cable, S.A. de C.V., MX 6503 1454 355 525 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 1085 369 21 Telefonica del Peru S.A.A., PE 11664 1023 191 447 Techtel LMDS Comunicaciones Interactiva 11172 961 133 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 1939 322 60 Telkom-Internet, ZA 24863 1655 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 906 65 58 ORANGE-COTE-IVOIRE, CI 36935 773 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 499 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 10580 3387 558 Uninet S.A. de C.V., MX 9808 9134 8883 39 CHINAMOBILE-CN China Mobile Communicati 12479 6787 1730 150 UNI2-AS, ES 9121 6719 1692 17 TTNET, TR 16509 6249 10273 2706 AMAZON-02, US 7545 5909 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4474 297 690 CABLEONE, US 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3934 3058 359 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3930 3348 213 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 9134 9095 CHINAMOBILE-CN China Mobile Communications Grou 9121 6719 6702 TTNET, TR 12479 6787 6637 UNI2-AS, ES 7545 5909 5213 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4010 3971 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3900 3869 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4474 3784 CABLEONE, US 20940 3930 3717 AKAMAI-ASN1, NL 22773 3934 3575 ASN-CXA-ALL-CCI-22773-RDC, US 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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 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 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 /10:40 /11:100 /12:304 /13:589 /14:1213 /15:2119 /16:13583 /17:8307 /18:14017 /19:25239 /20:43296 /21:52692 /22:109373 /23:99429 /24:542485 /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 5875 6719 TTNET, TR 12479 5769 6787 UNI2-AS, ES 8151 4246 10580 Uninet S.A. de C.V., MX 8551 3476 4010 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3380 4474 CABLEONE, US 6327 3243 3430 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2990 3900 VIASAT-SP-BACKBONE, US 22773 2939 3934 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2786 2941 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1937 2:1040 3:154 4:9 5:3905 6:103 7:5 8:1567 9:1 11:172 12:1709 13:300 14:2371 15:192 16:45 17:379 18:159 20:198 21:4 22:188 23:5645 24:2390 25:6 27:2660 29:19 31:2444 32:97 34:1 35:73 36:1780 37:4464 38:2839 39:702 40:163 41:4450 42:1090 43:2212 44:291 45:16968 46:4180 47:337 49:1686 50:1960 51:102 52:1419 54:363 55:716 56:8 57:65 58:1760 59:1121 60:957 61:2289 62:2585 63:1972 64:5535 65:2317 66:4951 67:3012 68:1224 69:4178 70:1338 71:666 72:3116 74:2689 75:1397 76:589 77:2290 78:3974 79:3115 80:2001 81:1764 82:1503 83:1217 84:1371 85:3689 86:708 87:2058 88:2735 89:3343 90:523 91:7740 92:2011 93:2616 94:3562 95:4810 96:1295 97:352 98:993 99:737 100:75 101:1288 102:2255 103:29137 104:4382 105:2053 106:854 107:2518 108:853 109:4241 110:2053 111:3241 112:2031 113:1493 114:1522 115:2086 116:1883 117:2527 118:2336 119:1855 120:1662 121:1043 122:2584 123:2146 124:1544 125:2072 128:1241 129:1168 130:983 131:2216 132:817 133:373 134:1926 135:296 136:892 137:874 138:2709 139:1502 140:866 141:1413 142:1299 143:1533 144:1214 145:345 146:1824 147:1503 148:2131 149:1733 150:868 151:1082 152:1862 153:539 154:3650 155:1429 156:1867 157:1236 158:1040 159:2127 160:2551 161:1323 162:3482 163:1273 164:1674 165:1649 166:702 167:1726 168:4048 169:865 170:4864 171:829 172:3147 173:3107 174:1023 175:1167 176:3582 177:5763 178:3543 179:2422 180:2276 181:3022 182:3204 183:1934 184:2391 185:19635 186:4781 187:4247 188:3975 189:3589 190:8983 191:1741 192:11029 193:8667 194:7034 195:5041 196:3170 197:2781 198:6052 199:6068 200:7871 201:5908 202:10291 203:10224 204:4565 205:3406 206:3805 207:3399 208:4091 209:4702 210:4111 211:2357 212:4073 213:3471 214:1160 215:67 216:6491 217:2766 218:1266 219:411 220:1951 221:982 222:670 223:2124 End of report