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 Mar, 2024 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: 960190 Prefixes after maximum aggregation (per Origin AS): 358926 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 458543 Number of IPv4 prefixes with a valid ROA: 467565 Number of IPv4 prefixes with an invalid ROA: 2196 Number of IPv4 prefixes with no ROA: 490429 Total ASes present in the Internet Routing Table: 75564 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65023 Origin ASes announcing only one prefix: 26113 Transit ASes present in the Internet Routing Table: 10541 Transit-only ASes present in the Internet Routing Table: 488 Paths with bogon ASNs present in the IPv4 Routing Table: 188 Average AS path length visible in the Internet Routing Table: 7.9 Max AS path length visible: 59 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1147 Number of instances of unregistered ASNs: 1149 Number of 32-bit ASNs allocated by the RIRs: 43893 Number of 32-bit ASNs visible in the Routing Table: 36096 Prefixes from 32-bit ASNs in the Routing Table: 188245 Number of bogon 32-bit ASNs visible in the Routing Table: 21 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 618 Number of addresses announced to Internet: 3029174272 Equivalent to 180 /8s, 141 /16s and 136 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 320123 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249418 Total APNIC prefixes after maximum aggregation: 72538 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 242031 Unique aggregates announced from the APNIC address blocks: 100125 APNIC Region origin ASes present in the Internet Routing Table: 14031 APNIC Prefixes per ASN: 17.25 APNIC Region origin ASes announcing only one prefix: 4244 APNIC Region transit ASes present in the Internet Routing Table: 1852 Average APNIC Region AS path length visible: 8.1 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9432 Number of APNIC addresses announced to Internet: 760458496 Equivalent to 45 /8s, 83 /16s and 173 /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, 131072-153913 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: 278482 Total ARIN prefixes after maximum aggregation: 124086 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 283403 Unique aggregates announced from the ARIN address blocks: 132534 ARIN Region origin ASes present in the Internet Routing Table: 19133 ARIN Prefixes per ASN: 14.81 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1929 Average ARIN Region AS path length visible: 7.7 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4874 Number of ARIN addresses announced to Internet: 1269330432 Equivalent to 75 /8s, 168 /16s and 114 /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: 267253 Total RIPE prefixes after maximum aggregation: 126450 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 262085 Unique aggregates announced from the RIPE address blocks: 162870 RIPE Region origin ASes present in the Internet Routing Table: 28600 RIPE Prefixes per ASN: 9.16 RIPE Region origin ASes announcing only one prefix: 12066 RIPE Region transit ASes present in the Internet Routing Table: 3867 Average RIPE Region AS path length visible: 7.8 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11679 Number of RIPE addresses announced to Internet: 714945536 Equivalent to 42 /8s, 157 /16s and 52 /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 196608-216475 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: 130247 Total LACNIC prefixes after maximum aggregation: 28897 LACNIC Deaggregation factor: 4.51 Prefixes being announced from the LACNIC address blocks: 128474 Unique aggregates announced from the LACNIC address blocks: 49563 LACNIC Region origin ASes present in the Internet Routing Table: 11064 LACNIC Prefixes per ASN: 11.61 LACNIC Region origin ASes announcing only one prefix: 2251 LACNIC Region transit ASes present in the Internet Routing Table: 2377 Average LACNIC Region AS path length visible: 8.6 Max LACNIC Region AS path length visible: 59 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8920 Number of LACNIC addresses announced to Internet: 177298432 Equivalent to 10 /8s, 145 /16s and 92 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 33643 Total AfriNIC prefixes after maximum aggregation: 6193 AfriNIC Deaggregation factor: 5.43 Prefixes being announced from the AfriNIC address blocks: 43579 Unique aggregates announced from the AfriNIC address blocks: 12969 AfriNIC Region origin ASes present in the Internet Routing Table: 1824 AfriNIC Prefixes per ASN: 23.89 AfriNIC Region origin ASes announcing only one prefix: 598 AfriNIC Region transit ASes present in the Internet Routing Table: 362 Average AfriNIC Region AS path length visible: 6.7 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1191 Number of AfriNIC addresses announced to Internet: 106825728 Equivalent to 6 /8s, 94 /16s and 8 /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 9848 8741 60 CHINAMOBILE-CN China Mobile Communicati 7545 5652 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4588 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3854 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3610 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3522 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2764 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2193 434 195 TATACOMM-AS TATA Communications formerl 45090 2185 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9749 11359 3407 AMAZON-02, US 174 5265 6651 695 COGENT-174, US 11492 4593 305 622 CABLEONE, US 7155 4181 288 96 VIASAT-SP-BACKBONE, US 22773 3607 3063 302 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3603 1320 75 SHAW, CA 16625 3208 1376 2279 AKAMAI-AS, US 749 3191 54916 2443 DNIC-AS-00749, US 367 2916 3629 1385 DNIC-ASBLK-00306-00371, US 396982 2762 3641 411 GOOGLE-CLOUD-PLATFORM, 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 7701 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3909 3395 127 AKAMAI-ASN1, NL 9009 3272 284 1601 M247, RO 12389 2985 2304 904 ROSTELECOM-AS, RU 8551 2651 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1524 1852 14 TE-AS TE-AS, EG 44477 1499 98 709 STARK-INDUSTRIES, GB 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 12355 3321 495 UNINET, MX 10620 3526 497 892 Telmex Colombia S.A., CO 13999 2513 342 658 Mega Cable, S.A. de C.V., MX 11830 2000 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 19429 1233 216 21 ETB - Colombia, CO 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1147 179 423 Techtel LMDS Comunicaciones Interactiva 28202 1105 52 9 Rede Brasileira de Comunicacao 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 24835 1548 545 28 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1368 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1203 76 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 37457 560 315 38 Telkom-Internet, ZA 6713 555 1861 34 IAM-AS, MA 36914 549 82 3 KENET-AS, KE 15399 540 55 49 WANANCHI-, 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 12355 3321 495 UNINET, MX 9808 9848 8741 60 CHINAMOBILE-CN China Mobile Communicati 16509 9749 11359 3407 AMAZON-02, US 12479 7701 1714 147 UNI2-AS, ES 7545 5652 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5265 6651 695 COGENT-174, US 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4593 305 622 CABLEONE, US 18403 4588 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4181 288 96 VIASAT-SP-BACKBONE, US 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 9848 9788 CHINAMOBILE-CN China Mobile Communications Grou 12479 7701 7554 UNI2-AS, ES 16509 9749 6342 AMAZON-02, US 7545 5652 4980 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 174 5265 4570 COGENT-174, US 18403 4588 4563 FPT-AS-AP FPT Telecom Company, VN 7155 4181 4085 VIASAT-SP-BACKBONE, US 11492 4593 3971 CABLEONE, US 7552 3854 3834 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 46559 UNALLOCATED 8.3.52.0/23 3257 GTT-BACKBONE GTT, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 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 Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.160.201.0/24 Origin: 21738 ROZINT, US 23.160.201.0/24 Transit: 6939 HURRICANE, US 23.172.216.0/24 Origin: 398741 AS-VERTEXLINK-01, US 23.172.216.0/24 Transit: 61302 HUIZE_TELECOM Huize Telecom, GB 23.174.120.0/24 Origin: 29774 VSIX-, FR 23.174.120.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 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 /9:14 /10:36 /11:95 /12:300 /13:580 /14:1191 /15:2108 /16:13320 /17:8249 /18:13894 /19:24891 /20:44030 /21:52064 /22:112204 /23:102831 /24:584367 /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 6815 7701 UNI2-AS, ES 8151 6365 12355 UNINET, MX 11492 3506 4593 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3400 3603 SHAW, CA 7155 3125 4181 VIASAT-SP-BACKBONE, US 22773 2644 3607 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2132 3526 Telmex Colombia S.A., CO 8551 2127 2651 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2272 2:1482 3:318 4:8 5:4609 6:162 7:6 8:1527 9:2 11:172 12:1464 13:378 14:2364 15:318 16:210 17:366 18:751 20:362 21:4 22:188 23:6662 24:3098 25:2 27:2645 29:19 31:2666 32:55 34:63 35:125 36:2243 37:4521 38:8227 39:895 40:125 41:4376 42:2213 43:2358 44:316 45:17666 46:4458 47:296 49:1939 50:1917 51:577 52:1580 54:307 55:970 56:5 57:168 58:2048 59:1129 60:1025 61:2631 62:2778 63:1926 64:5715 65:2342 66:4838 67:3110 68:1348 69:4118 70:1364 71:583 72:2969 74:2613 75:1587 76:625 77:2547 78:1858 79:2486 80:2192 81:1972 82:1532 83:1306 84:1648 85:3133 86:828 87:2280 88:1292 89:4086 90:686 91:8150 92:2203 93:2665 94:3697 95:4174 96:1304 97:312 98:1038 99:743 100:92 101:1168 102:3572 103:32670 104:4819 105:1115 106:929 107:2756 108:1120 109:4110 110:2137 111:3211 112:2072 113:1781 114:1787 115:2094 116:1883 117:2617 118:2760 119:1968 120:1788 121:1291 122:2708 123:2221 124:1575 125:2844 126:32 128:1505 129:1009 130:1126 131:1919 132:827 133:410 134:1734 135:356 136:954 137:1043 138:3001 139:1552 140:1382 141:1371 142:1596 143:1547 144:1010 145:347 146:2043 147:1740 148:2516 149:2639 150:1049 151:1341 152:1983 153:593 154:6179 155:1389 156:2249 157:1651 158:1110 159:2266 160:2699 161:1647 162:3625 163:1736 164:1688 165:2187 166:1066 167:1787 168:4098 169:820 170:4954 171:1006 172:3844 173:3076 174:906 175:1220 176:3739 177:5302 178:3610 179:2451 180:2368 181:3781 182:3367 183:2016 184:2275 185:20890 186:5332 187:4811 188:4166 189:4322 190:9603 191:1920 192:11028 193:9100 194:7523 195:5359 196:3478 197:2719 198:5967 199:7548 200:8364 201:6434 202:10416 203:10290 204:4597 205:3748 206:4539 207:3468 208:4164 209:5057 210:4505 211:2485 212:4341 213:3438 214:1085 215:50 216:6833 217:2905 218:1329 219:406 220:2049 221:1032 222:692 223:2213 End of report