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 22 Jul, 2023 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: 942118 Prefixes after maximum aggregation (per Origin AS): 350941 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 452158 Number of IPv4 prefixes with a valid ROA: 424815 Number of IPv4 prefixes with an invalid ROA: 1446 Number of IPv4 prefixes with no ROA: 515857 Total ASes present in the Internet Routing Table: 74565 Prefixes per ASN: 12.63 Origin-only ASes present in the Internet Routing Table: 64263 Origin ASes announcing only one prefix: 25882 Transit ASes present in the Internet Routing Table: 10302 Transit-only ASes present in the Internet Routing Table: 432 Paths with bogon ASNs present in the IPv4 Routing Table: 76 Average AS path length visible in the Internet Routing Table: 7.7 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1138 Number of instances of unregistered ASNs: 1140 Number of 32-bit ASNs allocated by the RIRs: 42285 Number of 32-bit ASNs visible in the Routing Table: 34833 Prefixes from 32-bit ASNs in the Routing Table: 178551 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 632 Number of addresses announced to Internet: 3053321984 Equivalent to 181 /8s, 253 /16s and 255 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 318390 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 242829 Total APNIC prefixes after maximum aggregation: 69258 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 236524 Unique aggregates announced from the APNIC address blocks: 98392 APNIC Region origin ASes present in the Internet Routing Table: 13481 APNIC Prefixes per ASN: 17.54 APNIC Region origin ASes announcing only one prefix: 3978 APNIC Region transit ASes present in the Internet Routing Table: 1792 Average APNIC Region AS path length visible: 7.9 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8831 Number of APNIC addresses announced to Internet: 773119744 Equivalent to 46 /8s, 20 /16s and 223 /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: 275983 Total ARIN prefixes after maximum aggregation: 123642 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 278588 Unique aggregates announced from the ARIN address blocks: 130958 ARIN Region origin ASes present in the Internet Routing Table: 19087 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1877 Average ARIN Region AS path length visible: 7.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4811 Number of ARIN addresses announced to Internet: 1277300224 Equivalent to 76 /8s, 34 /16s and 14 /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: 263998 Total RIPE prefixes after maximum aggregation: 122779 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 260261 Unique aggregates announced from the RIPE address blocks: 159901 RIPE Region origin ASes present in the Internet Routing Table: 28384 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12008 RIPE Region transit ASes present in the Internet Routing Table: 3809 Average RIPE Region AS path length visible: 7.7 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11262 Number of RIPE addresses announced to Internet: 716994048 Equivalent to 42 /8s, 188 /16s and 118 /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: 126068 Total LACNIC prefixes after maximum aggregation: 28595 LACNIC Deaggregation factor: 4.41 Prefixes being announced from the LACNIC address blocks: 125071 Unique aggregates announced from the LACNIC address blocks: 49814 LACNIC Region origin ASes present in the Internet Routing Table: 11002 LACNIC Prefixes per ASN: 11.37 LACNIC Region origin ASes announcing only one prefix: 2359 LACNIC Region transit ASes present in the Internet Routing Table: 2334 Average LACNIC Region AS path length visible: 8.4 Max LACNIC Region AS path length visible: 59 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8813 Number of LACNIC addresses announced to Internet: 178225664 Equivalent to 10 /8s, 159 /16s and 130 /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: 32102 Total AfriNIC prefixes after maximum aggregation: 5919 AfriNIC Deaggregation factor: 5.42 Prefixes being announced from the AfriNIC address blocks: 41042 Unique aggregates announced from the AfriNIC address blocks: 12572 AfriNIC Region origin ASes present in the Internet Routing Table: 1769 AfriNIC Prefixes per ASN: 23.20 AfriNIC Region origin ASes announcing only one prefix: 577 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1116 Number of AfriNIC addresses announced to Internet: 107324928 Equivalent to 6 /8s, 101 /16s and 166 /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 9516 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5682 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4243 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3706 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3561 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3464 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3051 498 249 BBIL-AP BHARTI Airtel Ltd., IN 24560 2452 835 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2304 11270 588 KIXS-AS-KR Korea Telecom, KR 45090 2149 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 8776 10933 3120 AMAZON-02, US 11492 4523 300 618 CABLEONE, US 7155 4187 287 98 VIASAT-SP-BACKBONE, US 22773 3541 3038 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 174 3489 6656 610 COGENT-174, US 749 3140 54962 2392 DNIC-AS-00749, US 16625 3128 1555 2351 AKAMAI-AS, US 367 2760 3754 1319 DNIC-ASBLK-00306-00371, US 396982 2677 3595 383 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 7300 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4059 3398 157 AKAMAI-ASN1, NL 8551 3461 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2294 913 ROSTELECOM-AS, RU 9009 2665 247 1381 M247, RO 34984 2313 361 608 TELLCOM-AS, TR 6849 1829 307 17 UKRTELNET, UA 58224 1814 944 537 TCI, IR 13188 1607 100 26 TRIOLAN, UA 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 11619 3358 596 UNINET, MX 10620 3529 507 836 Telmex Colombia S.A., CO 13999 2410 361 631 Mega Cable, S.A. de C.V., MX 11830 2051 369 64 Instituto Costarricense de Electricidad 28573 1317 2322 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 344 511 Axtel, S.A.B. de C.V., MX 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1105 177 433 Techtel LMDS Comunicaciones Interactiva 26615 1038 2500 48 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 24863 1606 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1296 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 37457 811 319 45 Telkom-Internet, ZA 6713 550 1861 34 IAM-AS, MA 36914 534 82 3 KENET-AS, KE 15399 524 54 43 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 11619 3358 596 UNINET, MX 9808 9516 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8776 10933 3120 AMAZON-02, US 12479 7300 1706 141 UNI2-AS, ES 7545 5682 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4523 300 618 CABLEONE, US 18403 4243 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4187 287 98 VIASAT-SP-BACKBONE, US 20940 4059 3398 157 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 9516 9479 CHINAMOBILE-CN China Mobile Communications Grou 12479 7300 7159 UNI2-AS, ES 16509 8776 5656 AMAZON-02, US 7545 5682 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4243 4218 FPT-AS-AP FPT Telecom Company, VN 7155 4187 4089 VIASAT-SP-BACKBONE, US 11492 4523 3905 CABLEONE, US 20940 4059 3902 AKAMAI-ASN1, NL 7552 3706 3685 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 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 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 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 /10:38 /11:102 /12:296 /13:574 /14:1207 /15:2133 /16:13541 /17:8327 /18:14017 /19:25288 /20:44235 /21:52358 /22:111195 /23:102391 /24:566386 /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 6388 7300 UNI2-AS, ES 8151 5546 11619 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4523 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3136 4187 VIASAT-SP-BACKBONE, US 8551 2930 3461 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2608 3541 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2170 2515 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2088 3529 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2178 2:1352 3:242 4:5 5:4594 6:131 7:6 8:1558 9:1 11:172 12:1520 13:377 14:2309 15:301 16:198 17:374 18:530 20:275 21:4 22:188 23:6374 24:3015 25:4 27:2608 29:19 31:2561 32:85 34:25 35:113 36:1975 37:4715 38:6072 39:830 40:152 41:4381 42:2015 43:2336 44:308 45:17285 46:4442 47:377 49:1762 50:1875 51:584 52:1594 54:397 55:978 56:8 57:129 58:1891 59:1097 60:983 61:2565 62:2758 63:1924 64:5722 65:2332 66:5064 67:3076 68:1342 69:4118 70:1371 71:686 72:3052 74:2666 75:1613 76:613 77:2556 78:1879 79:2981 80:2133 81:1830 82:1505 83:1286 84:1533 85:3015 86:764 87:2120 88:1225 89:3897 90:614 91:7908 92:2050 93:2616 94:3649 95:4067 96:1300 97:331 98:1170 99:735 100:95 101:1315 102:3151 103:31894 104:4584 105:719 106:877 107:2555 108:1087 109:4281 110:2107 111:3135 112:2062 113:1755 114:1650 115:2047 116:1906 117:2552 118:2630 119:1974 120:1789 121:1088 122:2589 123:2167 124:1564 125:2464 128:1464 129:1111 130:1043 131:2054 132:857 133:422 134:1802 135:350 136:892 137:970 138:2646 139:1564 140:1261 141:1306 142:1477 143:1537 144:989 145:342 146:1973 147:1621 148:2421 149:2224 150:897 151:1168 152:1986 153:570 154:4919 155:1377 156:1895 157:1328 158:1097 159:2261 160:2667 161:1558 162:3535 163:1574 164:1693 165:1918 166:1059 167:1731 168:4015 169:955 170:4810 171:890 172:3647 173:2986 174:1045 175:1201 176:3791 177:5379 178:3630 179:2401 180:2460 181:3530 182:3403 183:1970 184:2314 185:20717 186:5051 187:4444 188:4235 189:4002 190:9298 191:1766 192:10937 193:8960 194:7380 195:5222 196:3368 197:2763 198:6000 199:6110 200:8099 201:6018 202:10497 203:10266 204:4587 205:3654 206:4397 207:3472 208:4151 209:4953 210:4287 211:2457 212:4289 213:3624 214:1084 215:60 216:6724 217:2847 218:1278 219:420 220:1768 221:963 222:681 223:2163 End of report