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 08 Oct, 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: 928017 Prefixes after maximum aggregation (per Origin AS): 343573 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 440211 Number of IPv4 prefixes with a valid ROA: 371488 Number of IPv4 prefixes with an invalid ROA: 3161 Number of IPv4 prefixes with no ROA: 553368 Total ASes present in the Internet Routing Table: 73779 Prefixes per ASN: 12.58 Origin-only ASes present in the Internet Routing Table: 63238 Origin ASes announcing only one prefix: 25500 Transit ASes present in the Internet Routing Table: 10541 Transit-only ASes present in the Internet Routing Table: 410 Paths with bogon ASNs present in the IPv4 Routing Table: 116 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1083 Number of instances of unregistered ASNs: 1085 Number of 32-bit ASNs allocated by the RIRs: 40356 Number of 32-bit ASNs visible in the Routing Table: 33493 Prefixes from 32-bit ASNs in the Routing Table: 168440 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 503 Number of addresses announced to Internet: 3064963840 Equivalent to 182 /8s, 175 /16s and 163 /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: 319865 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235152 Total APNIC prefixes after maximum aggregation: 67291 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 230069 Unique aggregates announced from the APNIC address blocks: 96548 APNIC Region origin ASes present in the Internet Routing Table: 12983 APNIC Prefixes per ASN: 17.72 APNIC Region origin ASes announcing only one prefix: 3735 APNIC Region transit ASes present in the Internet Routing Table: 1765 Average APNIC Region AS path length visible: 6.0 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8246 Number of APNIC addresses announced to Internet: 773457664 Equivalent to 46 /8s, 26 /16s and 7 /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: 267818 Total ARIN prefixes after maximum aggregation: 121564 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268877 Unique aggregates announced from the ARIN address blocks: 128553 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 6950 ARIN Region transit ASes present in the Internet Routing Table: 1948 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4626 Number of ARIN addresses announced to Internet: 1290822144 Equivalent to 76 /8s, 240 /16s and 98 /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: 264627 Total RIPE prefixes after maximum aggregation: 120246 RIPE Deaggregation factor: 2.20 Prefixes being announced from the RIPE address blocks: 261428 Unique aggregates announced from the RIPE address blocks: 153749 RIPE Region origin ASes present in the Internet Routing Table: 28207 RIPE Prefixes per ASN: 9.27 RIPE Region origin ASes announcing only one prefix: 11980 RIPE Region transit ASes present in the Internet Routing Table: 4025 Average RIPE Region AS path length visible: 5.4 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10847 Number of RIPE addresses announced to Internet: 716366592 Equivalent to 42 /8s, 178 /16s and 227 /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: 126750 Total LACNIC prefixes after maximum aggregation: 27981 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 126261 Unique aggregates announced from the LACNIC address blocks: 49058 LACNIC Region origin ASes present in the Internet Routing Table: 10989 LACNIC Prefixes per ASN: 11.49 LACNIC Region origin ASes announcing only one prefix: 2279 LACNIC Region transit ASes present in the Internet Routing Table: 2279 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8743 Number of LACNIC addresses announced to Internet: 175992320 Equivalent to 10 /8s, 125 /16s and 110 /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: 32587 Total AfriNIC prefixes after maximum aggregation: 5675 AfriNIC Deaggregation factor: 5.74 Prefixes being announced from the AfriNIC address blocks: 40879 Unique aggregates announced from the AfriNIC address blocks: 11881 AfriNIC Region origin ASes present in the Internet Routing Table: 1704 AfriNIC Prefixes per ASN: 23.99 AfriNIC Region origin ASes announcing only one prefix: 556 AfriNIC Region transit ASes present in the Internet Routing Table: 316 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1031 Number of AfriNIC addresses announced to Internet: 108042496 Equivalent to 6 /8s, 112 /16s and 153 /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 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5926 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3471 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2461 499 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2283 11250 591 KIXS-AS-KR Korea Telecom, KR 24560 2232 851 412 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2194 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2134 425 218 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 7298 10554 2850 AMAZON-02, US 11492 4591 304 541 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3779 3067 356 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3551 1850 2545 AKAMAI-AS, US 6327 3498 1319 64 SHAW, CA 749 3028 50696 2295 DNIC-AS-00749, US 30036 2600 367 264 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2552 3479 345 GOOGLE-CLOUD-PLATFORM, US 209 2347 4933 391 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 6876 1730 144 UNI2-AS, ES 9121 6783 1692 17 TTNET, TR 20940 4113 3400 180 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3990 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2918 2290 912 ROSTELECOM-AS, RU 9009 2619 252 1344 M247, RO 6849 2550 339 20 UKRTELNET, UA 34984 2252 358 626 TELLCOM-AS, TR 47331 1984 312 1500 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 10845 3334 593 Uninet S.A. de C.V., MX 10620 3473 510 840 Telmex Colombia S.A., CO 11830 2303 369 64 Instituto Costarricense de Electricidad 13999 2051 334 531 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1292 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 712 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1146 369 22 Telefonica del Peru S.A.A., PE 11664 1071 180 462 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1888 326 59 Telkom-Internet, ZA 24863 1567 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1348 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1006 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 502 51 33 WANANCHI-, KE 37342 488 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 10845 3334 593 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7298 10554 2850 AMAZON-02, US 12479 6876 1730 144 UNI2-AS, ES 9121 6783 1692 17 TTNET, TR 7545 5926 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4591 304 541 CABLEONE, US 20940 4113 3400 180 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3990 374 38 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 9060 9013 CHINAMOBILE-CN China Mobile Communications Grou 9121 6783 6766 TTNET, TR 12479 6876 6732 UNI2-AS, ES 7545 5926 5232 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7298 4448 AMAZON-02, US 11492 4591 4050 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3990 3952 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4113 3933 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, 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 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, 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 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 /10:38 /11:100 /12:296 /13:588 /14:1203 /15:2104 /16:13584 /17:8418 /18:14131 /19:25173 /20:44000 /21:52899 /22:110317 /23:100614 /24:554523 /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 5929 6783 TTNET, TR 12479 5883 6876 UNI2-AS, ES 8151 4729 10845 Uninet S.A. de C.V., MX 11492 3499 4591 CABLEONE, US 8551 3454 3990 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3307 3498 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2785 3779 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2402 2550 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1899 2:1039 3:166 4:7 5:4080 6:115 7:6 8:1600 9:1 11:173 12:1625 13:338 14:2370 15:267 16:68 17:360 18:329 20:244 21:4 22:188 23:5963 24:2506 25:6 27:2744 29:19 31:2461 32:96 34:7 35:90 36:1896 37:4513 38:3662 39:755 40:168 41:4419 42:1169 43:2277 44:295 45:17452 46:4238 47:384 49:1746 50:1950 51:243 52:1493 54:387 55:849 56:8 57:85 58:1789 59:1114 60:990 61:2412 62:2634 63:1931 64:5648 65:2331 66:4962 67:2996 68:1234 69:4203 70:1309 71:687 72:3058 74:2674 75:1484 76:593 77:2351 78:3997 79:3146 80:2060 81:1819 82:1521 83:1225 84:1415 85:3742 86:734 87:2009 88:2816 89:3482 90:544 91:7669 92:2067 93:2566 94:3581 95:4804 96:1340 97:345 98:1036 99:736 100:77 101:1301 102:2705 103:30422 104:4578 105:1983 106:886 107:2537 108:909 109:4366 110:2015 111:3273 112:2048 113:1516 114:1548 115:2137 116:1899 117:2498 118:2328 119:1858 120:1711 121:1034 122:2569 123:2147 124:1517 125:2124 128:1264 129:1047 130:971 131:2233 132:841 133:377 134:1905 135:338 136:872 137:899 138:2846 139:1521 140:1094 141:1490 142:1418 143:1492 144:1200 145:348 146:1869 147:1542 148:2247 149:1802 150:890 151:1118 152:1943 153:551 154:3961 155:1430 156:1697 157:1304 158:1048 159:2188 160:2628 161:1363 162:3541 163:1446 164:1731 165:1699 166:783 167:1730 168:4146 169:903 170:4965 171:855 172:3424 173:3129 174:1016 175:1173 176:3672 177:5949 178:3587 179:2560 180:2342 181:3344 182:3198 183:1920 184:2354 185:19956 186:5042 187:4504 188:4142 189:3817 190:9140 191:1775 192:11037 193:8756 194:7220 195:5135 196:3218 197:2888 198:6027 199:6080 200:8018 201:6034 202:10390 203:10228 204:4525 205:3497 206:3915 207:3434 208:4071 209:4794 210:4194 211:2342 212:4102 213:3580 214:1107 215:54 216:6460 217:2723 218:1271 219:410 220:2043 221:924 222:650 223:2016 End of report