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 24 Sep, 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: 925993 Prefixes after maximum aggregation (per Origin AS): 343261 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 439800 Number of IPv4 prefixes with a valid ROA: 369197 Number of IPv4 prefixes with an invalid ROA: 3016 Number of IPv4 prefixes with no ROA: 553780 Total ASes present in the Internet Routing Table: 73771 Prefixes per ASN: 12.55 Origin-only ASes present in the Internet Routing Table: 63228 Origin ASes announcing only one prefix: 25582 Transit ASes present in the Internet Routing Table: 10543 Transit-only ASes present in the Internet Routing Table: 421 Paths with bogon ASNs present in the IPv4 Routing Table: 137 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: 1165 Number of instances of unregistered ASNs: 1168 Number of 32-bit ASNs allocated by the RIRs: 40239 Number of 32-bit ASNs visible in the Routing Table: 33427 Prefixes from 32-bit ASNs in the Routing Table: 166922 Number of bogon 32-bit ASNs visible in the Routing Table: 55 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 558 Number of addresses announced to Internet: 3067475456 Equivalent to 182 /8s, 213 /16s and 246 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 319212 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234702 Total APNIC prefixes after maximum aggregation: 67206 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 229660 Unique aggregates announced from the APNIC address blocks: 96402 APNIC Region origin ASes present in the Internet Routing Table: 12945 APNIC Prefixes per ASN: 17.74 APNIC Region origin ASes announcing only one prefix: 3741 APNIC Region transit ASes present in the Internet Routing Table: 1768 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8210 Number of APNIC addresses announced to Internet: 772914176 Equivalent to 46 /8s, 17 /16s and 188 /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: 267489 Total ARIN prefixes after maximum aggregation: 121654 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268329 Unique aggregates announced from the ARIN address blocks: 128253 ARIN Region origin ASes present in the Internet Routing Table: 19075 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1944 Average ARIN Region AS path length visible: 5.5 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4616 Number of ARIN addresses announced to Internet: 1291993088 Equivalent to 77 /8s, 2 /16s and 64 /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: 264522 Total RIPE prefixes after maximum aggregation: 120056 RIPE Deaggregation factor: 2.20 Prefixes being announced from the RIPE address blocks: 261525 Unique aggregates announced from the RIPE address blocks: 153832 RIPE Region origin ASes present in the Internet Routing Table: 28222 RIPE Prefixes per ASN: 9.27 RIPE Region origin ASes announcing only one prefix: 12007 RIPE Region transit ASes present in the Internet Routing Table: 4027 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10835 Number of RIPE addresses announced to Internet: 718199296 Equivalent to 42 /8s, 206 /16s and 218 /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: 125875 Total LACNIC prefixes after maximum aggregation: 27831 LACNIC Deaggregation factor: 4.52 Prefixes being announced from the LACNIC address blocks: 125429 Unique aggregates announced from the LACNIC address blocks: 49000 LACNIC Region origin ASes present in the Internet Routing Table: 10984 LACNIC Prefixes per ASN: 11.42 LACNIC Region origin ASes announcing only one prefix: 2325 LACNIC Region transit ASes present in the Internet Routing Table: 2262 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: 8741 Number of LACNIC addresses announced to Internet: 176191232 Equivalent to 10 /8s, 128 /16s and 119 /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: 32240 Total AfriNIC prefixes after maximum aggregation: 5668 AfriNIC Deaggregation factor: 5.69 Prefixes being announced from the AfriNIC address blocks: 40492 Unique aggregates announced from the AfriNIC address blocks: 11859 AfriNIC Region origin ASes present in the Internet Routing Table: 1696 AfriNIC Prefixes per ASN: 23.88 AfriNIC Region origin ASes announcing only one prefix: 552 AfriNIC Region transit ASes present in the Internet Routing Table: 323 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: 1025 Number of AfriNIC addresses announced to Internet: 107881472 Equivalent to 6 /8s, 110 /16s and 36 /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 5886 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3514 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3469 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2452 499 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2224 11123 593 KIXS-AS-KR Korea Telecom, KR 24560 2222 854 409 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2188 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2128 425 216 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 7230 10537 2831 AMAZON-02, US 11492 4546 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3776 3048 343 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3533 1842 2536 AKAMAI-AS, US 6327 3479 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2608 369 263 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2536 3387 368 GOOGLE-CLOUD-PLATFORM, US 209 2348 4934 394 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 6905 1730 144 UNI2-AS, ES 9121 6776 1692 17 TTNET, TR 20940 4069 3360 199 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2915 2290 910 ROSTELECOM-AS, RU 6849 2628 339 20 UKRTELNET, UA 9009 2608 252 1340 M247, GB 34984 2257 358 633 TELLCOM-AS, TR 47331 1982 312 1498 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 10979 3391 561 Uninet S.A. de C.V., MX 10620 3507 515 788 Telmex Colombia S.A., CO 11830 2321 369 65 Instituto Costarricense de Electricidad 13999 2010 328 517 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1293 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1139 369 21 Telefonica del Peru S.A.A., PE 11664 1061 179 466 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 1623 326 59 Telkom-Internet, ZA 24863 1582 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 996 68 32 ORANGE-COTE-IVOIRE, CI 36935 814 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 499 51 32 WANANCHI-, KE 36914 483 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 10979 3391 561 Uninet S.A. de C.V., MX 9808 9060 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7230 10537 2831 AMAZON-02, US 12479 6905 1730 144 UNI2-AS, ES 9121 6776 1692 17 TTNET, TR 7545 5886 786 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4546 301 591 CABLEONE, US 20940 4069 3360 199 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 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 12479 6905 6761 UNI2-AS, ES 9121 6776 6759 TTNET, TR 7545 5886 5189 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7230 4399 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4546 3955 CABLEONE, US 8551 3988 3950 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4069 3870 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 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 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 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 /11:101 /12:298 /13:587 /14:1207 /15:2119 /16:13574 /17:8396 /18:14129 /19:25210 /20:44054 /21:53028 /22:110316 /23:100532 /24:552375 /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 5922 6776 TTNET, TR 12479 5909 6905 UNI2-AS, ES 8151 4720 10979 Uninet S.A. de C.V., MX 11492 3466 4546 CABLEONE, US 8551 3452 3988 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3288 3479 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2802 3776 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2478 2628 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1903 2:1027 3:163 4:7 5:4054 6:116 7:6 8:1602 9:1 11:173 12:1627 13:345 14:2363 15:263 16:65 17:362 18:318 20:243 21:4 22:188 23:5973 24:2501 25:6 27:2738 29:19 31:2450 32:96 34:7 35:89 36:1896 37:4530 38:3599 39:752 40:163 41:4410 42:1158 43:2261 44:295 45:17214 46:4229 47:308 48:1 49:1755 50:1943 51:243 52:1494 54:387 55:845 56:8 57:79 58:1795 59:1114 60:980 61:2395 62:2637 63:1925 64:5648 65:2331 66:4995 67:3013 68:1233 69:4205 70:1297 71:694 72:3056 74:2677 75:1495 76:592 77:2379 78:4039 79:3137 80:2088 81:1821 82:1516 83:1218 84:1413 85:3752 86:731 87:2021 88:2814 89:3462 90:556 91:7684 92:2066 93:2564 94:3602 95:4810 96:1312 97:348 98:1039 99:722 100:75 101:1301 102:2676 103:30239 104:4583 105:1721 106:885 107:2531 108:905 109:4336 110:1984 111:3278 112:2043 113:1519 114:1527 115:2132 116:1890 117:2500 118:2331 119:1836 120:1709 121:1041 122:2552 123:2140 124:1530 125:2127 128:1251 129:1081 130:984 131:2210 132:840 133:378 134:1941 135:336 136:814 137:894 138:2776 139:1515 140:991 141:1462 142:1348 143:1480 144:1196 145:345 146:1866 147:1534 148:2229 149:1826 150:882 151:1107 152:1947 153:552 154:3882 155:1428 156:1708 157:1294 158:1047 159:2206 160:2610 161:1353 162:3524 163:1431 164:1711 165:1681 166:788 167:1739 168:4091 169:898 170:4883 171:848 172:3377 173:3132 174:1021 175:1185 176:3682 177:5796 178:3598 179:2572 180:2343 181:3359 182:3194 183:1905 184:2361 185:19915 186:4973 187:4464 188:4120 189:3782 190:9102 191:1718 192:11031 193:8744 194:7212 195:5141 196:3197 197:2878 198:5994 199:6068 200:8019 201:6026 202:10394 203:10235 204:4527 205:3487 206:3912 207:3429 208:4080 209:4785 210:4221 211:2353 212:4131 213:3497 214:1115 215:55 216:6463 217:2738 218:1267 219:406 220:2035 221:947 222:656 223:1980 End of report