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 13 May, 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: 940176 Prefixes after maximum aggregation (per Origin AS): 348823 Deaggregation factor: 2.70 Unique aggregates announced (without unneeded subnets): 448522 Number of IPv4 prefixes with a valid ROA: 408643 Number of IPv4 prefixes with an invalid ROA: 3063 Number of IPv4 prefixes with no ROA: 528470 Total ASes present in the Internet Routing Table: 74429 Prefixes per ASN: 12.63 Origin-only ASes present in the Internet Routing Table: 64181 Origin ASes announcing only one prefix: 25753 Transit ASes present in the Internet Routing Table: 10248 Transit-only ASes present in the Internet Routing Table: 423 Paths with bogon ASNs present in the IPv4 Routing Table: 157 Average AS path length visible in the Internet Routing Table: 7.8 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1125 Number of instances of unregistered ASNs: 1126 Number of 32-bit ASNs allocated by the RIRs: 41860 Number of 32-bit ASNs visible in the Routing Table: 34594 Prefixes from 32-bit ASNs in the Routing Table: 178044 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 632 Number of addresses announced to Internet: 3057829376 Equivalent to 182 /8s, 66 /16s and 198 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 319660 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241705 Total APNIC prefixes after maximum aggregation: 68698 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 235991 Unique aggregates announced from the APNIC address blocks: 97762 APNIC Region origin ASes present in the Internet Routing Table: 13394 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3931 APNIC Region transit ASes present in the Internet Routing Table: 1785 Average APNIC Region AS path length visible: 8.0 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8730 Number of APNIC addresses announced to Internet: 773118976 Equivalent to 46 /8s, 20 /16s and 220 /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: 272523 Total ARIN prefixes after maximum aggregation: 122240 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 275533 Unique aggregates announced from the ARIN address blocks: 130227 ARIN Region origin ASes present in the Internet Routing Table: 19099 ARIN Prefixes per ASN: 14.43 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1867 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: 4790 Number of ARIN addresses announced to Internet: 1281439488 Equivalent to 76 /8s, 97 /16s and 55 /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: 263793 Total RIPE prefixes after maximum aggregation: 122678 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 259458 Unique aggregates announced from the RIPE address blocks: 158408 RIPE Region origin ASes present in the Internet Routing Table: 28362 RIPE Prefixes per ASN: 9.15 RIPE Region origin ASes announcing only one prefix: 12022 RIPE Region transit ASes present in the Internet Routing Table: 3828 Average RIPE Region AS path length visible: 7.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11195 Number of RIPE addresses announced to Internet: 718324992 Equivalent to 42 /8s, 208 /16s and 197 /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: 129226 Total LACNIC prefixes after maximum aggregation: 28512 LACNIC Deaggregation factor: 4.53 Prefixes being announced from the LACNIC address blocks: 128363 Unique aggregates announced from the LACNIC address blocks: 49337 LACNIC Region origin ASes present in the Internet Routing Table: 11002 LACNIC Prefixes per ASN: 11.67 LACNIC Region origin ASes announcing only one prefix: 2258 LACNIC Region transit ASes present in the Internet Routing Table: 2274 Average LACNIC Region AS path length visible: 8.3 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8788 Number of LACNIC addresses announced to Internet: 176746496 Equivalent to 10 /8s, 136 /16s and 240 /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: 31804 Total AfriNIC prefixes after maximum aggregation: 5878 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 40199 Unique aggregates announced from the AfriNIC address blocks: 12260 AfriNIC Region origin ASes present in the Internet Routing Table: 1747 AfriNIC Prefixes per ASN: 23.01 AfriNIC Region origin ASes announcing only one prefix: 571 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 6.6 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1091 Number of AfriNIC addresses announced to Internet: 107784960 Equivalent to 6 /8s, 108 /16s and 171 /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 9469 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5721 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3676 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3562 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2961 491 241 BBIL-AP BHARTI Airtel Ltd., IN 24560 2394 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 18403 2322 347 25 FPT-AS-AP FPT Telecom Company, VN 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 45090 2184 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 8295 10781 2926 AMAZON-02, US 11492 4535 300 609 CABLEONE, US 7155 4010 281 51 VIASAT-SP-BACKBONE, US 22773 3585 3057 283 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 64 SHAW, CA 16625 3118 1576 2364 AKAMAI-AS, US 749 3100 54980 2352 DNIC-AS-00749, US 396982 2641 3591 368 GOOGLE-CLOUD-PLATFORM, US 30036 2497 360 466 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2496 24147 1568 ATT-INTERNET4, 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 7298 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4101 3399 167 AKAMAI-ASN1, NL 8551 3884 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2924 2292 910 ROSTELECOM-AS, RU 9009 2729 253 1409 M247, RO 34984 2279 360 611 TELLCOM-AS, TR 6849 2052 307 17 UKRTELNET, UA 58224 1850 949 534 TCI, IR 13188 1607 100 18 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 11279 3327 610 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2350 361 620 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1330 2323 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1098 180 447 Techtel LMDS Comunicaciones Interactiva 26615 1035 2498 45 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 1601 393 19 LINKdotNET-AS, EG 24835 1499 533 30 RAYA-AS, EG 36992 1339 1518 276 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1025 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 37457 819 325 49 Telkom-Internet, ZA 6713 550 1861 34 IAM-AS, MA 15399 528 54 42 WANANCHI-, KE 36914 514 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 11279 3327 610 Uninet S.A. de C.V., MX 9808 9469 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8295 10781 2926 AMAZON-02, US 12479 7298 1707 141 UNI2-AS, ES 7545 5721 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4535 300 609 CABLEONE, US 20940 4101 3399 167 AKAMAI-ASN1, NL 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7155 4010 281 51 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 9469 9432 CHINAMOBILE-CN China Mobile Communications Grou 12479 7298 7157 UNI2-AS, ES 16509 8295 5369 AMAZON-02, US 7545 5721 5031 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4055 4008 VNPT-AS-VN VNPT Corp, VN 7155 4010 3959 VIASAT-SP-BACKBONE, US 20940 4101 3934 AKAMAI-ASN1, NL 11492 4535 3926 CABLEONE, US 8551 3884 3847 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 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 62828 UNALLOCATED 8.21.130.0/24 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 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 /11:104 /12:301 /13:577 /14:1206 /15:2113 /16:13542 /17:8281 /18:14441 /19:25214 /20:44048 /21:52236 /22:110775 /23:101689 /24:565581 /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 6362 7298 UNI2-AS, ES 8151 5236 11279 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3443 4535 CABLEONE, US 8551 3356 3884 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3525 SHAW, CA 7155 3069 4010 VIASAT-SP-BACKBONE, US 22773 2650 3585 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2070 3517 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) ---------------------------------------------- 1:1806 2:1313 3:174 4:7 5:4635 6:128 7:6 8:1560 9:1 11:172 12:1536 13:385 14:2329 15:300 16:189 17:372 18:421 20:262 21:4 22:188 23:6253 24:3000 25:6 27:2568 29:19 31:2533 32:83 34:12 35:108 36:1968 37:4724 38:4661 39:844 40:151 41:4393 42:1272 43:2372 44:312 45:17609 46:4382 47:363 49:1756 50:1876 51:567 52:1601 54:394 55:774 56:8 57:125 58:1793 59:1109 60:987 61:2562 62:2793 63:1928 64:5827 65:2339 66:5156 67:3031 68:1360 69:4139 70:1415 71:678 72:3067 74:2637 75:1584 76:606 77:2573 78:1881 79:3176 80:2146 81:1805 82:1511 83:1300 84:1529 85:3029 86:769 87:2038 88:1219 89:3752 90:617 91:7866 92:2069 93:2627 94:3694 95:4047 96:1311 97:337 98:1154 99:744 100:73 101:1308 102:3016 103:31528 104:4682 105:885 106:939 107:2526 108:1052 109:4451 110:2105 111:3113 112:2037 113:1622 114:1659 115:2094 116:1902 117:2572 118:2395 119:2015 120:1797 121:1086 122:2620 123:2175 124:1561 125:2485 128:1426 129:1164 130:1040 131:2199 132:858 133:422 134:1926 135:347 136:875 137:968 138:2876 139:1555 140:1248 141:1456 142:1448 143:1604 144:1166 145:347 146:1967 147:1589 148:2381 149:2252 150:889 151:1161 152:1970 153:569 154:4510 155:1456 156:1776 157:1317 158:1076 159:2303 160:2616 161:1536 162:3533 163:1581 164:1674 165:1795 166:1048 167:1745 168:4142 169:960 170:4998 171:879 172:3568 173:2944 174:1075 175:1196 176:3771 177:6045 178:3611 179:2588 180:2582 181:3544 182:3354 183:1967 184:2347 185:20441 186:5245 187:4599 188:4236 189:4010 190:9299 191:1940 192:10942 193:8927 194:7395 195:5259 196:3284 197:2731 198:5958 199:6119 200:8396 201:6167 202:10616 203:10497 204:4598 205:3691 206:4337 207:3470 208:4114 209:4913 210:4264 211:2431 212:4188 213:3655 214:1093 215:59 216:6691 217:2798 218:1295 219:414 220:1998 221:978 222:713 223:2155 End of report