IPv4 R&E Routing Table Report 18:35 GMT Mon 20 Mar, 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: 929896 Prefixes after maximum aggregation (per Origin AS): 346645 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 446464 Number of IPv4 prefixes with a valid ROA: 388961 Number of IPv4 prefixes with an invalid ROA: 1354 Number of IPv4 prefixes with no ROA: 539581 Total ASes present in the Internet Routing Table: 74277 Prefixes per ASN: 12.52 Origin-only ASes present in the Internet Routing Table: 63681 Origin ASes announcing only one prefix: 25695 Transit ASes present in the Internet Routing Table: 10596 Transit-only ASes present in the Internet Routing Table: 454 Paths with bogon ASNs present in the IPv4 Routing Table: 145 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 164 Max AS path prepend of ASN ( 51156) 160 Prefixes from unregistered ASNs in the Routing Table: 1139 Number of instances of unregistered ASNs: 1160 Number of 32-bit ASNs allocated by the RIRs: 41479 Number of 32-bit ASNs visible in the Routing Table: 34364 Prefixes from 32-bit ASNs in the Routing Table: 175098 Number of bogon 32-bit ASNs visible in the Routing Table: 100 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 522 Number of addresses announced to Internet: 3062878720 Equivalent to 182 /8s, 143 /16s and 210 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 316267 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237574 Total APNIC prefixes after maximum aggregation: 68393 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 232132 Unique aggregates announced from the APNIC address blocks: 97638 APNIC Region origin ASes present in the Internet Routing Table: 13329 APNIC Prefixes per ASN: 17.42 APNIC Region origin ASes announcing only one prefix: 3886 APNIC Region transit ASes present in the Internet Routing Table: 1786 Average APNIC Region AS path length visible: 6.0 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8647 Number of APNIC addresses announced to Internet: 773259264 Equivalent to 46 /8s, 23 /16s and 0 /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: 269844 Total ARIN prefixes after maximum aggregation: 121872 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 272274 Unique aggregates announced from the ARIN address blocks: 130154 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.27 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1971 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4758 Number of ARIN addresses announced to Internet: 1286168832 Equivalent to 76 /8s, 169 /16s and 97 /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: 261291 Total RIPE prefixes after maximum aggregation: 121550 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 257421 Unique aggregates announced from the RIPE address blocks: 157044 RIPE Region origin ASes present in the Internet Routing Table: 28306 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 11999 RIPE Region transit ASes present in the Internet Routing Table: 3984 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 164 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11109 Number of RIPE addresses announced to Internet: 718275840 Equivalent to 42 /8s, 208 /16s and 5 /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: 127981 Total LACNIC prefixes after maximum aggregation: 28183 LACNIC Deaggregation factor: 4.54 Prefixes being announced from the LACNIC address blocks: 127191 Unique aggregates announced from the LACNIC address blocks: 48988 LACNIC Region origin ASes present in the Internet Routing Table: 10967 LACNIC Prefixes per ASN: 11.60 LACNIC Region origin ASes announcing only one prefix: 2269 LACNIC Region transit ASes present in the Internet Routing Table: 2316 Average LACNIC Region AS path length visible: 6.4 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8771 Number of LACNIC addresses announced to Internet: 176613632 Equivalent to 10 /8s, 134 /16s and 233 /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: 32067 Total AfriNIC prefixes after maximum aggregation: 5843 AfriNIC Deaggregation factor: 5.49 Prefixes being announced from the AfriNIC address blocks: 40356 Unique aggregates announced from the AfriNIC address blocks: 12224 AfriNIC Region origin ASes present in the Internet Routing Table: 1737 AfriNIC Prefixes per ASN: 23.23 AfriNIC Region origin ASes announcing only one prefix: 560 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1079 Number of AfriNIC addresses announced to Internet: 108172800 Equivalent to 6 /8s, 114 /16s and 150 /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 9491 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5758 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3687 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3447 1872 94 VNPT-AS-VN VNPT Corp, VN 7713 3408 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2858 499 240 BBIL-AP BHARTI Airtel Ltd., IN 24560 2361 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2309 11250 588 KIXS-AS-KR Korea Telecom, KR 45090 2166 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2144 439 210 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 8086 10761 2869 AMAZON-02, US 11492 4528 300 621 CABLEONE, US 7155 3963 279 45 VIASAT-SP-BACKBONE, US 22773 3647 3048 297 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3505 1320 64 SHAW, CA 16625 3191 1607 2353 AKAMAI-AS, US 749 3037 50520 2304 DNIC-AS-00749, US 396982 2621 3587 354 GOOGLE-CLOUD-PLATFORM, US 7018 2566 24119 1572 ATT-INTERNET4, US 30036 2507 361 485 MEDIACOM-ENTERPRISE-BUSINESS, 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 7068 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4059 3399 170 AKAMAI-ASN1, NL 8551 3889 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2292 912 ROSTELECOM-AS, RU 9009 2669 253 1397 M247, RO 34984 2268 359 610 TELLCOM-AS, TR 6849 2169 339 19 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1607 100 27 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 11169 3340 582 Uninet S.A. de C.V., MX 10620 3474 504 880 Telmex Colombia S.A., CO 13999 2292 373 608 Mega Cable, S.A. de C.V., MX 11830 2263 369 64 Instituto Costarricense de Electricidad 28573 1368 2324 245 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 763 161 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1096 180 459 Techtel LMDS Comunicaciones Interactiva 26615 1029 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 1570 393 19 LINKdotNET-AS, EG 24835 1542 533 30 RAYA-AS, EG 36992 1343 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1016 67 53 ORANGE-COTE-IVOIRE, CI 36935 880 520 42 Vodafone-, EG 37457 838 325 49 Telkom-Internet, ZA 6713 549 1861 34 IAM-AS, MA 15399 523 53 42 WANANCHI-, KE 37342 493 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 11169 3340 582 Uninet S.A. de C.V., MX 9808 9491 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8086 10761 2869 AMAZON-02, US 12479 7068 1705 149 UNI2-AS, ES 7545 5758 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4528 300 621 CABLEONE, US 20940 4059 3399 170 AKAMAI-ASN1, NL 7155 3963 279 45 VIASAT-SP-BACKBONE, US 8551 3889 370 37 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 9491 9443 CHINAMOBILE-CN China Mobile Communications Grou 12479 7068 6919 UNI2-AS, ES 16509 8086 5217 AMAZON-02, US 7545 5758 5067 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3963 3918 VIASAT-SP-BACKBONE, US 11492 4528 3907 CABLEONE, US 20940 4059 3889 AKAMAI-ASN1, NL 8551 3889 3852 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3687 3666 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 64512 PRIVATE 8.10.33.0/24 14127 ILAND, 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 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 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 Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /11:103 /12:299 /13:577 /14:1209 /15:2100 /16:13544 /17:8310 /18:13995 /19:25198 /20:43764 /21:52211 /22:110184 /23:100791 /24:557544 /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 6126 7068 UNI2-AS, ES 8151 5137 11169 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3436 4528 CABLEONE, US 8551 3361 3889 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3314 3505 SHAW, CA 7155 3038 3963 VIASAT-SP-BACKBONE, US 22773 2697 3647 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2164 2507 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2028 3474 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) ---------------------------------------------- 1:1670 2:1217 3:170 4:7 5:4529 6:113 7:6 8:1555 9:1 11:172 12:1578 13:390 14:2309 15:296 16:111 17:367 18:402 20:253 21:4 22:188 23:6136 24:2565 25:6 27:2576 29:19 31:2541 32:108 34:10 35:106 36:1915 37:4648 38:4443 39:808 40:150 41:4468 42:954 43:2350 44:315 45:17623 46:4288 47:376 49:1743 50:1843 51:571 52:1587 54:388 55:859 56:8 57:99 58:1749 59:1084 60:973 61:2476 62:2722 63:1941 64:5680 65:2328 66:5021 67:3056 68:1379 69:4155 70:1267 71:672 72:3050 74:2615 75:1471 76:605 77:2533 78:1912 79:3165 80:2088 81:1769 82:1504 83:1244 84:1530 85:3031 86:745 87:2052 88:1281 89:3647 90:614 91:7761 92:2020 93:2588 94:3619 95:3985 96:1327 97:331 98:1169 99:749 100:77 101:1304 102:2962 103:31282 104:4627 105:897 106:882 107:2555 108:981 109:4408 110:2062 111:3182 112:2065 113:1524 114:1633 115:2088 116:1900 117:2559 118:2287 119:1983 120:1750 121:1063 122:2614 123:2176 124:1570 125:2415 128:1337 129:1138 130:1027 131:2177 132:844 133:421 134:1904 135:343 136:869 137:947 138:2850 139:1523 140:1223 141:1481 142:1442 143:1566 144:1171 145:357 146:1937 147:1576 148:2332 149:1969 150:880 151:1151 152:1960 153:571 154:4347 155:1421 156:1697 157:1286 158:1045 159:2268 160:2617 161:1501 162:3569 163:1555 164:1637 165:1737 166:853 167:1728 168:4126 169:957 170:4965 171:887 172:3516 173:2950 174:1021 175:1185 176:3729 177:6005 178:3659 179:2528 180:2411 181:3482 182:3317 183:1916 184:2348 185:20322 186:5105 187:4563 188:4184 189:4007 190:9243 191:1943 192:10995 193:8856 194:7319 195:5216 196:3291 197:2748 198:5956 199:6129 200:8142 201:6125 202:10532 203:10320 204:4616 205:3555 206:3997 207:3450 208:4097 209:4879 210:4240 211:2383 212:4139 213:3553 214:1096 215:58 216:6637 217:2745 218:1283 219:413 220:1755 221:976 222:680 223:2142 End of report