IPv4 R&E Routing Table Report 18:35 GMT Tue 21 Feb, 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: 935556 Prefixes after maximum aggregation (per Origin AS): 348306 Deaggregation factor: 2.69 Unique aggregates announced (without unneeded subnets): 445481 Number of IPv4 prefixes with a valid ROA: 392242 Number of IPv4 prefixes with an invalid ROA: 1296 Number of IPv4 prefixes with no ROA: 542018 Total ASes present in the Internet Routing Table: 74177 Prefixes per ASN: 12.61 Origin-only ASes present in the Internet Routing Table: 63848 Origin ASes announcing only one prefix: 25667 Transit ASes present in the Internet Routing Table: 10329 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 143 Average AS path length visible in the Internet Routing Table: 7.2 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1109 Number of instances of unregistered ASNs: 1130 Number of 32-bit ASNs allocated by the RIRs: 41226 Number of 32-bit ASNs visible in the Routing Table: 34234 Prefixes from 32-bit ASNs in the Routing Table: 174525 Number of bogon 32-bit ASNs visible in the Routing Table: 67 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 617 Number of addresses announced to Internet: 3063285248 Equivalent to 182 /8s, 150 /16s and 6 /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: 322668 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236964 Total APNIC prefixes after maximum aggregation: 68354 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 231877 Unique aggregates announced from the APNIC address blocks: 97497 APNIC Region origin ASes present in the Internet Routing Table: 13278 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 3865 APNIC Region transit ASes present in the Internet Routing Table: 1784 Average APNIC Region AS path length visible: 7.5 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8590 Number of APNIC addresses announced to Internet: 773311232 Equivalent to 46 /8s, 23 /16s and 203 /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: 269364 Total ARIN prefixes after maximum aggregation: 121983 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 271633 Unique aggregates announced from the ARIN address blocks: 130261 ARIN Region origin ASes present in the Internet Routing Table: 19081 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 6975 ARIN Region transit ASes present in the Internet Routing Table: 1911 Average ARIN Region AS path length visible: 6.7 Max ARIN Region AS path length visible: 40 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4750 Number of ARIN addresses announced to Internet: 1286352384 Equivalent to 76 /8s, 172 /16s and 46 /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: 268068 Total RIPE prefixes after maximum aggregation: 123031 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 264377 Unique aggregates announced from the RIPE address blocks: 156300 RIPE Region origin ASes present in the Internet Routing Table: 28261 RIPE Prefixes per ASN: 9.35 RIPE Region origin ASes announcing only one prefix: 12001 RIPE Region transit ASes present in the Internet Routing Table: 3846 Average RIPE Region AS path length visible: 7.1 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11041 Number of RIPE addresses announced to Internet: 718428928 Equivalent to 42 /8s, 210 /16s and 91 /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: 128010 Total LACNIC prefixes after maximum aggregation: 28331 LACNIC Deaggregation factor: 4.52 Prefixes being announced from the LACNIC address blocks: 127105 Unique aggregates announced from the LACNIC address blocks: 48888 LACNIC Region origin ASes present in the Internet Routing Table: 10965 LACNIC Prefixes per ASN: 11.59 LACNIC Region origin ASes announcing only one prefix: 2264 LACNIC Region transit ASes present in the Internet Routing Table: 2264 Average LACNIC Region AS path length visible: 8.0 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8772 Number of LACNIC addresses announced to Internet: 176418560 Equivalent to 10 /8s, 131 /16s and 239 /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: 32041 Total AfriNIC prefixes after maximum aggregation: 5823 AfriNIC Deaggregation factor: 5.50 Prefixes being announced from the AfriNIC address blocks: 39947 Unique aggregates announced from the AfriNIC address blocks: 12075 AfriNIC Region origin ASes present in the Internet Routing Table: 1740 AfriNIC Prefixes per ASN: 22.96 AfriNIC Region origin ASes announcing only one prefix: 562 AfriNIC Region transit ASes present in the Internet Routing Table: 337 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1081 Number of AfriNIC addresses announced to Internet: 108423424 Equivalent to 6 /8s, 118 /16s and 105 /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 9454 8883 49 CHINAMOBILE-CN China Mobile Communicati 7545 5821 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3667 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3458 1872 94 VNPT-AS-VN VNPT Corp, VN 7713 3409 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2792 499 240 BBIL-AP BHARTI Airtel Ltd., IN 24560 2357 836 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2298 11250 586 KIXS-AS-KR Korea Telecom, KR 45090 2166 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2140 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 7944 10725 2891 AMAZON-02, US 11492 4526 300 620 CABLEONE, US 7155 3958 270 43 VIASAT-SP-BACKBONE, US 22773 3651 3048 286 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3319 1674 2423 AKAMAI-AS, US 749 3036 50571 2303 DNIC-AS-00749, US 396982 2609 3586 355 GOOGLE-CLOUD-PLATFORM, US 7018 2584 24139 1578 ATT-INTERNET4, US 30036 2533 363 425 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 7065 1706 146 UNI2-AS, ES 9121 5937 1692 17 TTNET, TR 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4052 3399 171 AKAMAI-ASN1, NL 8551 3897 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2292 911 ROSTELECOM-AS, RU 9009 2659 253 1378 M247, RO 47331 2490 377 1877 TTNET, TR 34984 2264 359 608 TELLCOM-AS, TR 6849 2094 339 19 UKRTELNET, 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 11145 3348 581 Uninet S.A. de C.V., MX 10620 3477 507 862 Telmex Colombia S.A., CO 11830 2263 369 65 Instituto Costarricense de Electricidad 13999 2261 376 603 Mega Cable, S.A. de C.V., MX 28573 1343 2325 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1297 339 517 Axtel, S.A.B. de C.V., MX 3816 1292 746 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 457 Techtel LMDS Comunicaciones Interactiva 26615 1020 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 24835 1542 533 30 RAYA-AS, EG 24863 1483 393 19 LINKdotNET-AS, EG 36992 1347 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1001 67 53 ORANGE-COTE-IVOIRE, CI 36935 886 520 42 Vodafone-, EG 37457 838 325 49 Telkom-Internet, ZA 6713 550 1861 34 IAM-AS, MA 15399 514 53 40 WANANCHI-, KE 24757 497 73 5 EthioNet-AS, ET 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 11145 3348 581 Uninet S.A. de C.V., MX 9808 9454 8883 49 CHINAMOBILE-CN China Mobile Communicati 16509 7944 10725 2891 AMAZON-02, US 12479 7065 1706 146 UNI2-AS, ES 9121 5937 1692 17 TTNET, TR 7545 5821 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4526 300 620 CABLEONE, US 20940 4052 3399 171 AKAMAI-ASN1, NL 7155 3958 270 43 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 9454 9405 CHINAMOBILE-CN China Mobile Communications Grou 12479 7065 6919 UNI2-AS, ES 9121 5937 5920 TTNET, TR 7545 5821 5127 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7944 5053 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 7155 3958 3915 VIASAT-SP-BACKBONE, US 11492 4526 3906 CABLEONE, US 20940 4052 3881 AKAMAI-ASN1, NL 8551 3897 3860 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 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, 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 1618 UNALLOCATED 8.21.143.0/24 136796 CL-JP-AS CORELINK JAPAN, JP 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 /12:300 /13:579 /14:1210 /15:2100 /16:13550 /17:8339 /18:14030 /19:25248 /20:43885 /21:52967 /22:111058 /23:101634 /24:560486 /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 6125 7065 UNI2-AS, ES 8151 5152 11145 Uninet S.A. de C.V., MX 9121 5136 5937 TTNET, TR 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3442 4526 CABLEONE, US 8551 3369 3897 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 3035 3958 VIASAT-SP-BACKBONE, US 22773 2703 3651 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2190 2533 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1635 2:1227 3:168 4:7 5:4431 6:115 7:5 8:1553 9:1 11:172 12:1584 13:378 14:2341 15:293 16:103 17:365 18:391 20:253 21:4 22:188 23:6083 24:2565 25:6 27:2596 29:19 31:2535 32:112 34:8 35:106 36:1915 37:4655 38:4262 39:841 40:153 41:4470 42:1056 43:2343 44:308 45:17570 46:4212 47:380 49:1742 50:1839 51:387 52:1583 54:396 55:842 56:8 57:96 58:1738 59:1119 60:985 61:2507 62:2717 63:1942 64:5688 65:2334 66:5021 67:3069 68:1378 69:4179 70:1258 71:668 72:3061 74:2618 75:1466 76:604 77:2517 78:3896 79:3171 80:2089 81:1890 82:1505 83:1254 84:1520 85:3732 86:755 87:2062 88:2836 89:3665 90:612 91:7771 92:2022 93:2607 94:3571 95:4850 96:1333 97:345 98:1167 99:744 100:75 101:1300 102:2958 103:31101 104:4546 105:899 106:833 107:2537 108:925 109:4413 110:2081 111:3276 112:2042 113:1523 114:1626 115:2087 116:1891 117:2563 118:2297 119:1954 120:1740 121:1062 122:2615 123:2177 124:1556 125:2342 128:1351 129:1136 130:1013 131:2177 132:843 133:412 134:1912 135:337 136:864 137:950 138:2848 139:1542 140:1187 141:1472 142:1428 143:1559 144:1214 145:352 146:1900 147:1571 148:2303 149:1919 150:882 151:1145 152:1961 153:567 154:4009 155:1426 156:1693 157:1309 158:1009 159:2263 160:2637 161:1457 162:3577 163:1550 164:1623 165:1718 166:844 167:1737 168:4127 169:951 170:4975 171:884 172:3519 173:2994 174:1035 175:1185 176:3780 177:5960 178:3532 179:2540 180:2384 181:3470 182:3241 183:1914 184:2357 185:20237 186:5092 187:4536 188:4256 189:3957 190:9247 191:1862 192:10982 193:8847 194:7293 195:5204 196:3182 197:2776 198:5952 199:6143 200:8033 201:6127 202:10476 203:10165 204:4612 205:3505 206:3920 207:3439 208:4097 209:4854 210:4258 211:2402 212:4167 213:3583 214:1091 215:55 216:6647 217:2738 218:1280 219:406 220:1763 221:975 222:668 223:2127 End of report