IPv4 R&E Routing Table Report 21:10 GMT Sat 18 Mar, 2023 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 913323 Prefixes after maximum aggregation (per Origin AS): 346962 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 446672 Number of IPv4 prefixes with a valid ROA: 379711 Number of IPv4 prefixes with an invalid ROA: 2473 Number of IPv4 prefixes with no ROA: 531139 Total ASes present in the Internet Routing Table: 74224 Prefixes per ASN: 12.30 Origin-only ASes present in the Internet Routing Table: 63756 Origin ASes announcing only one prefix: 26118 Transit ASes present in the Internet Routing Table: 10468 Transit-only ASes present in the Internet Routing Table: 458 Paths with bogon ASNs present in the IPv4 Routing Table: 89 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1122 Number of instances of unregistered ASNs: 1140 Number of 32-bit ASNs allocated by the RIRs: 41472 Number of 32-bit ASNs visible in the Routing Table: 34327 Prefixes from 32-bit ASNs in the Routing Table: 168500 Number of bogon 32-bit ASNs visible in the Routing Table: 99 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3062863360 Equivalent to 182 /8s, 143 /16s and 150 /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: 305826 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239170 Total APNIC prefixes after maximum aggregation: 68585 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233736 Unique aggregates announced from the APNIC address blocks: 97768 APNIC Region origin ASes present in the Internet Routing Table: 13338 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3893 APNIC Region transit ASes present in the Internet Routing Table: 1797 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8638 Number of APNIC addresses announced to Internet: 773282816 Equivalent to 46 /8s, 23 /16s and 92 /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: 268163 Total ARIN prefixes after maximum aggregation: 121912 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270296 Unique aggregates announced from the ARIN address blocks: 130247 ARIN Region origin ASes present in the Internet Routing Table: 19063 ARIN Prefixes per ASN: 14.18 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1934 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4754 Number of ARIN addresses announced to Internet: 1286070272 Equivalent to 76 /8s, 167 /16s and 224 /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: 257889 Total RIPE prefixes after maximum aggregation: 121509 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254332 Unique aggregates announced from the RIPE address blocks: 157165 RIPE Region origin ASes present in the Internet Routing Table: 28266 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12014 RIPE Region transit ASes present in the Internet Routing Table: 3904 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11085 Number of RIPE addresses announced to Internet: 718379520 Equivalent to 42 /8s, 209 /16s and 154 /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: 117602 Total LACNIC prefixes after maximum aggregation: 28384 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116991 Unique aggregates announced from the LACNIC address blocks: 48897 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2287 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8779 Number of LACNIC addresses announced to Internet: 176629248 Equivalent to 10 /8s, 135 /16s and 38 /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: 29377 Total AfriNIC prefixes after maximum aggregation: 5783 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 37454 Unique aggregates announced from the AfriNIC address blocks: 12188 AfriNIC Region origin ASes present in the Internet Routing Table: 1723 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 593 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1071 Number of AfriNIC addresses announced to Internet: 108115968 Equivalent to 6 /8s, 113 /16s and 184 /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 9475 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5759 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3544 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3466 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3347 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2854 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2361 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11250 586 KIXS-AS-KR Korea Telecom, KR 4538 2191 4192 73 ERX-CERNET-BKB China Education and Rese 45090 2184 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 8107 10766 2866 AMAZON-02, US 11492 4528 300 621 CABLEONE, US 7155 3966 279 45 VIASAT-SP-BACKBONE, US 22773 3654 3081 300 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3506 1320 64 SHAW, CA 16625 3168 1591 2340 AKAMAI-AS, US 749 3037 50520 2304 DNIC-AS-00749, US 396982 2621 3587 354 GOOGLE-CLOUD-PLATFORM, US 7018 2555 24118 1562 ATT-INTERNET4, US 30036 2507 361 485 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/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 4051 3399 166 AKAMAI-ASN1, NL 8551 3886 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2932 2292 912 ROSTELECOM-AS, RU 9009 2642 251 1384 M247, RO 34984 2268 359 610 TELLCOM-AS, TR 6849 2164 339 19 UKRTELNET, UA 58224 1848 949 545 TCI, IR 13188 1607 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11174 3340 584 Uninet S.A. de C.V., MX 10620 3474 504 880 Telmex Colombia S.A., CO 13999 2292 373 614 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 1101 180 455 Techtel LMDS Comunicaciones Interactiva 26615 1029 2498 45 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1569 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 868 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 508 52 41 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 467 73 5 EthioNet-AS, ET Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11174 3340 584 Uninet S.A. de C.V., MX 9808 9475 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8107 10766 2866 AMAZON-02, US 12479 7068 1705 149 UNI2-AS, ES 7545 5759 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4528 300 621 CABLEONE, US 20940 4051 3399 166 AKAMAI-ASN1, NL 7155 3966 279 45 VIASAT-SP-BACKBONE, US 8551 3886 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9475 9427 CHINAMOBILE-CN China Mobile Communications Grou 12479 7068 6919 UNI2-AS, ES 16509 8107 5241 AMAZON-02, US 7545 5759 5068 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3966 3921 VIASAT-SP-BACKBONE, US 11492 4528 3907 CABLEONE, US 20940 4051 3885 AKAMAI-ASN1, NL 8551 3886 3849 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3544 3479 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID Complete listing at https://bgp.nsrc.org/REN/AARNET/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 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 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/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: 6461 ZAYO-6461, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 6461 ZAYO-6461, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 6461 ZAYO-6461, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 6461 ZAYO-6461, US 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/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:39 /11:103 /12:299 /13:579 /14:1199 /15:2076 /16:13479 /17:8250 /18:13801 /19:25032 /20:43630 /21:51384 /22:109376 /23:97505 /24:546541 /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 5142 11174 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3436 4528 CABLEONE, US 8551 3358 3886 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3314 3506 SHAW, CA 7155 3041 3966 VIASAT-SP-BACKBONE, US 22773 2700 3654 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/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1663 2:1230 3:170 4:5 5:4425 6:118 7:6 8:1531 9:1 11:172 12:1576 13:395 14:2314 15:296 16:111 17:367 18:402 20:249 21:4 22:188 23:6124 24:2526 25:6 27:2572 29:19 31:2506 32:101 34:10 35:106 36:1909 37:4622 38:4362 39:807 40:150 41:3990 42:963 43:2326 44:310 45:16461 46:4229 47:377 49:1732 50:1833 51:570 52:1586 54:389 55:868 56:8 57:94 58:1754 59:1140 60:975 61:2433 62:2623 63:1932 64:5676 65:2312 66:4938 67:3053 68:1362 69:4121 70:1268 71:672 72:2975 74:2596 75:1464 76:606 77:2428 78:1855 79:3164 80:2072 81:1737 82:1502 83:1232 84:1529 85:2996 86:745 87:1960 88:1242 89:3608 90:612 91:7676 92:2018 93:2567 94:3552 95:3975 96:1329 97:331 98:1165 99:748 100:78 101:1068 102:2681 103:31156 104:4611 105:481 106:825 107:2556 108:965 109:4386 110:2065 111:3204 112:2059 113:1499 114:1617 115:2076 116:1895 117:2557 118:2282 119:1981 120:1744 121:1083 122:2602 123:2171 124:1565 125:2461 128:1320 129:1067 130:1013 131:2017 132:842 133:421 134:1904 135:301 136:869 137:1078 138:2576 139:1531 140:1208 141:1478 142:1439 143:1496 144:1164 145:368 146:1932 147:1565 148:2224 149:1958 150:881 151:1149 152:1848 153:567 154:4276 155:1416 156:1689 157:1277 158:1052 159:2269 160:2538 161:1478 162:3560 163:1548 164:1606 165:1709 166:857 167:1727 168:3886 169:934 170:4612 171:873 172:3509 173:2931 174:1020 175:1173 176:3681 177:4608 178:3635 179:2180 180:2451 181:3416 182:3315 183:1934 184:2348 185:20142 186:4722 187:3992 188:4062 189:3593 190:9132 191:1455 192:10972 193:8830 194:7259 195:5130 196:3085 197:2393 198:5959 199:6113 200:7851 201:5873 202:10613 203:10231 204:4624 205:3563 206:3911 207:3457 208:4090 209:4867 210:4363 211:2427 212:4093 213:3548 214:1097 215:58 216:6616 217:2660 218:1306 219:470 220:2014 221:977 222:746 223:2133 End of report