IPv4 R&E Routing Table Report 21:10 GMT Sat 21 Jan, 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: 917458 Prefixes after maximum aggregation (per Origin AS): 347118 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 445046 Number of IPv4 prefixes with a valid ROA: 377664 Number of IPv4 prefixes with an invalid ROA: 2826 Number of IPv4 prefixes with no ROA: 536968 Total ASes present in the Internet Routing Table: 74079 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63661 Origin ASes announcing only one prefix: 26128 Transit ASes present in the Internet Routing Table: 10418 Transit-only ASes present in the Internet Routing Table: 425 Paths with bogon ASNs present in the IPv4 Routing Table: 55 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: 983 Number of instances of unregistered ASNs: 994 Number of 32-bit ASNs allocated by the RIRs: 41080 Number of 32-bit ASNs visible in the Routing Table: 34065 Prefixes from 32-bit ASNs in the Routing Table: 166835 Number of bogon 32-bit ASNs visible in the Routing Table: 55 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 502 Number of addresses announced to Internet: 3063140864 Equivalent to 182 /8s, 147 /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: 311554 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238054 Total APNIC prefixes after maximum aggregation: 68340 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233172 Unique aggregates announced from the APNIC address blocks: 97704 APNIC Region origin ASes present in the Internet Routing Table: 13244 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3840 APNIC Region transit ASes present in the Internet Routing Table: 1780 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8518 Number of APNIC addresses announced to Internet: 773339648 Equivalent to 46 /8s, 24 /16s and 58 /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: 267269 Total ARIN prefixes after maximum aggregation: 121585 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269221 Unique aggregates announced from the ARIN address blocks: 129784 ARIN Region origin ASes present in the Internet Routing Table: 19077 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6993 ARIN Region transit ASes present in the Internet Routing Table: 1943 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4728 Number of ARIN addresses announced to Internet: 1286130432 Equivalent to 76 /8s, 168 /16s and 203 /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: 264304 Total RIPE prefixes after maximum aggregation: 122348 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260735 Unique aggregates announced from the RIPE address blocks: 156102 RIPE Region origin ASes present in the Internet Routing Table: 28236 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3916 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10996 Number of RIPE addresses announced to Internet: 719146496 Equivalent to 42 /8s, 221 /16s and 78 /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: 117745 Total LACNIC prefixes after maximum aggregation: 28392 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116924 Unique aggregates announced from the LACNIC address blocks: 49047 LACNIC Region origin ASes present in the Internet Routing Table: 11002 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2272 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: 8772 Number of LACNIC addresses announced to Internet: 176201728 Equivalent to 10 /8s, 128 /16s and 160 /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: 29103 Total AfriNIC prefixes after maximum aggregation: 5694 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36903 Unique aggregates announced from the AfriNIC address blocks: 12001 AfriNIC Region origin ASes present in the Internet Routing Table: 1706 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 588 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1051 Number of AfriNIC addresses announced to Internet: 108033536 Equivalent to 6 /8s, 112 /16s and 118 /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 9440 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5944 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3568 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3095 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2713 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11250 588 KIXS-AS-KR Korea Telecom, KR 4538 2264 4192 73 ERX-CERNET-BKB China Education and Rese 45090 2183 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 7835 10713 2927 AMAZON-02, US 11492 4530 300 601 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3693 3066 323 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3500 1320 63 SHAW, CA 16625 3462 1784 2511 AKAMAI-AS, US 749 3024 50575 2291 DNIC-AS-00749, US 7018 2591 24128 1567 ATT-INTERNET4, US 396982 2581 3494 370 GOOGLE-CLOUD-PLATFORM, US 30036 2570 368 356 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 6966 1705 145 UNI2-AS, ES 9121 6165 1692 17 TTNET, TR 39891 4557 269 60 ALJAWWALSTC-AS, SA 20940 4055 3399 174 AKAMAI-ASN1, NL 8551 3903 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2918 2290 908 ROSTELECOM-AS, RU 9009 2694 256 1359 M247, RO 47331 2657 384 2001 TTNET, TR 34984 2253 358 609 TELLCOM-AS, TR 6849 2197 339 20 UKRTELNET, 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 11047 3340 586 Uninet S.A. de C.V., MX 10620 3472 507 854 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2222 366 594 Mega Cable, S.A. de C.V., MX 28573 1350 2329 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 742 157 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1137 186 459 Techtel LMDS Comunicaciones Interactiva 26615 1008 2466 43 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 24835 1505 533 29 RAYA-AS, EG 24863 1503 393 21 LINKdotNET-AS, EG 36992 1332 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1004 67 46 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 528 54 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 493 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 11047 3340 586 Uninet S.A. de C.V., MX 9808 9440 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7835 10713 2927 AMAZON-02, US 12479 6966 1705 145 UNI2-AS, ES 9121 6165 1692 17 TTNET, TR 7545 5944 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4557 269 60 ALJAWWALSTC-AS, SA 11492 4530 300 601 CABLEONE, US 20940 4055 3399 174 AKAMAI-ASN1, NL 8551 3903 374 38 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 9440 9393 CHINAMOBILE-CN China Mobile Communications Grou 12479 6966 6821 UNI2-AS, ES 9121 6165 6148 TTNET, TR 7545 5944 5241 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7835 4908 AMAZON-02, US 39891 4557 4497 ALJAWWALSTC-AS, SA 11492 4530 3929 CABLEONE, US 20940 4055 3881 AKAMAI-ASN1, NL 8551 3903 3865 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3862 VIASAT-SP-BACKBONE, US 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 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 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 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 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 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, 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 /11:101 /12:299 /13:583 /14:1201 /15:2076 /16:13492 /17:8299 /18:13881 /19:25046 /20:43536 /21:52102 /22:110004 /23:98323 /24:548446 /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 6033 6966 UNI2-AS, ES 9121 5322 6165 TTNET, TR 8151 5060 11047 Uninet S.A. de C.V., MX 39891 3548 4557 ALJAWWALSTC-AS, SA 11492 3445 4530 CABLEONE, US 8551 3368 3903 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3308 3500 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2726 3693 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2314 2657 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1630 2:1237 3:168 4:5 5:4113 6:110 7:5 8:1536 9:1 11:172 12:1586 13:378 14:2319 15:286 16:79 17:370 18:422 20:242 21:4 22:188 23:6067 24:2506 25:4 27:2721 29:19 31:2504 32:99 34:9 35:106 36:1875 37:4600 38:4034 39:833 40:154 41:3940 42:1052 43:2321 44:303 45:16404 46:4176 47:381 49:1729 50:1929 51:379 52:1548 54:394 55:860 56:8 57:81 58:1755 59:1174 60:1010 61:2413 62:2617 63:1937 64:5670 65:2317 66:4923 67:3046 68:1345 69:4138 70:1254 71:667 72:2979 74:2585 75:1463 76:597 77:2383 78:3929 79:3168 80:2076 81:1820 82:1481 83:1237 84:1525 85:3713 86:744 87:1936 88:2864 89:3545 90:592 91:7639 92:1993 93:2594 94:3530 95:4874 96:1328 97:346 98:1163 99:741 100:76 101:1061 102:2552 103:30984 104:4600 105:483 106:846 107:2529 108:920 109:4377 110:2077 111:3292 112:2043 113:1485 114:1603 115:2098 116:1844 117:2563 118:2288 119:1909 120:1731 121:1081 122:2594 123:2180 124:1546 125:2327 128:1326 129:1056 130:983 131:1998 132:844 133:406 134:1910 135:299 136:889 137:1073 138:2581 139:1554 140:1045 141:1485 142:1424 143:1480 144:1194 145:349 146:1866 147:1555 148:2297 149:1880 150:868 151:1137 152:1950 153:557 154:3910 155:1408 156:1663 157:1300 158:1048 159:2266 160:2556 161:1447 162:3546 163:1489 164:1607 165:1668 166:822 167:1760 168:3869 169:919 170:4589 171:893 172:3515 173:2999 174:1021 175:1173 176:3698 177:4724 178:3560 179:2154 180:2428 181:3371 182:3240 183:1933 184:2345 185:20001 186:4676 187:3925 188:4079 189:3507 190:9061 191:1430 192:10955 193:8827 194:7214 195:5139 196:3017 197:2409 198:5992 199:6109 200:7757 201:5863 202:10521 203:10241 204:4602 205:3513 206:3869 207:3419 208:4092 209:4826 210:4360 211:2428 212:4093 213:3561 214:1087 215:55 216:6631 217:2631 218:1297 219:464 220:2035 221:972 222:740 223:2034 End of report