IPv4 R&E Routing Table Report 21:10 GMT Fri 23 Dec, 2022 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: 915479 Prefixes after maximum aggregation (per Origin AS): 346838 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 444092 Number of IPv4 prefixes with a valid ROA: 374244 Number of IPv4 prefixes with an invalid ROA: 2803 Number of IPv4 prefixes with no ROA: 538432 Total ASes present in the Internet Routing Table: 73950 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63554 Origin ASes announcing only one prefix: 26100 Transit ASes present in the Internet Routing Table: 10396 Transit-only ASes present in the Internet Routing Table: 423 Paths with bogon ASNs present in the IPv4 Routing Table: 63 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1034 Number of instances of unregistered ASNs: 1045 Number of 32-bit ASNs allocated by the RIRs: 40962 Number of 32-bit ASNs visible in the Routing Table: 33909 Prefixes from 32-bit ASNs in the Routing Table: 165580 Number of bogon 32-bit ASNs visible in the Routing Table: 58 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 516 Number of addresses announced to Internet: 3064517888 Equivalent to 182 /8s, 168 /16s and 213 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 311051 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237586 Total APNIC prefixes after maximum aggregation: 68128 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 232494 Unique aggregates announced from the APNIC address blocks: 97359 APNIC Region origin ASes present in the Internet Routing Table: 13168 APNIC Prefixes per ASN: 17.66 APNIC Region origin ASes announcing only one prefix: 3844 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: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8439 Number of APNIC addresses announced to Internet: 773371136 Equivalent to 46 /8s, 24 /16s and 181 /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: 267460 Total ARIN prefixes after maximum aggregation: 121992 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 268883 Unique aggregates announced from the ARIN address blocks: 129537 ARIN Region origin ASes present in the Internet Routing Table: 19051 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1926 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4702 Number of ARIN addresses announced to Internet: 1287867136 Equivalent to 76 /8s, 195 /16s and 75 /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: 263159 Total RIPE prefixes after maximum aggregation: 121941 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260108 Unique aggregates announced from the RIPE address blocks: 155821 RIPE Region origin ASes present in the Internet Routing Table: 28182 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 12015 RIPE Region transit ASes present in the Internet Routing Table: 3901 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10937 Number of RIPE addresses announced to Internet: 719482624 Equivalent to 42 /8s, 226 /16s and 111 /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: 117627 Total LACNIC prefixes after maximum aggregation: 28311 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116926 Unique aggregates announced from the LACNIC address blocks: 48921 LACNIC Region origin ASes present in the Internet Routing Table: 11008 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2270 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8775 Number of LACNIC addresses announced to Internet: 175384320 Equivalent to 10 /8s, 116 /16s and 39 /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: 28613 Total AfriNIC prefixes after maximum aggregation: 5693 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 36551 Unique aggregates announced from the AfriNIC address blocks: 12037 AfriNIC Region origin ASes present in the Internet Routing Table: 1716 AfriNIC Prefixes per ASN: 21.30 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1056 Number of AfriNIC addresses announced to Internet: 108116992 Equivalent to 6 /8s, 113 /16s and 188 /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 9163 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5945 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3353 1867 87 VNPT-AS-VN VNPT Corp, VN 9498 2678 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2349 849 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2285 11250 590 KIXS-AS-KR Korea Telecom, KR 4538 2263 4192 73 ERX-CERNET-BKB China Education and Rese 45090 2180 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 7753 10637 2928 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3697 3065 324 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3459 1793 2512 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2615 24131 1586 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 393 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 6960 1706 146 UNI2-AS, ES 9121 6176 1692 17 TTNET, TR 39891 4560 269 57 ALJAWWALSTC-AS, SA 20940 4048 3400 179 AKAMAI-ASN1, NL 8551 3699 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2916 2290 907 ROSTELECOM-AS, RU 47331 2684 386 2026 TTNET, TR 9009 2650 252 1359 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2195 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 10926 3340 594 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2191 358 585 Mega Cable, S.A. de C.V., MX 28573 1341 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1153 370 22 Telefonica del Peru S.A.A., PE 11664 1139 186 460 Techtel LMDS Comunicaciones Interactiva 26615 991 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 24863 1520 393 21 LINKdotNET-AS, EG 24835 1509 511 29 RAYA-AS, EG 36992 1321 1518 274 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 67 40 ORANGE-COTE-IVOIRE, CI 36935 705 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 523 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 2018 373 319 71 TENET-1, ZA 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 10926 3340 594 Uninet S.A. de C.V., MX 9808 9163 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7753 10637 2928 AMAZON-02, US 12479 6960 1706 146 UNI2-AS, ES 9121 6176 1692 17 TTNET, TR 7545 5945 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4560 269 57 ALJAWWALSTC-AS, SA 11492 4546 301 565 CABLEONE, US 20940 4048 3400 179 AKAMAI-ASN1, NL 7155 3894 265 33 VIASAT-SP-BACKBONE, US 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 9163 9116 CHINAMOBILE-CN China Mobile Communications Grou 12479 6960 6814 UNI2-AS, ES 9121 6176 6159 TTNET, TR 7545 5945 5243 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7753 4825 AMAZON-02, US 39891 4560 4503 ALJAWWALSTC-AS, SA 11492 4546 3981 CABLEONE, US 20940 4048 3869 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3699 3661 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6461 ZAYO-6461, US 23.131.191.0/24 Origin: 212238 CDNEXT, GB 23.131.191.0/24 Transit: 60068 CDN77 \^_^, GB 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 /12:300 /13:587 /14:1199 /15:2076 /16:13502 /17:8276 /18:13879 /19:25034 /20:43610 /21:52106 /22:109817 /23:97925 /24:546998 /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 6006 6960 UNI2-AS, ES 9121 5329 6176 TTNET, TR 8151 4912 10926 Uninet S.A. de C.V., MX 39891 3551 4560 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3164 3699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2727 3697 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2341 2684 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1624 2:1229 3:168 4:5 5:4104 6:110 7:5 8:1546 9:1 11:172 12:1607 13:370 14:2361 15:285 16:76 17:370 18:408 20:243 21:4 22:188 23:6012 24:2478 25:4 27:2785 29:19 31:2496 32:103 34:8 35:95 36:1816 37:4595 38:3975 39:821 40:144 41:3919 42:1052 43:2317 44:307 45:16454 46:4223 47:381 49:1708 50:1934 51:374 52:1543 54:396 55:774 56:8 57:84 58:1757 59:1169 60:1008 61:2426 62:2603 63:1938 64:5658 65:2327 66:4916 67:3033 68:1362 69:4138 70:1256 71:663 72:2993 74:2598 75:1464 76:596 77:2345 78:3930 79:2942 80:2066 81:1825 82:1489 83:1240 84:1513 85:3745 86:742 87:1925 88:2849 89:3521 90:592 91:7623 92:1984 93:2567 94:3499 95:4854 96:1316 97:344 98:1173 99:740 100:77 101:1063 102:2531 103:30767 104:4616 105:482 106:848 107:2546 108:918 109:4348 110:2045 111:3260 112:2031 113:1511 114:1597 115:2094 116:1847 117:2480 118:2283 119:1915 120:1693 121:1072 122:2589 123:2173 124:1523 125:2300 128:1304 129:1056 130:973 131:2016 132:842 133:403 134:1899 135:292 136:888 137:1061 138:2609 139:1512 140:1032 141:1491 142:1420 143:1448 144:1189 145:352 146:1899 147:1523 148:2291 149:1858 150:870 151:1147 152:1967 153:555 154:3807 155:1411 156:1635 157:1292 158:1045 159:2237 160:2577 161:1438 162:3559 163:1487 164:1691 165:1653 166:825 167:1752 168:3870 169:925 170:4563 171:887 172:3518 173:3059 174:1024 175:1151 176:3632 177:4804 178:3532 179:2159 180:2426 181:3363 182:3230 183:1935 184:2366 185:19992 186:4653 187:3928 188:4083 189:3456 190:9048 191:1471 192:10989 193:8828 194:7190 195:5106 196:2981 197:2415 198:6000 199:6105 200:7734 201:5881 202:10525 203:10232 204:4610 205:3518 206:3835 207:3406 208:4115 209:4826 210:4353 211:2421 212:4089 213:3546 214:1106 215:55 216:6595 217:2650 218:1289 219:473 220:2032 221:957 222:739 223:1977 End of report