IPv4 R&E Routing Table Report 21:10 GMT Fri 27 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: 917646 Prefixes after maximum aggregation (per Origin AS): 347534 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 445050 Number of IPv4 prefixes with a valid ROA: 378679 Number of IPv4 prefixes with an invalid ROA: 2798 Number of IPv4 prefixes with no ROA: 536169 Total ASes present in the Internet Routing Table: 74112 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63676 Origin ASes announcing only one prefix: 26152 Transit ASes present in the Internet Routing Table: 10436 Transit-only ASes present in the Internet Routing Table: 427 Paths with bogon ASNs present in the IPv4 Routing Table: 53 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: 985 Number of instances of unregistered ASNs: 996 Number of 32-bit ASNs allocated by the RIRs: 41135 Number of 32-bit ASNs visible in the Routing Table: 34109 Prefixes from 32-bit ASNs in the Routing Table: 166886 Number of bogon 32-bit ASNs visible in the Routing Table: 57 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 522 Number of addresses announced to Internet: 3062642944 Equivalent to 182 /8s, 140 /16s and 57 /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: 311438 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238118 Total APNIC prefixes after maximum aggregation: 68396 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233177 Unique aggregates announced from the APNIC address blocks: 97680 APNIC Region origin ASes present in the Internet Routing Table: 13266 APNIC Prefixes per ASN: 17.58 APNIC Region origin ASes announcing only one prefix: 3862 APNIC Region transit ASes present in the Internet Routing Table: 1793 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: 8542 Number of APNIC addresses announced to Internet: 773425408 Equivalent to 46 /8s, 25 /16s and 137 /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: 267263 Total ARIN prefixes after maximum aggregation: 121765 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 269113 Unique aggregates announced from the ARIN address blocks: 129629 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: 1941 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: 4732 Number of ARIN addresses announced to Internet: 1286010880 Equivalent to 76 /8s, 166 /16s and 248 /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: 264303 Total RIPE prefixes after maximum aggregation: 122510 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260882 Unique aggregates announced from the RIPE address blocks: 156171 RIPE Region origin ASes present in the Internet Routing Table: 28231 RIPE Prefixes per ASN: 9.24 RIPE Region origin ASes announcing only one prefix: 12032 RIPE Region transit ASes present in the Internet Routing Table: 3913 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10994 Number of RIPE addresses announced to Internet: 718613248 Equivalent to 42 /8s, 213 /16s and 43 /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: 117793 Total LACNIC prefixes after maximum aggregation: 28373 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116971 Unique aggregates announced from the LACNIC address blocks: 49074 LACNIC Region origin ASes present in the Internet Routing Table: 11007 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2271 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: 8777 Number of LACNIC addresses announced to Internet: 176250880 Equivalent to 10 /8s, 129 /16s and 96 /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: 29184 Total AfriNIC prefixes after maximum aggregation: 5731 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36980 Unique aggregates announced from the AfriNIC address blocks: 12071 AfriNIC Region origin ASes present in the Internet Routing Table: 1718 AfriNIC Prefixes per ASN: 21.53 AfriNIC Region origin ASes announcing only one prefix: 599 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1064 Number of AfriNIC addresses announced to Internet: 108022016 Equivalent to 6 /8s, 112 /16s and 73 /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 5920 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3534 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3519 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3096 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2715 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2362 848 437 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 7850 10712 2893 AMAZON-02, US 11492 4531 300 601 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3694 3066 323 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3501 1320 63 SHAW, CA 16625 3456 1773 2505 AKAMAI-AS, US 749 3023 50575 2290 DNIC-AS-00749, US 396982 2589 3496 365 GOOGLE-CLOUD-PLATFORM, US 7018 2588 24127 1570 ATT-INTERNET4, US 30036 2555 366 396 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 6975 1706 146 UNI2-AS, ES 9121 6164 1692 17 TTNET, TR 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4047 3399 172 AKAMAI-ASN1, NL 8551 3905 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2918 2290 908 ROSTELECOM-AS, RU 9009 2712 257 1371 M247, RO 47331 2653 383 1997 TTNET, TR 34984 2259 358 610 TELLCOM-AS, TR 6849 2197 339 19 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 11075 3342 585 Uninet S.A. de C.V., MX 10620 3474 507 856 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2229 367 594 Mega Cable, S.A. de C.V., MX 28573 1353 2329 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1290 742 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1149 369 22 Telefonica del Peru S.A.A., PE 11664 1109 181 456 Techtel LMDS Comunicaciones Interactiva 26615 1017 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 1538 533 30 RAYA-AS, EG 24863 1501 393 21 LINKdotNET-AS, EG 36992 1337 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1009 67 47 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 612 1861 34 IAM-AS, MA 15399 508 52 41 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 492 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 11075 3342 585 Uninet S.A. de C.V., MX 9808 9440 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7850 10712 2893 AMAZON-02, US 12479 6975 1706 146 UNI2-AS, ES 9121 6164 1692 17 TTNET, TR 7545 5920 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4531 300 601 CABLEONE, US 20940 4047 3399 172 AKAMAI-ASN1, NL 8551 3905 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 6975 6829 UNI2-AS, ES 9121 6164 6147 TTNET, TR 7545 5920 5217 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7850 4957 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4531 3930 CABLEONE, US 20940 4047 3875 AKAMAI-ASN1, NL 8551 3905 3867 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 /13:580 /14:1201 /15:2079 /16:13495 /17:8301 /18:13900 /19:25049 /20:43533 /21:52092 /22:109973 /23:98323 /24:548651 /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 6043 6975 UNI2-AS, ES 9121 5321 6164 TTNET, TR 8151 5085 11075 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3446 4531 CABLEONE, US 8551 3370 3905 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3309 3501 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2726 3694 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2310 2653 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1630 2:1233 3:168 4:5 5:4116 6:113 7:5 8:1525 9:1 11:172 12:1586 13:376 14:2314 15:289 16:79 17:369 18:389 20:243 21:4 22:188 23:6068 24:2518 25:4 27:2715 29:19 31:2497 32:101 34:9 35:106 36:1877 37:4587 38:4046 39:833 40:154 41:3952 42:1054 43:2323 44:303 45:16426 46:4162 47:381 49:1735 50:1840 51:380 52:1551 54:395 55:860 56:8 57:83 58:1755 59:1174 60:1007 61:2419 62:2622 63:1940 64:5674 65:2317 66:4911 67:3044 68:1340 69:4143 70:1254 71:666 72:2969 74:2594 75:1457 76:601 77:2392 78:3920 79:3175 80:2075 81:1837 82:1485 83:1239 84:1513 85:3737 86:747 87:1949 88:2861 89:3562 90:598 91:7649 92:2000 93:2577 94:3506 95:4876 96:1328 97:347 98:1160 99:740 100:76 101:1063 102:2566 103:30991 104:4600 105:482 106:847 107:2526 108:919 109:4385 110:2088 111:3290 112:2043 113:1473 114:1604 115:2094 116:1845 117:2559 118:2290 119:1909 120:1736 121:1082 122:2599 123:2180 124:1547 125:2325 128:1324 129:1057 130:982 131:1997 132:844 133:406 134:1915 135:298 136:871 137:1074 138:2573 139:1556 140:1150 141:1480 142:1425 143:1503 144:1196 145:348 146:1891 147:1564 148:2296 149:1891 150:869 151:1138 152:1947 153:557 154:3946 155:1406 156:1666 157:1297 158:1042 159:2266 160:2556 161:1474 162:3543 163:1490 164:1621 165:1672 166:838 167:1755 168:3897 169:919 170:4588 171:873 172:3505 173:2950 174:1022 175:1172 176:3697 177:4637 178:3552 179:2145 180:2426 181:3384 182:3241 183:1937 184:2342 185:19988 186:4708 187:3925 188:4085 189:3508 190:9088 191:1451 192:10970 193:8835 194:7226 195:5137 196:3012 197:2403 198:5958 199:6114 200:7759 201:5869 202:10529 203:10241 204:4602 205:3519 206:3875 207:3426 208:4087 209:4831 210:4362 211:2428 212:4103 213:3569 214:1095 215:56 216:6631 217:2635 218:1297 219:464 220:2033 221:972 222:740 223:2038 End of report