IPv4 R&E Routing Table Report 21:10 GMT Fri 23 Sep, 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: 901177 Prefixes after maximum aggregation (per Origin AS): 341740 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 439679 Number of IPv4 prefixes with a valid ROA: 352420 Number of IPv4 prefixes with an invalid ROA: 3204 Number of IPv4 prefixes with no ROA: 545553 Total ASes present in the Internet Routing Table: 73695 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63336 Origin ASes announcing only one prefix: 26033 Transit ASes present in the Internet Routing Table: 10359 Transit-only ASes present in the Internet Routing Table: 407 Paths with bogon ASNs present in the IPv4 Routing Table: 65 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: 1081 Number of instances of unregistered ASNs: 1084 Number of 32-bit ASNs allocated by the RIRs: 40221 Number of 32-bit ASNs visible in the Routing Table: 33393 Prefixes from 32-bit ASNs in the Routing Table: 160588 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 538 Number of addresses announced to Internet: 3067363072 Equivalent to 182 /8s, 212 /16s and 63 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 301135 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236350 Total APNIC prefixes after maximum aggregation: 67325 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 231334 Unique aggregates announced from the APNIC address blocks: 96242 APNIC Region origin ASes present in the Internet Routing Table: 12956 APNIC Prefixes per ASN: 17.86 APNIC Region origin ASes announcing only one prefix: 3739 APNIC Region transit ASes present in the Internet Routing Table: 1768 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8202 Number of APNIC addresses announced to Internet: 772891648 Equivalent to 46 /8s, 17 /16s and 100 /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: 265624 Total ARIN prefixes after maximum aggregation: 121634 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 266289 Unique aggregates announced from the ARIN address blocks: 128251 ARIN Region origin ASes present in the Internet Routing Table: 19061 ARIN Prefixes per ASN: 13.97 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1918 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4617 Number of ARIN addresses announced to Internet: 1292016384 Equivalent to 77 /8s, 2 /16s and 155 /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: 252934 Total RIPE prefixes after maximum aggregation: 118463 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 250212 Unique aggregates announced from the RIPE address blocks: 153811 RIPE Region origin ASes present in the Internet Routing Table: 28193 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 3930 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10822 Number of RIPE addresses announced to Internet: 718245120 Equivalent to 42 /8s, 207 /16s and 141 /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: 116607 Total LACNIC prefixes after maximum aggregation: 27920 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 116246 Unique aggregates announced from the LACNIC address blocks: 49010 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2701 LACNIC Region transit ASes present in the Internet Routing Table: 2235 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8732 Number of LACNIC addresses announced to Internet: 176110848 Equivalent to 10 /8s, 127 /16s and 61 /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: 28581 Total AfriNIC prefixes after maximum aggregation: 5584 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36557 Unique aggregates announced from the AfriNIC address blocks: 11921 AfriNIC Region origin ASes present in the Internet Routing Table: 1692 AfriNIC Prefixes per ASN: 21.61 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 330 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: 1020 Number of AfriNIC addresses announced to Internet: 107813888 Equivalent to 6 /8s, 109 /16s and 28 /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 9064 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5883 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3372 1870 59 VNPT-AS-VN VNPT Corp, VN 4538 2908 4192 74 ERX-CERNET-BKB China Education and Rese 9498 2447 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2229 11123 598 KIXS-AS-KR Korea Telecom, KR 24560 2222 854 409 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 7212 10535 2837 AMAZON-02, US 11492 4546 301 591 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3843 3068 351 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3531 1841 2536 AKAMAI-AS, US 6327 3479 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2594 368 329 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2536 3387 368 GOOGLE-CLOUD-PLATFORM, US 209 2348 4935 394 CENTURYLINK-US-LEGACY-QWEST, 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 6905 1730 144 UNI2-AS, ES 20940 4072 3360 201 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2915 2290 910 ROSTELECOM-AS, RU 9009 2603 251 1337 M247, GB 6849 2590 339 20 UKRTELNET, UA 34984 2257 358 633 TELLCOM-AS, TR 58224 1797 936 536 TCI, IR 13188 1610 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 10975 3391 562 Uninet S.A. de C.V., MX 10620 3492 513 810 Telmex Colombia S.A., CO 11830 2321 369 65 Instituto Costarricense de Electricidad 13999 2011 328 517 Mega Cable, S.A. de C.V., MX 28573 1348 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1293 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1137 369 21 Telefonica del Peru S.A.A., PE 11664 1061 179 466 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1578 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 997 68 32 ORANGE-COTE-IVOIRE, CI 36935 814 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 521 52 41 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 402 232 16 MauritiusTelecom, MU 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 10975 3391 562 Uninet S.A. de C.V., MX 9808 9064 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7212 10535 2837 AMAZON-02, US 12479 6905 1730 144 UNI2-AS, ES 7545 5883 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4546 301 591 CABLEONE, US 20940 4072 3360 201 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 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 9064 9017 CHINAMOBILE-CN China Mobile Communications Grou 12479 6905 6761 UNI2-AS, ES 7545 5883 5189 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7212 4375 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4546 3955 CABLEONE, US 8551 3987 3949 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4072 3871 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3583 3563 VIETEL-AS-AP Viettel Group, VN 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 25674 UNALLOCATED 8.12.76.0/24 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 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW 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 /12:301 /13:589 /14:1198 /15:2093 /16:13504 /17:8343 /18:13927 /19:25072 /20:44033 /21:51516 /22:108617 /23:96415 /24:535399 /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 5909 6905 UNI2-AS, ES 8151 4720 10975 Uninet S.A. de C.V., MX 11492 3466 4546 CABLEONE, US 8551 3451 3987 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3288 3479 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2860 3843 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2445 2590 UKRTELNET, UA 30036 2251 2594 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1902 2:1023 3:163 4:5 5:3894 6:116 7:6 8:1574 9:1 11:173 12:1627 13:345 14:2365 15:263 16:60 17:362 18:318 20:239 21:4 22:188 23:5961 24:2464 25:6 27:2733 29:19 31:2422 32:91 34:7 35:89 36:1861 37:4474 38:3562 39:750 40:155 41:3904 42:1165 43:2246 44:293 45:16201 46:4173 47:309 48:1 49:1734 50:1929 51:242 52:1492 54:387 55:843 56:8 57:74 58:1821 59:1172 60:984 61:2345 62:2545 63:1912 64:5626 65:2311 66:4904 67:2994 68:1205 69:4175 70:1324 71:692 72:2997 74:2655 75:1487 76:594 77:2266 78:1880 79:3135 80:2068 81:1650 82:1511 83:1210 84:1397 85:2953 86:728 87:1918 88:1170 89:3405 90:554 91:7582 92:2062 93:2547 94:3548 95:3859 96:1311 97:347 98:1044 99:722 100:75 101:1067 102:2313 103:30116 104:4574 105:472 106:885 107:2529 108:897 109:4313 110:1989 111:3271 112:2041 113:1502 114:1510 115:2092 116:1858 117:2491 118:2332 119:1853 120:1703 121:1089 122:2536 123:2133 124:1502 125:2152 128:1240 129:1013 130:1003 131:2047 132:823 133:378 134:1941 135:293 136:813 137:1022 138:2538 139:1521 140:995 141:1452 142:1351 143:1398 144:1190 145:346 146:1866 147:1528 148:2250 149:1815 150:874 151:1101 152:1944 153:548 154:3771 155:1425 156:1706 157:1283 158:1043 159:2200 160:2558 161:1345 162:3499 163:1417 164:1682 165:1653 166:790 167:1748 168:3838 169:878 170:4531 171:844 172:3374 173:3093 174:1023 175:1159 176:3626 177:4731 178:3567 179:2160 180:2388 181:3286 182:3190 183:1923 184:2363 185:19767 186:4539 187:3901 188:4008 189:3473 190:9074 191:1421 192:11001 193:8690 194:7144 195:5066 196:2984 197:2453 198:5974 199:6034 200:7684 201:5798 202:10516 203:10224 204:4519 205:3489 206:3890 207:3426 208:4058 209:4739 210:4365 211:2391 212:4066 213:3476 214:1116 215:54 216:6423 217:2636 218:1305 219:472 220:2037 221:927 222:774 223:1973 End of report