IPv4 R&E Routing Table Report 21:10 GMT Sun 18 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: 915360 Prefixes after maximum aggregation (per Origin AS): 346647 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 443634 Number of IPv4 prefixes with a valid ROA: 373933 Number of IPv4 prefixes with an invalid ROA: 2822 Number of IPv4 prefixes with no ROA: 538605 Total ASes present in the Internet Routing Table: 73924 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63542 Origin ASes announcing only one prefix: 26056 Transit ASes present in the Internet Routing Table: 10382 Transit-only ASes present in the Internet Routing Table: 426 Paths with bogon ASNs present in the IPv4 Routing Table: 58 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: 1036 Number of instances of unregistered ASNs: 1038 Number of 32-bit ASNs allocated by the RIRs: 40931 Number of 32-bit ASNs visible in the Routing Table: 33859 Prefixes from 32-bit ASNs in the Routing Table: 165339 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 510 Number of addresses announced to Internet: 3061282048 Equivalent to 182 /8s, 119 /16s and 117 /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: 310718 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237516 Total APNIC prefixes after maximum aggregation: 68098 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 232452 Unique aggregates announced from the APNIC address blocks: 97268 APNIC Region origin ASes present in the Internet Routing Table: 13151 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 3832 APNIC Region transit ASes present in the Internet Routing Table: 1777 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8422 Number of APNIC addresses announced to Internet: 773334528 Equivalent to 46 /8s, 24 /16s and 38 /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: 267657 Total ARIN prefixes after maximum aggregation: 121996 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 269138 Unique aggregates announced from the ARIN address blocks: 129481 ARIN Region origin ASes present in the Internet Routing Table: 19059 ARIN Prefixes per ASN: 14.12 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1924 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: 4699 Number of ARIN addresses announced to Internet: 1288105728 Equivalent to 76 /8s, 198 /16s and 239 /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: 262963 Total RIPE prefixes after maximum aggregation: 121817 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 259876 Unique aggregates announced from the RIPE address blocks: 155616 RIPE Region origin ASes present in the Internet Routing Table: 28174 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 11995 RIPE Region transit ASes present in the Internet Routing Table: 3909 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: 10922 Number of RIPE addresses announced to Internet: 715411968 Equivalent to 42 /8s, 164 /16s and 82 /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: 117470 Total LACNIC prefixes after maximum aggregation: 28289 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116802 Unique aggregates announced from the LACNIC address blocks: 48837 LACNIC Region origin ASes present in the Internet Routing Table: 11004 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2664 LACNIC Region transit ASes present in the Internet Routing Table: 2255 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: 8768 Number of LACNIC addresses announced to Internet: 175993088 Equivalent to 10 /8s, 125 /16s and 113 /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: 28718 Total AfriNIC prefixes after maximum aggregation: 5672 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 36581 Unique aggregates announced from the AfriNIC address blocks: 12016 AfriNIC Region origin ASes present in the Internet Routing Table: 1709 AfriNIC Prefixes per ASN: 21.40 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 1048 Number of AfriNIC addresses announced to Internet: 108110592 Equivalent to 6 /8s, 113 /16s and 163 /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 9159 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5932 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3360 1867 87 VNPT-AS-VN VNPT Corp, VN 9498 2677 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2321 849 425 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 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 7762 10641 2911 AMAZON-02, US 11492 4545 301 564 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3701 3066 329 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3500 1823 2523 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2609 24143 1577 ATT-INTERNET4, US 396982 2575 3493 370 GOOGLE-CLOUD-PLATFORM, US 30036 2564 368 378 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 6937 1706 146 UNI2-AS, ES 9121 6285 1692 17 TTNET, TR 39891 4488 264 57 ALJAWWALSTC-AS, SA 20940 4078 3400 179 AKAMAI-ASN1, NL 8551 3699 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2917 2290 906 ROSTELECOM-AS, RU 9009 2652 252 1361 M247, RO 47331 2570 373 1944 TTNET, TR 34984 2255 358 611 TELLCOM-AS, TR 6849 2221 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 10901 3338 596 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 2175 356 576 Mega Cable, S.A. de C.V., MX 28573 1339 2327 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 339 523 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 1138 185 466 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 24835 1550 537 31 RAYA-AS, EG 24863 1531 393 21 LINKdotNET-AS, EG 36992 1362 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1012 67 43 ORANGE-COTE-IVOIRE, CI 36935 883 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 436 32 1 MOVITEL, MZ 2018 372 319 72 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 10901 3338 596 Uninet S.A. de C.V., MX 9808 9159 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7762 10641 2911 AMAZON-02, US 12479 6937 1706 146 UNI2-AS, ES 9121 6285 1692 17 TTNET, TR 7545 5932 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4545 301 564 CABLEONE, US 39891 4488 264 57 ALJAWWALSTC-AS, SA 20940 4078 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 9159 9112 CHINAMOBILE-CN China Mobile Communications Grou 12479 6937 6791 UNI2-AS, ES 9121 6285 6268 TTNET, TR 7545 5932 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7762 4851 AMAZON-02, US 39891 4488 4431 ALJAWWALSTC-AS, SA 11492 4545 3981 CABLEONE, US 20940 4078 3899 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 100.88.0.0/17 264275 ROLIM NET TECNOLOGIA LTDA, BR 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: 46450 PILOT, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6461 ZAYO-6461, US 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 /11:100 /12:299 /13:587 /14:1196 /15:2077 /16:13499 /17:8306 /18:13878 /19:25057 /20:43634 /21:52171 /22:109916 /23:97949 /24:546622 /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 5980 6937 UNI2-AS, ES 9121 5431 6285 TTNET, TR 8151 4891 10901 Uninet S.A. de C.V., MX 39891 3543 4488 ALJAWWALSTC-AS, SA 11492 3452 4545 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 3701 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2234 2570 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1644 2:1228 3:168 4:5 5:4069 6:109 7:5 8:1551 9:1 11:172 12:1611 13:373 14:2363 15:287 16:76 17:372 18:405 20:243 21:4 22:188 23:6018 24:2475 25:4 27:2775 29:19 31:2496 32:107 34:8 35:95 36:1815 37:4591 38:3927 39:821 40:144 41:3930 42:1080 43:2319 44:308 45:16456 46:4194 47:381 49:1705 50:1936 51:374 52:1527 54:395 55:824 56:8 57:85 58:1785 59:1164 60:1010 61:2421 62:2603 63:1948 64:5659 65:2329 66:4923 67:3028 68:1362 69:4143 70:1257 71:671 72:2996 74:2608 75:1463 76:597 77:2322 78:3937 79:2942 80:2062 81:1829 82:1482 83:1239 84:1519 85:3775 86:739 87:1925 88:2829 89:3513 90:580 91:7607 92:1977 93:2572 94:3523 95:4827 96:1316 97:344 98:1172 99:741 100:77 101:1058 102:2518 103:30728 104:4608 105:485 106:844 107:2546 108:921 109:4333 110:2049 111:3258 112:2027 113:1513 114:1596 115:2094 116:1847 117:2478 118:2291 119:1913 120:1693 121:1070 122:2578 123:2169 124:1523 125:2300 128:1309 129:977 130:972 131:2013 132:842 133:400 134:1904 135:295 136:887 137:1061 138:2606 139:1514 140:1030 141:1481 142:1420 143:1449 144:1192 145:348 146:1900 147:1520 148:2292 149:1872 150:868 151:1149 152:1964 153:551 154:3788 155:1417 156:1628 157:1293 158:1043 159:2240 160:2575 161:1437 162:3535 163:1480 164:1690 165:1638 166:828 167:1755 168:3858 169:926 170:4568 171:885 172:3538 173:3057 174:1026 175:1151 176:3629 177:4756 178:3536 179:2142 180:2417 181:3357 182:3227 183:1934 184:2364 185:20009 186:4646 187:3916 188:4054 189:3455 190:9046 191:1470 192:11003 193:8821 194:7190 195:5118 196:2979 197:2342 198:6005 199:6105 200:7722 201:5862 202:10525 203:10244 204:4610 205:3523 206:3837 207:3405 208:4115 209:4837 210:4356 211:2421 212:4069 213:3556 214:1102 215:55 216:6613 217:2647 218:1288 219:473 220:2034 221:957 222:737 223:1994 End of report