IPv4 R&E Routing Table Report 21:10 GMT Wed 18 May, 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: 891519 Prefixes after maximum aggregation (per Origin AS): 337072 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 432210 Number of IPv4 prefixes with a valid ROA: 324961 Number of IPv4 prefixes with an invalid ROA: 2885 Number of IPv4 prefixes with no ROA: 563673 Total ASes present in the Internet Routing Table: 73182 Prefixes per ASN: 12.18 Origin-only ASes present in the Internet Routing Table: 62902 Origin ASes announcing only one prefix: 25790 Transit ASes present in the Internet Routing Table: 10280 Transit-only ASes present in the Internet Routing Table: 367 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 945 Number of instances of unregistered ASNs: 985 Number of 32-bit ASNs allocated by the RIRs: 39418 Number of 32-bit ASNs visible in the Routing Table: 32686 Prefixes from 32-bit ASNs in the Routing Table: 154414 Number of bogon 32-bit ASNs visible in the Routing Table: 117 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 555 Number of addresses announced to Internet: 3068081408 Equivalent to 182 /8s, 223 /16s and 53 /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: 297388 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236125 Total APNIC prefixes after maximum aggregation: 66488 APNIC Deaggregation factor: 3.55 Prefixes being announced from the APNIC address blocks: 231315 Unique aggregates announced from the APNIC address blocks: 94757 APNIC Region origin ASes present in the Internet Routing Table: 12638 APNIC Prefixes per ASN: 18.30 APNIC Region origin ASes announcing only one prefix: 3594 APNIC Region transit ASes present in the Internet Routing Table: 1737 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7847 Number of APNIC addresses announced to Internet: 773840640 Equivalent to 46 /8s, 31 /16s and 223 /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: 262041 Total ARIN prefixes after maximum aggregation: 120219 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261871 Unique aggregates announced from the ARIN address blocks: 125788 ARIN Region origin ASes present in the Internet Routing Table: 19047 ARIN Prefixes per ASN: 13.75 ARIN Region origin ASes announcing only one prefix: 6932 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: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4501 Number of ARIN addresses announced to Internet: 1295711232 Equivalent to 77 /8s, 58 /16s and 252 /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: 249682 Total RIPE prefixes after maximum aggregation: 116590 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 247115 Unique aggregates announced from the RIPE address blocks: 150866 RIPE Region origin ASes present in the Internet Routing Table: 28150 RIPE Prefixes per ASN: 8.78 RIPE Region origin ASes announcing only one prefix: 12029 RIPE Region transit ASes present in the Internet Routing Table: 3922 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10710 Number of RIPE addresses announced to Internet: 713940224 Equivalent to 42 /8s, 141 /16s and 221 /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: 114921 Total LACNIC prefixes after maximum aggregation: 27601 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 114746 Unique aggregates announced from the LACNIC address blocks: 48582 LACNIC Region origin ASes present in the Internet Routing Table: 10953 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2190 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8662 Number of LACNIC addresses announced to Internet: 176470528 Equivalent to 10 /8s, 132 /16s and 186 /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: 27805 Total AfriNIC prefixes after maximum aggregation: 5477 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 35916 Unique aggregates announced from the AfriNIC address blocks: 11758 AfriNIC Region origin ASes present in the Internet Routing Table: 1637 AfriNIC Prefixes per ASN: 21.94 AfriNIC Region origin ASes announcing only one prefix: 566 AfriNIC Region transit ASes present in the Internet Routing Table: 337 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 966 Number of AfriNIC addresses announced to Internet: 107779584 Equivalent to 6 /8s, 108 /16s and 150 /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 9147 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5921 789 689 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4674 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3589 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3429 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2407 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2120 438 204 TATACOMM-AS TATA Communications formerl 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 6402 10349 2782 AMAZON-02, US 11492 4490 298 696 CABLEONE, US 22773 3938 3073 361 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3586 1824 2540 AKAMAI-AS, US 6327 3435 1318 61 SHAW, CA 749 2881 50795 2138 DNIC-AS-00749, US 30036 2633 374 127 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2460 4961 419 CENTURYLINK-US-LEGACY-QWEST, US 20115 2249 3051 493 CHARTER-20115, 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 6793 1730 150 UNI2-AS, ES 8551 4004 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3964 3192 562 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2921 2273 907 ROSTELECOM-AS, RU 6849 2907 355 21 UKRTELNET, UA 9009 2485 248 1291 M247, GB 34984 2247 358 631 TELLCOM-AS, TR 58224 1814 931 607 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 10615 3394 564 Uninet S.A. de C.V., MX 10620 3472 518 743 Telmex Colombia S.A., CO 11830 2436 369 63 Instituto Costarricense de Electricidad 13999 1822 300 470 Mega Cable, S.A. de C.V., MX 6503 1454 355 528 Axtel, S.A.B. de C.V., MX 28573 1368 2333 255 CLARO S.A., BR 3816 1257 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1025 192 444 Techtel LMDS Comunicaciones Interactiva 11172 957 133 61 Alestra, S. de R.L. de C.V., MX 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 1656 393 21 LINKdotNET-AS, EG 24835 1441 497 29 RAYA-AS, EG 36992 1313 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 946 65 56 ORANGE-COTE-IVOIRE, CI 36935 619 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 516 51 36 WANANCHI-, KE 37342 465 32 1 MOVITEL, MZ 23889 423 232 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 10615 3394 564 Uninet S.A. de C.V., MX 9808 9147 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6793 1730 150 UNI2-AS, ES 16509 6402 10349 2782 AMAZON-02, US 7545 5921 789 689 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4674 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4490 298 696 CABLEONE, US 8551 4004 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3964 3192 562 AKAMAI-ASN1, NL 22773 3938 3073 361 ASN-CXA-ALL-CCI-22773-RDC, 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 9147 9112 CHINAMOBILE-CN China Mobile Communications Grou 12479 6793 6643 UNI2-AS, ES 7545 5921 5232 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4674 4599 ERX-CERNET-BKB China Education and Research Net 8551 4004 3965 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4490 3794 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 16509 6402 3620 AMAZON-02, US 22773 3938 3577 ASN-CXA-ALL-CCI-22773-RDC, 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 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 100.67.0.0/20 266452 ELETROINFO TELECOMUNICACOES LTDA - ME, BR 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, 198.19.226.0/24 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 23.129.40.0/24 Origin: 6461 ZAYO-6461, US 23.129.40.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.129.56.0/24 Origin: 6461 ZAYO-6461, US 23.129.56.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.129.136.0/24 Origin: 6461 ZAYO-6461, US 23.129.136.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.131.8.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.8.0/24 Transit: 4637 ASN-TELSTRA-GLOBAL Telstra Global, HK 23.131.88.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.88.0/24 Transit: 4637 ASN-TELSTRA-GLOBAL Telstra Global, HK 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 /10:41 /11:100 /12:307 /13:591 /14:1210 /15:2097 /16:13563 /17:8317 /18:13928 /19:25208 /20:43965 /21:51628 /22:107808 /23:95460 /24:527266 /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 5770 6793 UNI2-AS, ES 8151 4334 10615 Uninet S.A. de C.V., MX 8551 3470 4004 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3396 4490 CABLEONE, US 6327 3249 3435 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2938 3938 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA 30036 2289 2633 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1922 2:1046 3:154 4:6 5:3791 6:104 7:5 8:1542 9:1 11:173 12:1706 13:297 14:2375 15:201 16:44 17:384 18:159 20:212 21:4 22:188 23:5687 24:2312 25:6 27:2654 29:19 31:2424 32:93 34:4 35:77 36:1757 37:4416 38:2882 39:695 40:153 41:3966 42:1098 43:2184 44:291 45:16068 46:4124 47:322 49:1682 50:2165 51:86 52:1427 54:369 55:749 56:8 57:60 58:1861 59:1198 60:965 61:2249 62:2521 63:1940 64:5532 65:2312 66:4860 67:2999 68:1195 69:4156 70:1333 71:689 72:3049 74:2652 75:1392 76:579 77:2164 78:1847 79:3114 80:1990 81:1585 82:1496 83:1209 84:1356 85:2921 86:706 87:1964 88:1114 89:3281 90:524 91:7636 92:2022 93:2586 94:3444 95:3854 96:1306 97:349 98:995 99:736 100:76 101:1047 102:2070 103:29244 104:4391 105:462 106:873 107:2517 108:831 109:4254 110:2028 111:3234 112:2026 113:1504 114:1497 115:2153 116:1896 117:2514 118:2340 119:1877 120:1656 121:1105 122:2568 123:2139 124:1532 125:2145 128:1252 129:1101 130:974 131:2070 132:807 133:377 134:1898 135:288 136:886 137:997 138:2455 139:1515 140:863 141:1415 142:1293 143:1453 144:1201 145:344 146:1816 147:1501 148:2250 149:1730 150:853 151:1083 152:1851 153:535 154:3470 155:1425 156:1841 157:1233 158:1046 159:2173 160:2518 161:1275 162:3464 163:1278 164:1651 165:1617 166:722 167:1739 168:3767 169:842 170:4479 171:827 172:3188 173:3130 174:1023 175:1133 176:3577 177:4640 178:3524 179:2042 180:2346 181:3001 182:3207 183:1952 184:2380 185:19518 186:4309 187:3747 188:3860 189:3257 190:8964 191:1320 192:11037 193:8620 194:7011 195:4983 196:2969 197:2380 198:5994 199:6040 200:7504 201:5732 202:10489 203:10219 204:4546 205:3444 206:3770 207:3380 208:4044 209:4665 210:4365 211:2456 212:4035 213:3447 214:1152 215:66 216:6486 217:2668 218:1269 219:549 220:1959 221:982 222:847 223:2113 End of report