IPv4 R&E Routing Table Report 21:10 GMT Sun 10 Apr, 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: 895027 Prefixes after maximum aggregation (per Origin AS): 335429 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 429303 Number of IPv4 prefixes with a valid ROA: 320560 Number of IPv4 prefixes with an invalid ROA: 3193 Number of IPv4 prefixes with no ROA: 571274 Total ASes present in the Internet Routing Table: 72907 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 62617 Origin ASes announcing only one prefix: 25683 Transit ASes present in the Internet Routing Table: 10290 Transit-only ASes present in the Internet Routing Table: 370 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 65 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 827 Number of instances of unregistered ASNs: 835 Number of 32-bit ASNs allocated by the RIRs: 39064 Number of 32-bit ASNs visible in the Routing Table: 32414 Prefixes from 32-bit ASNs in the Routing Table: 152939 Number of bogon 32-bit ASNs visible in the Routing Table: 50 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 454 Number of addresses announced to Internet: 3066840064 Equivalent to 182 /8s, 204 /16s and 68 /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: 99.5 Total number of prefixes smaller than registry allocations: 301822 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235892 Total APNIC prefixes after maximum aggregation: 66169 APNIC Deaggregation factor: 3.56 Prefixes being announced from the APNIC address blocks: 230795 Unique aggregates announced from the APNIC address blocks: 94208 APNIC Region origin ASes present in the Internet Routing Table: 12511 APNIC Prefixes per ASN: 18.45 APNIC Region origin ASes announcing only one prefix: 3540 APNIC Region transit ASes present in the Internet Routing Table: 1724 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7727 Number of APNIC addresses announced to Internet: 773533440 Equivalent to 46 /8s, 27 /16s and 47 /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: 260806 Total ARIN prefixes after maximum aggregation: 119667 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260760 Unique aggregates announced from the ARIN address blocks: 124049 ARIN Region origin ASes present in the Internet Routing Table: 18999 ARIN Prefixes per ASN: 13.72 ARIN Region origin ASes announcing only one prefix: 6898 ARIN Region transit ASes present in the Internet Routing Table: 1937 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: 4432 Number of ARIN addresses announced to Internet: 1295226368 Equivalent to 77 /8s, 51 /16s and 150 /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: 254962 Total RIPE prefixes after maximum aggregation: 115922 RIPE Deaggregation factor: 2.20 Prefixes being announced from the RIPE address blocks: 252350 Unique aggregates announced from the RIPE address blocks: 150672 RIPE Region origin ASes present in the Internet Routing Table: 28098 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12044 RIPE Region transit ASes present in the Internet Routing Table: 3932 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10673 Number of RIPE addresses announced to Internet: 714016256 Equivalent to 42 /8s, 143 /16s and 6 /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: 114746 Total LACNIC prefixes after maximum aggregation: 27574 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 114638 Unique aggregates announced from the LACNIC address blocks: 48227 LACNIC Region origin ASes present in the Internet Routing Table: 10943 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2645 LACNIC Region transit ASes present in the Internet Routing Table: 2197 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 65 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8638 Number of LACNIC addresses announced to Internet: 176391680 Equivalent to 10 /8s, 131 /16s and 134 /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: 27794 Total AfriNIC prefixes after maximum aggregation: 5448 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36029 Unique aggregates announced from the AfriNIC address blocks: 11752 AfriNIC Region origin ASes present in the Internet Routing Table: 1613 AfriNIC Prefixes per ASN: 22.34 AfriNIC Region origin ASes announcing only one prefix: 556 AfriNIC Region transit ASes present in the Internet Routing Table: 332 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: 944 Number of AfriNIC addresses announced to Internet: 107413504 Equivalent to 6 /8s, 103 /16s and 0 /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 9145 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5899 788 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4678 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3590 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3433 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2392 491 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2161 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2115 429 197 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 6152 10259 2687 AMAZON-02, US 11492 4470 296 694 CABLEONE, US 22773 3947 3082 372 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3900 264 31 VIASAT-SP-BACKBONE, US 16625 3641 1871 2562 AKAMAI-AS, US 6327 3414 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2614 374 124 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2520 4962 423 CENTURYLINK-US-LEGACY-QWEST, US 20115 2258 3043 496 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 9121 6918 1692 17 TTNET, TR 12479 6809 1730 149 UNI2-AS, ES 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3939 3192 550 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2930 2274 907 ROSTELECOM-AS, RU 6849 2783 355 21 UKRTELNET, UA 9009 2475 247 1284 M247, GB 34984 2220 356 623 TELLCOM-AS, TR 58224 1810 931 604 TCI, IR 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 10537 3391 558 Uninet S.A. de C.V., MX 10620 3463 517 760 Telmex Colombia S.A., CO 11830 2430 369 63 Instituto Costarricense de Electricidad 13999 1735 294 472 Mega Cable, S.A. de C.V., MX 6503 1447 355 524 Axtel, S.A.B. de C.V., MX 28573 1385 2333 253 CLARO S.A., BR 3816 1255 667 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1084 369 21 Telefonica del Peru S.A.A., PE 11664 1007 192 448 Techtel LMDS Comunicaciones Interactiva 18881 938 1116 31 TELEFONICA BRASIL S.A, 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 1626 393 21 LINKdotNET-AS, EG 24835 1473 523 33 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 902 65 58 ORANGE-COTE-IVOIRE, CI 36935 771 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 518 51 34 WANANCHI-, KE 37342 469 32 1 MOVITEL, MZ 23889 424 232 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 10537 3391 558 Uninet S.A. de C.V., MX 9808 9145 8879 35 CHINAMOBILE-CN China Mobile Communicati 9121 6918 1692 17 TTNET, TR 12479 6809 1730 149 UNI2-AS, ES 16509 6152 10259 2687 AMAZON-02, US 7545 5899 788 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4678 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4470 296 694 CABLEONE, US 8551 4002 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3947 3082 372 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 9145 9110 CHINAMOBILE-CN China Mobile Communications Grou 9121 6918 6901 TTNET, TR 12479 6809 6660 UNI2-AS, ES 7545 5899 5205 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4678 4603 ERX-CERNET-BKB China Education and Research Net 8551 4002 3963 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3900 3869 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4470 3776 CABLEONE, US 22773 3947 3575 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 23.141.0.0/24 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 /10:40 /11:100 /12:307 /13:588 /14:1201 /15:2088 /16:13540 /17:8251 /18:13915 /19:25227 /20:43852 /21:52162 /22:108321 /23:95713 /24:529692 /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 9121 6036 6918 TTNET, TR 12479 5792 6809 UNI2-AS, ES 8151 4196 10537 Uninet S.A. de C.V., MX 8551 3475 4002 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3376 4470 CABLEONE, US 6327 3227 3414 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2990 3900 VIASAT-SP-BACKBONE, US 22773 2938 3947 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2641 2783 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1909 2:1040 3:154 4:7 5:3811 6:103 7:5 8:1535 9:1 11:172 12:1712 13:279 14:2377 15:191 16:45 17:382 18:148 20:194 21:4 22:188 23:5608 24:2296 25:4 27:2667 29:19 31:2450 32:93 34:1 35:72 36:1753 37:4423 38:2737 39:719 40:151 41:3933 42:1094 43:2187 44:292 45:16060 46:4121 47:349 49:1659 50:1937 51:100 52:1409 53:1 54:362 55:705 56:8 57:59 58:1850 59:1183 60:962 61:2260 62:2496 63:1953 64:5533 65:2302 66:4857 67:2998 68:1183 69:4145 70:1342 71:664 72:3059 74:2672 75:1388 76:583 77:2153 78:3470 79:3113 80:1982 81:1696 82:1484 83:1199 84:1365 85:3515 86:713 87:1961 88:2395 89:3290 90:526 91:7615 92:1990 93:2591 94:3453 95:4525 96:1305 97:348 98:989 99:739 100:74 101:1045 102:2042 103:28938 104:4393 105:466 106:853 107:2535 108:829 109:4228 110:2076 111:3247 112:2030 113:1478 114:1493 115:2136 116:1878 117:2525 118:2335 119:1903 120:1666 121:1094 122:2540 123:2150 124:1539 125:2133 128:1229 129:1222 130:924 131:2078 132:802 133:373 134:1927 135:288 136:868 137:1018 138:2463 139:1502 140:864 141:1405 142:1305 143:1472 144:1237 145:343 146:1804 147:1502 148:2250 149:1701 150:864 151:1078 152:1836 153:536 154:3521 155:1434 156:1853 157:1237 158:1028 159:2091 160:2480 161:1326 162:3446 163:1252 164:1638 165:1619 166:712 167:1749 168:3745 169:707 170:4458 171:824 172:3134 173:3088 174:1019 175:1142 176:3452 177:4598 178:3457 179:2025 180:2339 181:2948 182:3198 183:1956 184:2389 185:19520 186:4391 187:3642 188:3869 189:3156 190:8994 191:1321 192:11014 193:8571 194:6943 195:4966 196:2967 197:2417 198:6028 199:6022 200:7474 201:5687 202:10570 203:10221 204:4550 205:3386 206:3776 207:3400 208:4057 209:4679 210:4311 211:2446 212:4011 213:3432 214:1153 215:67 216:6448 217:2664 218:1262 219:547 220:2026 221:984 222:848 223:2117 End of report