IPv4 R&E Routing Table Report 21:10 GMT Mon 02 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: 897007 Prefixes after maximum aggregation (per Origin AS): 336242 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 430320 Number of IPv4 prefixes with a valid ROA: 325059 Number of IPv4 prefixes with an invalid ROA: 3063 Number of IPv4 prefixes with no ROA: 568885 Total ASes present in the Internet Routing Table: 73068 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 62776 Origin ASes announcing only one prefix: 25719 Transit ASes present in the Internet Routing Table: 10292 Transit-only ASes present in the Internet Routing Table: 360 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: 872 Number of instances of unregistered ASNs: 882 Number of 32-bit ASNs allocated by the RIRs: 39269 Number of 32-bit ASNs visible in the Routing Table: 32602 Prefixes from 32-bit ASNs in the Routing Table: 154085 Number of bogon 32-bit ASNs visible in the Routing Table: 44 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 488 Number of addresses announced to Internet: 3067151872 Equivalent to 182 /8s, 209 /16s and 6 /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: 99.6 Total number of prefixes smaller than registry allocations: 302552 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236300 Total APNIC prefixes after maximum aggregation: 66435 APNIC Deaggregation factor: 3.56 Prefixes being announced from the APNIC address blocks: 231188 Unique aggregates announced from the APNIC address blocks: 94703 APNIC Region origin ASes present in the Internet Routing Table: 12595 APNIC Prefixes per ASN: 18.36 APNIC Region origin ASes announcing only one prefix: 3565 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: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7811 Number of APNIC addresses announced to Internet: 773767936 Equivalent to 46 /8s, 30 /16s and 195 /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: 261642 Total ARIN prefixes after maximum aggregation: 119936 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261607 Unique aggregates announced from the ARIN address blocks: 124554 ARIN Region origin ASes present in the Internet Routing Table: 19017 ARIN Prefixes per ASN: 13.76 ARIN Region origin ASes announcing only one prefix: 6906 ARIN Region transit ASes present in the Internet Routing Table: 1929 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: 4475 Number of ARIN addresses announced to Internet: 1295487232 Equivalent to 77 /8s, 55 /16s and 145 /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: 255279 Total RIPE prefixes after maximum aggregation: 116156 RIPE Deaggregation factor: 2.20 Prefixes being announced from the RIPE address blocks: 252706 Unique aggregates announced from the RIPE address blocks: 150433 RIPE Region origin ASes present in the Internet Routing Table: 28132 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3938 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: 10711 Number of RIPE addresses announced to Internet: 713804288 Equivalent to 42 /8s, 139 /16s and 202 /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: 114926 Total LACNIC prefixes after maximum aggregation: 27594 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 114780 Unique aggregates announced from the LACNIC address blocks: 48549 LACNIC Region origin ASes present in the Internet Routing Table: 10954 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2646 LACNIC Region transit ASes present in the Internet Routing Table: 2196 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: 8647 Number of LACNIC addresses announced to Internet: 176434688 Equivalent to 10 /8s, 132 /16s and 46 /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: 27988 Total AfriNIC prefixes after maximum aggregation: 5444 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36237 Unique aggregates announced from the AfriNIC address blocks: 11659 AfriNIC Region origin ASes present in the Internet Routing Table: 1629 AfriNIC Prefixes per ASN: 22.24 AfriNIC Region origin ASes announcing only one prefix: 565 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 958 Number of AfriNIC addresses announced to Internet: 107380480 Equivalent to 6 /8s, 102 /16s and 127 /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 9137 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5905 788 691 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4671 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3592 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3500 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3430 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2401 499 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2253 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2117 438 200 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 6269 10275 2719 AMAZON-02, US 11492 4475 297 691 CABLEONE, US 22773 3953 3099 371 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3587 1832 2536 AKAMAI-AS, US 6327 3429 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2618 373 146 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2495 4960 420 CENTURYLINK-US-LEGACY-QWEST, US 20115 2250 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 9121 6920 1692 17 TTNET, TR 12479 6776 1730 150 UNI2-AS, ES 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3941 3191 559 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2921 2273 908 ROSTELECOM-AS, RU 6849 2854 355 21 UKRTELNET, UA 9009 2488 249 1293 M247, GB 34984 2238 358 632 TELLCOM-AS, TR 58224 1815 931 614 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 10621 3391 561 Uninet S.A. de C.V., MX 10620 3475 519 738 Telmex Colombia S.A., CO 11830 2432 369 63 Instituto Costarricense de Electricidad 13999 1770 297 476 Mega Cable, S.A. de C.V., MX 6503 1455 355 526 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 1080 369 21 Telefonica del Peru S.A.A., PE 11664 1022 192 443 Techtel LMDS Comunicaciones Interactiva 11172 961 133 63 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 1654 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 914 65 59 ORANGE-COTE-IVOIRE, CI 36935 773 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 512 51 33 WANANCHI-, KE 37342 467 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 10621 3391 561 Uninet S.A. de C.V., MX 9808 9137 8879 35 CHINAMOBILE-CN China Mobile Communicati 9121 6920 1692 17 TTNET, TR 12479 6776 1730 150 UNI2-AS, ES 16509 6269 10275 2719 AMAZON-02, US 7545 5905 788 691 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4671 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4475 297 691 CABLEONE, US 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3953 3099 371 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 9137 9102 CHINAMOBILE-CN China Mobile Communications Grou 9121 6920 6903 TTNET, TR 12479 6776 6626 UNI2-AS, ES 7545 5905 5214 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4671 4596 ERX-CERNET-BKB China Education and Research Net 8551 4009 3970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4475 3784 CABLEONE, US 22773 3953 3582 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 /10:41 /11:100 /12:307 /13:592 /14:1208 /15:2099 /16:13564 /17:8320 /18:13932 /19:25222 /20:43967 /21:52193 /22:108384 /23:96113 /24:530935 /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 6039 6920 TTNET, TR 12479 5757 6776 UNI2-AS, ES 8151 4276 10621 Uninet S.A. de C.V., MX 8551 3475 4009 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3381 4475 CABLEONE, US 6327 3243 3429 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2945 3953 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2710 2854 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1929 2:1041 3:154 4:7 5:3783 6:104 7:5 8:1543 9:1 11:172 12:1709 13:295 14:2373 15:194 16:45 17:385 18:160 20:191 21:4 22:188 23:5668 24:2300 25:6 27:2649 29:19 31:2418 32:93 34:1 35:73 36:1751 37:4419 38:2796 39:700 40:153 41:3966 42:1094 43:2199 44:294 45:16014 46:4111 47:341 49:1676 50:2168 51:100 52:1417 54:365 55:738 56:8 57:59 58:1856 59:1185 60:965 61:2250 62:2506 63:1950 64:5532 65:2318 66:4862 67:2997 68:1192 69:4160 70:1341 71:649 72:3051 74:2660 75:1390 76:591 77:2184 78:3479 79:3110 80:1980 81:1700 82:1492 83:1208 84:1363 85:3531 86:709 87:1960 88:2406 89:3288 90:524 91:7624 92:2000 93:2586 94:3500 95:4515 96:1308 97:350 98:994 99:737 100:76 101:1048 102:2073 103:29222 104:4367 105:466 106:858 107:2540 108:831 109:4218 110:2037 111:3231 112:2026 113:1508 114:1498 115:2145 116:1886 117:2520 118:2336 119:1876 120:1659 121:1102 122:2561 123:2146 124:1542 125:2139 128:1256 129:1100 130:970 131:2057 132:805 133:372 134:1918 135:288 136:885 137:996 138:2462 139:1510 140:863 141:1402 142:1304 143:1449 144:1207 145:343 146:1823 147:1463 148:2250 149:1721 150:853 151:1078 152:1852 153:535 154:3576 155:1423 156:1860 157:1227 158:1040 159:2132 160:2478 161:1264 162:3458 163:1270 164:1642 165:1616 166:713 167:1738 168:3803 169:840 170:4505 171:829 172:3151 173:3095 174:1025 175:1130 176:3523 177:4648 178:3501 179:2016 180:2344 181:2979 182:3208 183:1956 184:2386 185:19470 186:4354 187:3699 188:3852 189:3216 190:8945 191:1328 192:11015 193:8596 194:6992 195:4972 196:3004 197:2414 198:5974 199:6049 200:7484 201:5706 202:10486 203:10234 204:4558 205:3444 206:3773 207:3395 208:4050 209:4673 210:4322 211:2451 212:4041 213:3431 214:1160 215:67 216:6462 217:2666 218:1271 219:547 220:1961 221:982 222:847 223:2113 End of report