IPv4 R&E Routing Table Report 21:10 GMT Sun 01 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: 897277 Prefixes after maximum aggregation (per Origin AS): 336267 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 430453 Number of IPv4 prefixes with a valid ROA: 325088 Number of IPv4 prefixes with an invalid ROA: 3056 Number of IPv4 prefixes with no ROA: 569133 Total ASes present in the Internet Routing Table: 73079 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 62787 Origin ASes announcing only one prefix: 25721 Transit ASes present in the Internet Routing Table: 10292 Transit-only ASes present in the Internet Routing Table: 362 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: 877 Number of instances of unregistered ASNs: 887 Number of 32-bit ASNs allocated by the RIRs: 39268 Number of 32-bit ASNs visible in the Routing Table: 32617 Prefixes from 32-bit ASNs in the Routing Table: 154188 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: 486 Number of addresses announced to Internet: 3067299840 Equivalent to 182 /8s, 211 /16s and 72 /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: 302675 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236260 Total APNIC prefixes after maximum aggregation: 66451 APNIC Deaggregation factor: 3.56 Prefixes being announced from the APNIC address blocks: 231156 Unique aggregates announced from the APNIC address blocks: 94683 APNIC Region origin ASes present in the Internet Routing Table: 12608 APNIC Prefixes per ASN: 18.33 APNIC Region origin ASes announcing only one prefix: 3572 APNIC Region transit ASes present in the Internet Routing Table: 1738 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: 7823 Number of APNIC addresses announced to Internet: 773766656 Equivalent to 46 /8s, 30 /16s and 190 /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: 261671 Total ARIN prefixes after maximum aggregation: 119880 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261702 Unique aggregates announced from the ARIN address blocks: 124563 ARIN Region origin ASes present in the Internet Routing Table: 19014 ARIN Prefixes per ASN: 13.76 ARIN Region origin ASes announcing only one prefix: 6902 ARIN Region transit ASes present in the Internet Routing Table: 1928 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: 4474 Number of ARIN addresses announced to Internet: 1295568128 Equivalent to 77 /8s, 56 /16s and 205 /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: 255490 Total RIPE prefixes after maximum aggregation: 116215 RIPE Deaggregation factor: 2.20 Prefixes being announced from the RIPE address blocks: 252850 Unique aggregates announced from the RIPE address blocks: 150556 RIPE Region origin ASes present in the Internet Routing Table: 28130 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 3940 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: 10712 Number of RIPE addresses announced to Internet: 713852160 Equivalent to 42 /8s, 140 /16s and 133 /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: 114987 Total LACNIC prefixes after maximum aggregation: 27594 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 114840 Unique aggregates announced from the LACNIC address blocks: 48519 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: 2647 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: 65 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8649 Number of LACNIC addresses announced to Internet: 176430848 Equivalent to 10 /8s, 132 /16s and 31 /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: 27992 Total AfriNIC prefixes after maximum aggregation: 5447 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36242 Unique aggregates announced from the AfriNIC address blocks: 11710 AfriNIC Region origin ASes present in the Internet Routing Table: 1629 AfriNIC Prefixes per ASN: 22.25 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: 959 Number of AfriNIC addresses announced to Internet: 107404800 Equivalent to 6 /8s, 102 /16s and 222 /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 5906 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 2400 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 2119 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 6273 10277 2707 AMAZON-02, US 11492 4474 297 690 CABLEONE, US 22773 3951 3099 371 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3591 1832 2537 AKAMAI-AS, US 6327 3429 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2623 374 119 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2518 4962 421 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 6922 1692 17 TTNET, TR 12479 6777 1730 150 UNI2-AS, ES 8551 4008 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 2486 248 1292 M247, GB 34984 2238 358 632 TELLCOM-AS, TR 58224 1817 931 616 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 10616 3391 561 Uninet S.A. de C.V., MX 10620 3473 519 741 Telmex Colombia S.A., CO 11830 2433 369 63 Instituto Costarricense de Electricidad 13999 1771 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 1021 191 442 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 10616 3391 561 Uninet S.A. de C.V., MX 9808 9137 8879 35 CHINAMOBILE-CN China Mobile Communicati 9121 6922 1692 17 TTNET, TR 12479 6777 1730 150 UNI2-AS, ES 16509 6273 10277 2707 AMAZON-02, US 7545 5906 788 691 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4671 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4474 297 690 CABLEONE, US 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3951 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 6922 6905 TTNET, TR 12479 6777 6627 UNI2-AS, ES 7545 5906 5215 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4671 4596 ERX-CERNET-BKB China Education and Research Net 8551 4008 3969 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4474 3784 CABLEONE, US 22773 3951 3580 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 /16:13567 /17:8323 /18:13936 /19:25237 /20:43964 /21:52229 /22:108430 /23:96175 /24:531039 /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 6041 6922 TTNET, TR 12479 5758 6777 UNI2-AS, ES 8151 4272 10616 Uninet S.A. de C.V., MX 8551 3474 4008 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3380 4474 CABLEONE, US 6327 3243 3429 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2943 3951 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 2:1040 3:154 4:7 5:3784 6:104 7:5 8:1542 9:1 11:172 12:1708 13:299 14:2372 15:192 16:45 17:385 18:160 20:191 21:4 22:188 23:5667 24:2301 25:6 27:2650 29:19 31:2416 32:93 34:1 35:73 36:1751 37:4423 38:2827 39:700 40:153 41:3967 42:1094 43:2199 44:304 45:16026 46:4116 47:344 49:1676 50:2168 51:100 52:1417 54:364 55:737 56:8 57:59 58:1856 59:1186 60:965 61:2249 62:2490 63:1953 64:5518 65:2318 66:4859 67:2996 68:1193 69:4163 70:1340 71:649 72:3050 74:2661 75:1387 76:591 77:2189 78:3480 79:3113 80:1980 81:1700 82:1494 83:1207 84:1367 85:3517 86:711 87:1964 88:2408 89:3300 90:524 91:7625 92:2004 93:2588 94:3509 95:4515 96:1307 97:350 98:992 99:737 100:75 101:1048 102:2074 103:29072 104:4365 105:466 106:858 107:2537 108:837 109:4215 110:2035 111:3230 112:2026 113:1506 114:1498 115:2147 116:1884 117:2519 118:2336 119:1875 120:1659 121:1101 122:2559 123:2147 124:1542 125:2139 128:1256 129:1101 130:971 131:2055 132:804 133:372 134:1918 135:287 136:882 137:995 138:2460 139:1511 140:864 141:1402 142:1302 143:1441 144:1207 145:343 146:1825 147:1482 148:2250 149:1726 150:853 151:1079 152:1853 153:535 154:3566 155:1424 156:1863 157:1227 158:1038 159:2131 160:2475 161:1282 162:3461 163:1270 164:1637 165:1616 166:713 167:1736 168:3803 169:841 170:4502 171:829 172:3153 173:3097 174:1025 175:1129 176:3524 177:4641 178:3504 179:2028 180:2343 181:2974 182:3208 183:1956 184:2387 185:19489 186:4347 187:3698 188:3859 189:3211 190:8975 191:1328 192:11015 193:8604 194:6995 195:4980 196:3006 197:2415 198:6030 199:6042 200:7484 201:5703 202:10487 203:10238 204:4546 205:3438 206:3770 207:3395 208:4051 209:4682 210:4322 211:2452 212:4043 213:3441 214:1157 215:67 216:6460 217:2665 218:1271 219:549 220:2028 221:982 222:847 223:2114 End of report