IPv4 R&E Routing Table Report 21:10 GMT Thu 14 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: 896253 Prefixes after maximum aggregation (per Origin AS): 335702 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 429648 Number of IPv4 prefixes with a valid ROA: 321240 Number of IPv4 prefixes with an invalid ROA: 3173 Number of IPv4 prefixes with no ROA: 571840 Total ASes present in the Internet Routing Table: 72976 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 62670 Origin ASes announcing only one prefix: 25670 Transit ASes present in the Internet Routing Table: 10306 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: 1055 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 39086 Number of 32-bit ASNs visible in the Routing Table: 32474 Prefixes from 32-bit ASNs in the Routing Table: 153341 Number of bogon 32-bit ASNs visible in the Routing Table: 49 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 681 Number of addresses announced to Internet: 3067272192 Equivalent to 182 /8s, 210 /16s and 220 /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: 301941 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236587 Total APNIC prefixes after maximum aggregation: 66254 APNIC Deaggregation factor: 3.57 Prefixes being announced from the APNIC address blocks: 231417 Unique aggregates announced from the APNIC address blocks: 94456 APNIC Region origin ASes present in the Internet Routing Table: 12540 APNIC Prefixes per ASN: 18.45 APNIC Region origin ASes announcing only one prefix: 3551 APNIC Region transit ASes present in the Internet Routing Table: 1727 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: 7761 Number of APNIC addresses announced to Internet: 773744384 Equivalent to 46 /8s, 30 /16s and 103 /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: 260830 Total ARIN prefixes after maximum aggregation: 119686 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260834 Unique aggregates announced from the ARIN address blocks: 124132 ARIN Region origin ASes present in the Internet Routing Table: 18992 ARIN Prefixes per ASN: 13.73 ARIN Region origin ASes announcing only one prefix: 6891 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: 38 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4438 Number of ARIN addresses announced to Internet: 1295194880 Equivalent to 77 /8s, 51 /16s and 27 /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: 255046 Total RIPE prefixes after maximum aggregation: 115989 RIPE Deaggregation factor: 2.20 Prefixes being announced from the RIPE address blocks: 252469 Unique aggregates announced from the RIPE address blocks: 150451 RIPE Region origin ASes present in the Internet Routing Table: 28105 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12023 RIPE Region transit ASes present in the Internet Routing Table: 3943 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: 10674 Number of RIPE addresses announced to Internet: 714079488 Equivalent to 42 /8s, 143 /16s and 253 /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: 114893 Total LACNIC prefixes after maximum aggregation: 27573 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 114782 Unique aggregates announced from the LACNIC address blocks: 48316 LACNIC Region origin ASes present in the Internet Routing Table: 10947 LACNIC Prefixes per ASN: 10.49 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2188 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: 8643 Number of LACNIC addresses announced to Internet: 176412672 Equivalent to 10 /8s, 131 /16s and 216 /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: 27842 Total AfriNIC prefixes after maximum aggregation: 5470 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36069 Unique aggregates announced from the AfriNIC address blocks: 11738 AfriNIC Region origin ASes present in the Internet Routing Table: 1626 AfriNIC Prefixes per ASN: 22.18 AfriNIC Region origin ASes announcing only one prefix: 565 AfriNIC Region transit ASes present in the Internet Routing Table: 336 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: 107372032 Equivalent to 6 /8s, 102 /16s and 94 /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 9213 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5906 788 693 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4685 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3607 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3430 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2393 491 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2165 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2116 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 6198 10267 2702 AMAZON-02, US 11492 4472 297 692 CABLEONE, US 22773 3947 3099 374 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3900 264 31 VIASAT-SP-BACKBONE, US 16625 3626 1856 2557 AKAMAI-AS, US 6327 3430 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2616 374 118 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2521 4962 423 CENTURYLINK-US-LEGACY-QWEST, US 20115 2256 3042 502 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 6917 1692 17 TTNET, TR 12479 6826 1730 149 UNI2-AS, ES 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3933 3192 552 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2928 2274 909 ROSTELECOM-AS, RU 6849 2761 355 21 UKRTELNET, UA 9009 2464 245 1276 M247, GB 34984 2233 357 629 TELLCOM-AS, TR 58224 1806 931 605 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 10546 3392 559 Uninet S.A. de C.V., MX 10620 3466 518 753 Telmex Colombia S.A., CO 11830 2430 369 63 Instituto Costarricense de Electricidad 13999 1736 294 473 Mega Cable, S.A. de C.V., MX 6503 1453 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 1086 369 21 Telefonica del Peru S.A.A., PE 11664 1009 193 449 Techtel LMDS Comunicaciones Interactiva 11172 960 133 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 1645 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 59 ORANGE-COTE-IVOIRE, CI 36935 771 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 520 51 35 WANANCHI-, KE 37342 468 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 10546 3392 559 Uninet S.A. de C.V., MX 9808 9213 8879 35 CHINAMOBILE-CN China Mobile Communicati 9121 6917 1692 17 TTNET, TR 12479 6826 1730 149 UNI2-AS, ES 16509 6198 10267 2702 AMAZON-02, US 7545 5906 788 693 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4685 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4472 297 692 CABLEONE, US 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3947 3099 374 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 9213 9178 CHINAMOBILE-CN China Mobile Communications Grou 9121 6917 6900 TTNET, TR 12479 6826 6677 UNI2-AS, ES 7545 5906 5213 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4685 4610 ERX-CERNET-BKB China Education and Research Net 8551 4010 3971 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3900 3869 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4472 3780 CABLEONE, US 7552 3607 3588 VIETEL-AS-AP Viettel Group, VN 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, 19397 UNALLOCATED 8.5.244.0/24 3257 GTT-BACKBONE GTT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 19397 UNALLOCATED 8.15.12.0/24 3356 LEVEL3, 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 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 /13:590 /14:1205 /15:2093 /16:13541 /17:8259 /18:13915 /19:25228 /20:43850 /21:52263 /22:108443 /23:95990 /24:530399 /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 6035 6917 TTNET, TR 12479 5804 6826 UNI2-AS, ES 8151 4204 10546 Uninet S.A. de C.V., MX 8551 3476 4010 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3378 4472 CABLEONE, US 6327 3243 3430 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2990 3900 VIASAT-SP-BACKBONE, US 22773 2936 3947 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2623 2761 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1927 2:1037 3:154 4:7 5:3790 6:103 7:5 8:1537 9:1 11:172 12:1708 13:291 14:2383 15:191 16:45 17:381 18:155 20:194 21:4 22:188 23:5617 24:2293 25:4 27:2652 29:19 31:2426 32:93 34:1 35:72 36:1751 37:4420 38:2757 39:726 40:153 41:3934 42:1093 43:2201 44:287 45:16098 46:4121 47:337 49:1650 50:1941 51:100 52:1408 53:1 54:363 55:709 56:8 57:59 58:1849 59:1179 60:964 61:2259 62:2490 63:1955 64:5522 65:2299 66:4860 67:3000 68:1183 69:4152 70:1341 71:664 72:3049 74:2671 75:1388 76:589 77:2169 78:3469 79:3111 80:1984 81:1716 82:1483 83:1199 84:1366 85:3516 86:707 87:1962 88:2395 89:3271 90:526 91:7621 92:1991 93:2594 94:3469 95:4524 96:1294 97:348 98:990 99:740 100:74 101:1053 102:2054 103:29098 104:4375 105:466 106:858 107:2540 108:828 109:4226 110:2068 111:3258 112:2027 113:1488 114:1495 115:2141 116:1889 117:2539 118:2331 119:1903 120:1666 121:1095 122:2551 123:2155 124:1540 125:2133 128:1237 129:1226 130:966 131:2061 132:808 133:373 134:1928 135:288 136:886 137:1018 138:2469 139:1504 140:861 141:1401 142:1302 143:1474 144:1243 145:342 146:1806 147:1502 148:2254 149:1710 150:870 151:1083 152:1844 153:535 154:3533 155:1440 156:1860 157:1222 158:1033 159:2088 160:2472 161:1317 162:3457 163:1256 164:1634 165:1618 166:711 167:1744 168:3800 169:712 170:4468 171:823 172:3153 173:3090 174:1020 175:1141 176:3516 177:4616 178:3476 179:2018 180:2342 181:2966 182:3197 183:1951 184:2385 185:19459 186:4416 187:3643 188:3872 189:3177 190:9002 191:1324 192:11017 193:8586 194:6963 195:4950 196:2976 197:2416 198:6037 199:6034 200:7509 201:5682 202:10564 203:10225 204:4555 205:3382 206:3770 207:3408 208:4062 209:4684 210:4312 211:2451 212:4015 213:3429 214:1159 215:67 216:6457 217:2671 218:1272 219:550 220:2027 221:983 222:847 223:2119 End of report