IPv4 R&E Routing Table Report 21:10 GMT Wed 06 Apr, 2022 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: 894345 Prefixes after maximum aggregation (per Origin AS): 335436 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 429337 Number of IPv4 prefixes with a valid ROA: 319758 Number of IPv4 prefixes with an invalid ROA: 3129 Number of IPv4 prefixes with no ROA: 571458 Total ASes present in the Internet Routing Table: 72931 Prefixes per ASN: 12.26 Origin-only ASes present in the Internet Routing Table: 62640 Origin ASes announcing only one prefix: 25706 Transit ASes present in the Internet Routing Table: 10291 Transit-only ASes present in the Internet Routing Table: 369 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: 852 Number of instances of unregistered ASNs: 860 Number of 32-bit ASNs allocated by the RIRs: 39013 Number of 32-bit ASNs visible in the Routing Table: 32413 Prefixes from 32-bit ASNs in the Routing Table: 152603 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: 455 Number of addresses announced to Internet: 3067346688 Equivalent to 182 /8s, 211 /16s and 255 /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: 99.5 Total number of prefixes smaller than registry allocations: 301629 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235741 Total APNIC prefixes after maximum aggregation: 66267 APNIC Deaggregation factor: 3.56 Prefixes being announced from the APNIC address blocks: 230805 Unique aggregates announced from the APNIC address blocks: 94350 APNIC Region origin ASes present in the Internet Routing Table: 12510 APNIC Prefixes per ASN: 18.45 APNIC Region origin ASes announcing only one prefix: 3538 APNIC Region transit ASes present in the Internet Routing Table: 1715 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: 7722 Number of APNIC addresses announced to Internet: 773556992 Equivalent to 46 /8s, 27 /16s and 139 /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: 260485 Total ARIN prefixes after maximum aggregation: 119624 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260414 Unique aggregates announced from the ARIN address blocks: 123913 ARIN Region origin ASes present in the Internet Routing Table: 19015 ARIN Prefixes per ASN: 13.70 ARIN Region origin ASes announcing only one prefix: 6916 ARIN Region transit ASes present in the Internet Routing Table: 1934 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: 4434 Number of ARIN addresses announced to Internet: 1295205376 Equivalent to 77 /8s, 51 /16s and 68 /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: 255032 Total RIPE prefixes after maximum aggregation: 115956 RIPE Deaggregation factor: 2.20 Prefixes being announced from the RIPE address blocks: 252369 Unique aggregates announced from the RIPE address blocks: 150733 RIPE Region origin ASes present in the Internet Routing Table: 28103 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 3935 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: 10670 Number of RIPE addresses announced to Internet: 714251264 Equivalent to 42 /8s, 146 /16s and 156 /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: 114502 Total LACNIC prefixes after maximum aggregation: 27483 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 114436 Unique aggregates announced from the LACNIC address blocks: 48251 LACNIC Region origin ASes present in the Internet Routing Table: 10943 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2199 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: 176390656 Equivalent to 10 /8s, 131 /16s and 130 /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: 27733 Total AfriNIC prefixes after maximum aggregation: 5457 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 35865 Unique aggregates announced from the AfriNIC address blocks: 11694 AfriNIC Region origin ASes present in the Internet Routing Table: 1618 AfriNIC Prefixes per ASN: 22.17 AfriNIC Region origin ASes announcing only one prefix: 559 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 949 Number of AfriNIC addresses announced to Internet: 107682304 Equivalent to 6 /8s, 107 /16s and 26 /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 5897 788 693 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 3497 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 6128 10256 2687 AMAZON-02, US 11492 4467 296 697 CABLEONE, US 22773 3946 3082 372 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3900 264 31 VIASAT-SP-BACKBONE, US 16625 3637 1866 2564 AKAMAI-AS, US 6327 3426 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2611 373 138 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 6924 1692 17 TTNET, TR 12479 6811 1730 149 UNI2-AS, ES 8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3937 3192 551 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2931 2274 908 ROSTELECOM-AS, RU 6849 2831 355 21 UKRTELNET, UA 9009 2474 247 1288 M247, GB 34984 2217 356 622 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 10528 3392 552 Uninet S.A. de C.V., MX 10620 3477 519 717 Telmex Colombia S.A., CO 11830 2431 369 63 Instituto Costarricense de Electricidad 13999 1729 293 471 Mega Cable, S.A. de C.V., MX 6503 1452 355 525 Axtel, S.A.B. de C.V., MX 28573 1384 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 1006 192 447 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 1631 393 21 LINKdotNET-AS, EG 24835 1444 515 32 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 896 64 59 ORANGE-COTE-IVOIRE, CI 6713 613 1863 34 IAM-AS, MA 36935 606 520 43 Vodafone-, EG 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 10528 3392 552 Uninet S.A. de C.V., MX 9808 9137 8879 35 CHINAMOBILE-CN China Mobile Communicati 9121 6924 1692 17 TTNET, TR 12479 6811 1730 149 UNI2-AS, ES 16509 6128 10256 2687 AMAZON-02, US 7545 5897 788 693 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4678 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4467 296 697 CABLEONE, US 8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3946 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 9137 9102 CHINAMOBILE-CN China Mobile Communications Grou 9121 6924 6907 TTNET, TR 12479 6811 6662 UNI2-AS, ES 7545 5897 5204 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4678 4603 ERX-CERNET-BKB China Education and Research Net 8551 4003 3964 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3900 3869 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4467 3770 CABLEONE, US 22773 3946 3574 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 /15:2089 /16:13562 /17:8318 /18:13921 /19:25214 /20:43702 /21:52123 /22:108246 /23:95799 /24:529105 /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 6042 6924 TTNET, TR 12479 5788 6811 UNI2-AS, ES 8151 4184 10528 Uninet S.A. de C.V., MX 8551 3476 4003 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3373 4467 CABLEONE, US 6327 3239 3426 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2990 3900 VIASAT-SP-BACKBONE, US 22773 2937 3946 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2683 2831 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1913 2:1042 3:154 4:7 5:3806 6:103 7:5 8:1541 9:1 11:172 12:1712 13:278 14:2375 15:192 16:45 17:379 18:145 20:194 21:4 22:188 23:5594 24:2295 25:4 27:2669 29:19 31:2459 32:94 34:1 35:69 36:1752 37:4420 38:2729 39:714 40:151 41:3936 42:1093 43:2184 44:290 45:16051 46:4109 47:343 49:1659 50:1924 51:100 52:1404 53:1 54:362 55:707 56:8 57:59 58:1850 59:1183 60:962 61:2261 62:2488 63:1944 64:5534 65:2302 66:4843 67:2997 68:1182 69:4155 70:1342 71:663 72:3060 74:2670 75:1388 76:588 77:2152 78:3464 79:3108 80:1980 81:1707 82:1474 83:1204 84:1366 85:3514 86:713 87:1963 88:2401 89:3292 90:525 91:7619 92:1981 93:2590 94:3453 95:4500 96:1305 97:348 98:989 99:739 100:74 101:1045 102:2043 103:28911 104:4291 105:464 106:852 107:2511 108:826 109:4223 110:2071 111:3246 112:2011 113:1482 114:1491 115:2137 116:1880 117:2525 118:2336 119:1905 120:1648 121:1093 122:2538 123:2154 124:1538 125:2133 128:1223 129:1215 130:924 131:2066 132:802 133:373 134:1927 135:287 136:881 137:1018 138:2457 139:1504 140:861 141:1405 142:1290 143:1483 144:1232 145:340 146:1779 147:1497 148:2244 149:1663 150:867 151:1078 152:1838 153:535 154:3508 155:1441 156:1848 157:1228 158:1028 159:2089 160:2462 161:1324 162:3459 163:1247 164:1650 165:1618 166:702 167:1744 168:3749 169:710 170:4435 171:821 172:3108 173:3082 174:1019 175:1142 176:3516 177:4580 178:3456 179:2013 180:2338 181:2938 182:3201 183:1955 184:2388 185:19493 186:4390 187:3636 188:3870 189:3140 190:8981 191:1290 192:11022 193:8582 194:6961 195:4963 196:2972 197:2404 198:6025 199:6018 200:7500 201:5662 202:10568 203:10222 204:4543 205:3373 206:3774 207:3399 208:4044 209:4676 210:4308 211:2450 212:4006 213:3437 214:1157 215:67 216:6455 217:2664 218:1261 219:547 220:2028 221:984 222:849 223:2113 End of report