IPv4 R&E Routing Table Report 21:10 GMT Wed 23 Feb, 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: 891479 Prefixes after maximum aggregation (per Origin AS): 335190 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 428288 Number of IPv4 prefixes with a valid ROA: 310910 Number of IPv4 prefixes with an invalid ROA: 2571 Number of IPv4 prefixes with no ROA: 577998 Total ASes present in the Internet Routing Table: 72884 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 62573 Origin ASes announcing only one prefix: 25758 Transit ASes present in the Internet Routing Table: 10311 Transit-only ASes present in the Internet Routing Table: 375 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 251 Max AS path prepend of ASN ( 21299) 245 Prefixes from unregistered ASNs in the Routing Table: 911 Number of instances of unregistered ASNs: 917 Number of 32-bit ASNs allocated by the RIRs: 38610 Number of 32-bit ASNs visible in the Routing Table: 32206 Prefixes from 32-bit ASNs in the Routing Table: 150826 Number of bogon 32-bit ASNs visible in the Routing Table: 47 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 521 Number of addresses announced to Internet: 3067584000 Equivalent to 182 /8s, 215 /16s and 158 /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: 300420 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235103 Total APNIC prefixes after maximum aggregation: 65649 APNIC Deaggregation factor: 3.58 Prefixes being announced from the APNIC address blocks: 230021 Unique aggregates announced from the APNIC address blocks: 94221 APNIC Region origin ASes present in the Internet Routing Table: 12406 APNIC Prefixes per ASN: 18.54 APNIC Region origin ASes announcing only one prefix: 3534 APNIC Region transit ASes present in the Internet Routing Table: 1718 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7619 Number of APNIC addresses announced to Internet: 773575168 Equivalent to 46 /8s, 27 /16s and 210 /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: 259235 Total ARIN prefixes after maximum aggregation: 119256 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 259163 Unique aggregates announced from the ARIN address blocks: 123662 ARIN Region origin ASes present in the Internet Routing Table: 18990 ARIN Prefixes per ASN: 13.65 ARIN Region origin ASes announcing only one prefix: 6899 ARIN Region transit ASes present in the Internet Routing Table: 1940 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 251 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4364 Number of ARIN addresses announced to Internet: 1295524352 Equivalent to 77 /8s, 56 /16s and 34 /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: 254259 Total RIPE prefixes after maximum aggregation: 116820 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 250752 Unique aggregates announced from the RIPE address blocks: 149352 RIPE Region origin ASes present in the Internet Routing Table: 28191 RIPE Prefixes per ASN: 8.89 RIPE Region origin ASes announcing only one prefix: 12105 RIPE Region transit ASes present in the Internet Routing Table: 3959 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 251 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10667 Number of RIPE addresses announced to Internet: 713698304 Equivalent to 42 /8s, 138 /16s and 44 /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: 114376 Total LACNIC prefixes after maximum aggregation: 27390 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115057 Unique aggregates announced from the LACNIC address blocks: 48639 LACNIC Region origin ASes present in the Internet Routing Table: 10943 LACNIC Prefixes per ASN: 10.51 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2205 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8629 Number of LACNIC addresses announced to Internet: 176410368 Equivalent to 10 /8s, 131 /16s and 207 /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: 27595 Total AfriNIC prefixes after maximum aggregation: 5399 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 35964 Unique aggregates announced from the AfriNIC address blocks: 11966 AfriNIC Region origin ASes present in the Internet Routing Table: 1594 AfriNIC Prefixes per ASN: 22.56 AfriNIC Region origin ASes announcing only one prefix: 555 AfriNIC Region transit ASes present in the Internet Routing Table: 318 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: 927 Number of AfriNIC addresses announced to Internet: 108054016 Equivalent to 6 /8s, 112 /16s and 198 /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 9069 8881 37 CHINAMOBILE-CN China Mobile Communicati 7545 5867 788 685 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4643 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3608 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3495 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3433 1880 57 VNPT-AS-VN VNPT Corp, VN 9498 2377 475 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2302 11121 615 KIXS-AS-KR Korea Telecom, KR 45090 2170 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2115 429 199 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 6329 10195 2706 AMAZON-02, US 11492 4444 295 737 CABLEONE, US 22773 3958 3033 368 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3899 264 30 VIASAT-SP-BACKBONE, US 16625 3666 1890 2573 AKAMAI-AS, US 6327 3385 1318 61 SHAW, CA 749 2887 50780 2143 DNIC-AS-00749, US 30036 2610 374 156 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2521 4962 429 CENTURYLINK-US-LEGACY-QWEST, US 20115 2262 3042 500 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 6959 1692 17 TTNET, TR 12479 6822 1731 150 UNI2-AS, ES 8551 4015 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3891 3193 537 AKAMAI-ASN1, NL 39891 3274 188 25 ALJAWWALSTC-AS, SA 12389 2935 2290 909 ROSTELECOM-AS, RU 9009 2464 249 1285 M247, GB 34984 2237 358 608 TELLCOM-AS, TR 58224 1783 929 579 TCI, IR 47331 1759 279 1335 TTNET, TR 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 10332 3415 566 Uninet S.A. de C.V., MX 10620 3470 520 698 Telmex Colombia S.A., CO 11830 2463 369 62 Instituto Costarricense de Electricidad 13999 1676 286 473 Mega Cable, S.A. de C.V., MX 6503 1443 355 525 Axtel, S.A.B. de C.V., MX 28573 1385 2331 246 CLARO S.A., BR 3816 1251 660 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1152 2351 140 TIM SA, BR 6147 1089 369 21 Telefonica del Peru S.A.A., PE 11664 1001 191 448 Techtel LMDS Comunicaciones Interactiva 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 1552 393 21 LINKdotNET-AS, EG 24835 1546 523 32 RAYA-AS, EG 36992 1301 1518 262 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 901 64 61 ORANGE-COTE-IVOIRE, CI 36935 730 521 39 Vodafone-, EG 6713 611 1851 38 IAM-AS, MA 15399 518 51 34 WANANCHI-, KE 37342 468 32 1 MOVITEL, MZ 23889 422 232 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 10332 3415 566 Uninet S.A. de C.V., MX 9808 9069 8881 37 CHINAMOBILE-CN China Mobile Communicati 9121 6959 1692 17 TTNET, TR 12479 6822 1731 150 UNI2-AS, ES 16509 6329 10195 2706 AMAZON-02, US 7545 5867 788 685 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4643 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4444 295 737 CABLEONE, US 8551 4015 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3958 3033 368 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 9069 9032 CHINAMOBILE-CN China Mobile Communications Grou 9121 6959 6942 TTNET, TR 12479 6822 6672 UNI2-AS, ES 7545 5867 5182 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4643 4570 ERX-CERNET-BKB China Education and Research Net 8551 4015 3976 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3899 3869 VIASAT-SP-BACKBONE, US 11492 4444 3707 CABLEONE, US 16509 6329 3623 AMAZON-02, US 22773 3958 3590 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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 46990 UNALLOCATED 8.5.242.0/23 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 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 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 100.64.3.0/24 48276 LEVEL-AS, RU 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 CONVERGE Converge ICT, PH 198.19.226.0/24 56207 CONVERGE Converge ICT, PH 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 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 174 COGENT-174, US 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 174 COGENT-174, US 23.252.163.0/24 Origin: 398968 GROUP-IID-01, US 23.252.163.0/24 Transit: 174 COGENT-174, US 23.252.164.0/24 Origin: 398968 GROUP-IID-01, US 23.252.164.0/24 Transit: 174 COGENT-174, US 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 /12:305 /13:591 /14:1201 /15:2062 /16:13585 /17:8367 /18:13911 /19:25204 /20:43520 /21:52542 /22:108505 /23:95739 /24:525777 /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 6077 6959 TTNET, TR 12479 5790 6822 UNI2-AS, ES 8151 3999 10332 Uninet S.A. de C.V., MX 8551 3479 4015 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3359 4444 CABLEONE, US 6327 3198 3385 SHAW, CA 7155 2989 3899 VIASAT-SP-BACKBONE, US 22773 2949 3958 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2810 3274 ALJAWWALSTC-AS, SA 30036 2266 2610 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1910 2:992 3:154 4:7 5:3776 6:103 7:5 8:1531 9:1 11:172 12:1719 13:416 14:2380 15:168 16:42 17:372 18:140 20:166 21:4 22:188 23:5494 24:2303 25:6 27:2685 29:19 31:2430 32:93 34:1 35:60 36:1733 37:3946 38:2606 39:687 40:149 41:3917 42:1056 43:2131 44:297 45:16062 46:3887 47:337 49:1661 50:1913 51:108 52:1367 53:1 54:294 55:767 56:8 57:59 58:1819 59:1175 60:965 61:2282 62:2457 63:1938 64:5505 65:2299 66:4871 67:2964 68:1188 69:4150 70:1345 71:675 72:3079 74:2622 75:1517 76:719 77:2126 78:3865 79:3108 80:1968 81:1663 82:1462 83:1198 84:1339 85:3640 86:725 87:1961 88:2649 89:3241 90:511 91:7549 92:1894 93:2604 94:3276 95:4492 96:1302 97:347 98:990 99:861 100:76 101:1045 102:1990 103:28495 104:4168 105:463 106:862 107:2484 108:781 109:4208 110:2063 111:3222 112:1990 113:1487 114:1513 115:2139 116:1890 117:2513 118:2350 119:1887 120:1631 121:1087 122:2538 123:2155 124:1560 125:2125 128:1316 129:1186 130:923 131:2082 132:796 133:372 134:1927 135:288 136:870 137:1011 138:2469 139:1241 140:892 141:1366 142:1268 143:1454 144:1226 145:343 146:1796 147:1479 148:2247 149:1606 150:866 151:1074 152:1835 153:528 154:3582 155:1363 156:1876 157:1228 158:1020 159:2053 160:2414 161:1301 162:3457 163:1238 164:1674 165:1581 166:646 167:1745 168:3716 169:682 170:4351 171:823 172:3034 173:3062 174:1022 175:1125 176:3502 177:4546 178:3046 179:1969 180:2342 181:2921 182:3251 183:1942 184:2388 185:19332 186:4330 187:3565 188:3840 189:3026 190:8927 191:1304 192:11067 193:8533 194:6944 195:4997 196:2929 197:2362 198:6021 199:5990 200:7532 201:5667 202:10508 203:10206 204:4553 205:3382 206:3764 207:3383 208:4013 209:4648 210:4292 211:2449 212:3954 213:3393 214:1159 215:64 216:6411 217:2634 218:1243 219:575 220:2039 221:989 222:863 223:2142 End of report