IPv4 R&E Routing Table Report 21:10 GMT Fri 11 Mar, 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: 893009 Prefixes after maximum aggregation (per Origin AS): 334347 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 428556 Number of IPv4 prefixes with a valid ROA: 314162 Number of IPv4 prefixes with an invalid ROA: 2884 Number of IPv4 prefixes with no ROA: 575963 Total ASes present in the Internet Routing Table: 72809 Prefixes per ASN: 12.27 Origin-only ASes present in the Internet Routing Table: 62505 Origin ASes announcing only one prefix: 25638 Transit ASes present in the Internet Routing Table: 10304 Transit-only ASes present in the Internet Routing Table: 385 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: 943 Number of instances of unregistered ASNs: 949 Number of 32-bit ASNs allocated by the RIRs: 38761 Number of 32-bit ASNs visible in the Routing Table: 32268 Prefixes from 32-bit ASNs in the Routing Table: 151594 Number of bogon 32-bit ASNs visible in the Routing Table: 48 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 528 Number of addresses announced to Internet: 3068196608 Equivalent to 182 /8s, 224 /16s and 247 /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: 300979 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235316 Total APNIC prefixes after maximum aggregation: 65908 APNIC Deaggregation factor: 3.57 Prefixes being announced from the APNIC address blocks: 230319 Unique aggregates announced from the APNIC address blocks: 94426 APNIC Region origin ASes present in the Internet Routing Table: 12448 APNIC Prefixes per ASN: 18.50 APNIC Region origin ASes announcing only one prefix: 3528 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: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7670 Number of APNIC addresses announced to Internet: 773779968 Equivalent to 46 /8s, 30 /16s and 242 /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: 260524 Total ARIN prefixes after maximum aggregation: 119397 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260555 Unique aggregates announced from the ARIN address blocks: 123790 ARIN Region origin ASes present in the Internet Routing Table: 18973 ARIN Prefixes per ASN: 13.73 ARIN Region origin ASes announcing only one prefix: 6887 ARIN Region transit ASes present in the Internet Routing Table: 1945 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: 4384 Number of ARIN addresses announced to Internet: 1295752704 Equivalent to 77 /8s, 59 /16s and 158 /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: 254220 Total RIPE prefixes after maximum aggregation: 115568 RIPE Deaggregation factor: 2.20 Prefixes being announced from the RIPE address blocks: 251385 Unique aggregates announced from the RIPE address blocks: 149876 RIPE Region origin ASes present in the Internet Routing Table: 28084 RIPE Prefixes per ASN: 8.95 RIPE Region origin ASes announcing only one prefix: 12034 RIPE Region transit ASes present in the Internet Routing Table: 3945 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 251 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10653 Number of RIPE addresses announced to Internet: 714199808 Equivalent to 42 /8s, 145 /16s and 211 /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: 114335 Total LACNIC prefixes after maximum aggregation: 27374 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114324 Unique aggregates announced from the LACNIC address blocks: 48169 LACNIC Region origin ASes present in the Internet Routing Table: 10930 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 2641 LACNIC Region transit ASes present in the Internet Routing Table: 2198 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: 8628 Number of LACNIC addresses announced to Internet: 176297216 Equivalent to 10 /8s, 130 /16s and 21 /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: 27671 Total AfriNIC prefixes after maximum aggregation: 5411 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 35897 Unique aggregates announced from the AfriNIC address blocks: 11854 AfriNIC Region origin ASes present in the Internet Routing Table: 1597 AfriNIC Prefixes per ASN: 22.48 AfriNIC Region origin ASes announcing only one prefix: 548 AfriNIC Region transit ASes present in the Internet Routing Table: 324 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: 933 Number of AfriNIC addresses announced to Internet: 107854336 Equivalent to 6 /8s, 109 /16s and 186 /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 9092 8881 37 CHINAMOBILE-CN China Mobile Communicati 7545 5877 788 688 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4643 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3603 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 2382 475 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2290 11120 607 KIXS-AS-KR Korea Telecom, KR 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2110 429 198 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 6365 10248 2646 AMAZON-02, US 11492 4448 295 738 CABLEONE, US 22773 3952 3082 374 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3895 263 26 VIASAT-SP-BACKBONE, US 16625 3656 1882 2574 AKAMAI-AS, US 6327 3400 1318 61 SHAW, CA 749 2884 50780 2140 DNIC-AS-00749, US 30036 2614 374 129 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2517 4962 428 CENTURYLINK-US-LEGACY-QWEST, US 20115 2257 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 6895 1692 17 TTNET, TR 12479 6806 1730 149 UNI2-AS, ES 8551 4014 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3929 3191 541 AKAMAI-ASN1, NL 39891 3818 220 33 ALJAWWALSTC-AS, SA 12389 2932 2274 908 ROSTELECOM-AS, RU 6849 2828 355 21 UKRTELNET, UA 9009 2474 250 1292 M247, GB 34984 2239 359 614 TELLCOM-AS, TR 58224 1798 929 597 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 10457 3427 551 Uninet S.A. de C.V., MX 10620 3468 518 715 Telmex Colombia S.A., CO 11830 2426 369 62 Instituto Costarricense de Electricidad 13999 1707 291 473 Mega Cable, S.A. de C.V., MX 6503 1442 355 525 Axtel, S.A.B. de C.V., MX 28573 1386 2332 248 CLARO S.A., BR 3816 1254 666 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1132 2349 136 TIM SA, BR 6147 1092 369 21 Telefonica del Peru S.A.A., PE 11664 1008 192 447 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 1588 393 21 LINKdotNET-AS, EG 24835 1545 523 32 RAYA-AS, EG 36992 1300 1518 262 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 908 64 62 ORANGE-COTE-IVOIRE, CI 36935 729 521 40 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 517 51 34 WANANCHI-, KE 37342 469 32 1 MOVITEL, MZ 23889 421 232 15 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 10457 3427 551 Uninet S.A. de C.V., MX 9808 9092 8881 37 CHINAMOBILE-CN China Mobile Communicati 9121 6895 1692 17 TTNET, TR 12479 6806 1730 149 UNI2-AS, ES 16509 6365 10248 2646 AMAZON-02, US 7545 5877 788 688 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4643 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4448 295 738 CABLEONE, US 8551 4014 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3952 3082 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 9092 9055 CHINAMOBILE-CN China Mobile Communications Grou 9121 6895 6878 TTNET, TR 12479 6806 6657 UNI2-AS, ES 7545 5877 5189 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4643 4570 ERX-CERNET-BKB China Education and Research Net 8551 4014 3975 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3869 VIASAT-SP-BACKBONE, US 39891 3818 3785 ALJAWWALSTC-AS, SA 16509 6365 3719 AMAZON-02, US 11492 4448 3710 CABLEONE, 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 100.64.3.0/24 48276 LEVEL-AS, RU 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 /12:305 /13:589 /14:1201 /15:2068 /16:13595 /17:8338 /18:13923 /19:25229 /20:43608 /21:52307 /22:108195 /23:95545 /24:527936 /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 6008 6895 TTNET, TR 12479 5787 6806 UNI2-AS, ES 8151 4113 10457 Uninet S.A. de C.V., MX 8551 3479 4014 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3361 4448 CABLEONE, US 6327 3213 3400 SHAW, CA 39891 3130 3818 ALJAWWALSTC-AS, SA 7155 2988 3895 VIASAT-SP-BACKBONE, US 22773 2936 3952 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2683 2828 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1906 2:1060 3:154 4:7 5:3787 6:112 7:5 8:1535 9:1 11:172 12:1714 13:305 14:2378 15:176 16:42 17:376 18:146 20:183 21:4 22:188 23:5522 24:2334 25:6 27:2678 29:19 31:2422 32:93 34:1 35:64 36:1745 37:4363 38:2612 39:696 40:150 41:3937 42:1074 43:2118 44:298 45:16097 46:4111 47:347 49:1667 50:1927 51:107 52:1374 53:1 54:328 55:758 56:8 57:59 58:1823 59:1181 60:967 61:2257 62:2460 63:1944 64:5512 65:2305 66:4872 67:2978 68:1195 69:4152 70:1352 71:676 72:3074 74:2644 75:1517 76:716 77:2108 78:3442 79:3106 80:1952 81:1651 82:1475 83:1216 84:1346 85:3504 86:719 87:1965 88:2330 89:3252 90:519 91:7614 92:2006 93:2582 94:3497 95:4532 96:1306 97:347 98:989 99:865 100:76 101:1050 102:1963 103:28676 104:4262 105:461 106:850 107:2497 108:796 109:4199 110:2070 111:3228 112:2004 113:1484 114:1497 115:2136 116:1888 117:2519 118:2342 119:1899 120:1640 121:1089 122:2536 123:2145 124:1558 125:2124 128:1221 129:1190 130:925 131:2074 132:789 133:373 134:1933 135:289 136:879 137:1017 138:2458 139:1250 140:1141 141:1383 142:1279 143:1485 144:1238 145:344 146:1770 147:1501 148:2240 149:1714 150:859 151:1082 152:1831 153:533 154:3613 155:1435 156:1873 157:1235 158:1024 159:2081 160:2418 161:1321 162:3460 163:1235 164:1671 165:1613 166:676 167:1751 168:3732 169:695 170:4427 171:820 172:3048 173:3078 174:1022 175:1142 176:3508 177:4563 178:3442 179:1960 180:2337 181:2934 182:3205 183:1956 184:2390 185:19399 186:4332 187:3630 188:3853 189:3056 190:8934 191:1308 192:11062 193:8550 194:6975 195:4967 196:2942 197:2346 198:5997 199:6021 200:7499 201:5665 202:10536 203:10199 204:4564 205:3385 206:3782 207:3388 208:4060 209:4659 210:4296 211:2444 212:3982 213:3401 214:1159 215:66 216:6448 217:2636 218:1245 219:574 220:2029 221:986 222:851 223:2143 End of report