IPv4 R&E Routing Table Report 21:10 GMT Thu 17 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: 893905 Prefixes after maximum aggregation (per Origin AS): 335073 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 428894 Number of IPv4 prefixes with a valid ROA: 315411 Number of IPv4 prefixes with an invalid ROA: 2983 Number of IPv4 prefixes with no ROA: 575511 Total ASes present in the Internet Routing Table: 72879 Prefixes per ASN: 12.27 Origin-only ASes present in the Internet Routing Table: 62572 Origin ASes announcing only one prefix: 25661 Transit ASes present in the Internet Routing Table: 10307 Transit-only ASes present in the Internet Routing Table: 376 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: 928 Number of instances of unregistered ASNs: 934 Number of 32-bit ASNs allocated by the RIRs: 38799 Number of 32-bit ASNs visible in the Routing Table: 32313 Prefixes from 32-bit ASNs in the Routing Table: 151961 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: 534 Number of addresses announced to Internet: 3068187392 Equivalent to 182 /8s, 224 /16s and 211 /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: 301133 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235581 Total APNIC prefixes after maximum aggregation: 66023 APNIC Deaggregation factor: 3.57 Prefixes being announced from the APNIC address blocks: 230557 Unique aggregates announced from the APNIC address blocks: 94483 APNIC Region origin ASes present in the Internet Routing Table: 12472 APNIC Prefixes per ASN: 18.49 APNIC Region origin ASes announcing only one prefix: 3538 APNIC Region transit ASes present in the Internet Routing Table: 1729 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: 7692 Number of APNIC addresses announced to Internet: 773847040 Equivalent to 46 /8s, 31 /16s and 248 /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: 260803 Total ARIN prefixes after maximum aggregation: 119595 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260776 Unique aggregates announced from the ARIN address blocks: 123802 ARIN Region origin ASes present in the Internet Routing Table: 18991 ARIN Prefixes per ASN: 13.73 ARIN Region origin ASes announcing only one prefix: 6898 ARIN Region transit ASes present in the Internet Routing Table: 1943 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4398 Number of ARIN addresses announced to Internet: 1295916288 Equivalent to 77 /8s, 62 /16s and 29 /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: 254515 Total RIPE prefixes after maximum aggregation: 115749 RIPE Deaggregation factor: 2.20 Prefixes being announced from the RIPE address blocks: 251720 Unique aggregates announced from the RIPE address blocks: 150170 RIPE Region origin ASes present in the Internet Routing Table: 28115 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: 3951 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: 10657 Number of RIPE addresses announced to Internet: 714266624 Equivalent to 42 /8s, 146 /16s and 216 /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: 114299 Total LACNIC prefixes after maximum aggregation: 27609 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 114274 Unique aggregates announced from the LACNIC address blocks: 48102 LACNIC Region origin ASes present in the Internet Routing Table: 10933 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2631 LACNIC Region transit ASes present in the Internet Routing Table: 2202 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: 8625 Number of LACNIC addresses announced to Internet: 176240896 Equivalent to 10 /8s, 129 /16s and 57 /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: 27779 Total AfriNIC prefixes after maximum aggregation: 5424 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36043 Unique aggregates announced from the AfriNIC address blocks: 11899 AfriNIC Region origin ASes present in the Internet Routing Table: 1609 AfriNIC Prefixes per ASN: 22.40 AfriNIC Region origin ASes announcing only one prefix: 560 AfriNIC Region transit ASes present in the Internet Routing Table: 319 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: 941 Number of AfriNIC addresses announced to Internet: 107603456 Equivalent to 6 /8s, 105 /16s and 230 /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 9101 8881 37 CHINAMOBILE-CN China Mobile Communicati 7545 5888 788 691 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4663 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 3435 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2386 475 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2263 11119 597 KIXS-AS-KR Korea Telecom, KR 45090 2146 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2111 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 6337 10249 2666 AMAZON-02, US 11492 4452 295 732 CABLEONE, US 22773 3950 3082 372 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3895 263 26 VIASAT-SP-BACKBONE, US 16625 3657 1883 2572 AKAMAI-AS, US 6327 3411 1318 61 SHAW, CA 749 2883 50780 2139 DNIC-AS-00749, US 30036 2612 374 163 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2518 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 6900 1692 17 TTNET, TR 12479 6817 1730 149 UNI2-AS, ES 8551 4014 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3937 3192 544 AKAMAI-ASN1, NL 39891 3818 220 33 ALJAWWALSTC-AS, SA 12389 2932 2274 908 ROSTELECOM-AS, RU 6849 2803 355 21 UKRTELNET, UA 9009 2465 247 1289 M247, GB 34984 2197 355 621 TELLCOM-AS, TR 58224 1798 931 595 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 10482 3427 551 Uninet S.A. de C.V., MX 10620 3351 506 915 Telmex Colombia S.A., CO 11830 2431 369 62 Instituto Costarricense de Electricidad 13999 1710 292 474 Mega Cable, S.A. de C.V., MX 6503 1442 355 525 Axtel, S.A.B. de C.V., MX 28573 1387 2333 249 CLARO S.A., BR 3816 1254 666 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1091 370 21 Telefonica del Peru S.A.A., PE 26615 1068 2349 136 TIM SA, BR 11664 1008 192 446 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 1594 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 516 51 34 WANANCHI-, KE 37342 469 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 10482 3427 551 Uninet S.A. de C.V., MX 9808 9101 8881 37 CHINAMOBILE-CN China Mobile Communicati 9121 6900 1692 17 TTNET, TR 12479 6817 1730 149 UNI2-AS, ES 16509 6337 10249 2666 AMAZON-02, US 7545 5888 788 691 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4663 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4452 295 732 CABLEONE, US 8551 4014 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3950 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 9101 9064 CHINAMOBILE-CN China Mobile Communications Grou 9121 6900 6883 TTNET, TR 12479 6817 6668 UNI2-AS, ES 7545 5888 5197 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4663 4590 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 11492 4452 3720 CABLEONE, US 16509 6337 3671 AMAZON-02, 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 /13:588 /14:1201 /15:2076 /16:13588 /17:8347 /18:13927 /19:25240 /20:43757 /21:52297 /22:108289 /23:95556 /24:528564 /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 6010 6900 TTNET, TR 12479 5795 6817 UNI2-AS, ES 8151 4137 10482 Uninet S.A. de C.V., MX 8551 3479 4014 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3365 4452 CABLEONE, US 6327 3224 3411 SHAW, CA 39891 3130 3818 ALJAWWALSTC-AS, SA 7155 2988 3895 VIASAT-SP-BACKBONE, US 22773 2936 3950 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2658 2803 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1906 2:1062 3:154 4:7 5:3788 6:112 7:5 8:1535 9:1 11:172 12:1714 13:304 14:2379 15:178 16:43 17:375 18:147 20:194 21:4 22:188 23:5540 24:2339 25:6 27:2679 29:19 31:2432 32:93 34:1 35:65 36:1746 37:4387 38:2632 39:695 40:150 41:3934 42:1093 43:2116 44:290 45:16096 46:4115 47:349 49:1649 50:1938 51:107 52:1372 53:1 54:358 55:756 56:8 57:59 58:1851 59:1179 60:967 61:2271 62:2471 63:1941 64:5528 65:2304 66:4860 67:2989 68:1177 69:4151 70:1349 71:666 72:3075 74:2663 75:1455 76:717 77:2114 78:3452 79:3102 80:1961 81:1665 82:1477 83:1216 84:1349 85:3508 86:719 87:1976 88:2337 89:3251 90:517 91:7619 92:2008 93:2584 94:3494 95:4508 96:1304 97:347 98:989 99:866 100:76 101:1046 102:2001 103:28720 104:4270 105:469 106:852 107:2501 108:794 109:4222 110:2067 111:3236 112:2004 113:1487 114:1492 115:2147 116:1889 117:2521 118:2337 119:1906 120:1640 121:1097 122:2538 123:2150 124:1562 125:2127 128:1195 129:1196 130:922 131:2077 132:794 133:373 134:1935 135:289 136:882 137:1019 138:2452 139:1284 140:1134 141:1373 142:1285 143:1480 144:1239 145:345 146:1774 147:1483 148:2238 149:1731 150:860 151:1076 152:1843 153:535 154:3649 155:1442 156:1876 157:1235 158:1030 159:2081 160:2426 161:1320 162:3455 163:1229 164:1662 165:1614 166:682 167:1750 168:3734 169:700 170:4442 171:819 172:3062 173:3075 174:1023 175:1146 176:3505 177:4536 178:3446 179:1983 180:2331 181:2915 182:3213 183:1954 184:2389 185:19454 186:4318 187:3651 188:3863 189:3072 190:8940 191:1308 192:11077 193:8554 194:6987 195:4970 196:2958 197:2367 198:6016 199:6030 200:7501 201:5671 202:10572 203:10214 204:4555 205:3370 206:3762 207:3401 208:4043 209:4657 210:4303 211:2447 212:3992 213:3408 214:1160 215:67 216:6439 217:2648 218:1245 219:574 220:2030 221:986 222:853 223:2142 End of report