IPv4 R&E Routing Table Report 21:10 GMT Fri 01 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: 894106 Prefixes after maximum aggregation (per Origin AS): 335209 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 428983 Number of IPv4 prefixes with a valid ROA: 318146 Number of IPv4 prefixes with an invalid ROA: 3238 Number of IPv4 prefixes with no ROA: 572722 Total ASes present in the Internet Routing Table: 72910 Prefixes per ASN: 12.26 Origin-only ASes present in the Internet Routing Table: 62616 Origin ASes announcing only one prefix: 25711 Transit ASes present in the Internet Routing Table: 10294 Transit-only ASes present in the Internet Routing Table: 368 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 64 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 865 Number of instances of unregistered ASNs: 873 Number of 32-bit ASNs allocated by the RIRs: 38968 Number of 32-bit ASNs visible in the Routing Table: 32388 Prefixes from 32-bit ASNs in the Routing Table: 152395 Number of bogon 32-bit ASNs visible in the Routing Table: 49 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 464 Number of addresses announced to Internet: 3067291392 Equivalent to 182 /8s, 211 /16s and 39 /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: 301294 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235522 Total APNIC prefixes after maximum aggregation: 66162 APNIC Deaggregation factor: 3.56 Prefixes being announced from the APNIC address blocks: 230572 Unique aggregates announced from the APNIC address blocks: 94236 APNIC Region origin ASes present in the Internet Routing Table: 12497 APNIC Prefixes per ASN: 18.45 APNIC Region origin ASes announcing only one prefix: 3544 APNIC Region transit ASes present in the Internet Routing Table: 1714 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: 7713 Number of APNIC addresses announced to Internet: 773520640 Equivalent to 46 /8s, 26 /16s and 253 /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: 260574 Total ARIN prefixes after maximum aggregation: 119676 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260375 Unique aggregates announced from the ARIN address blocks: 123809 ARIN Region origin ASes present in the Internet Routing Table: 19002 ARIN Prefixes per ASN: 13.70 ARIN Region origin ASes announcing only one prefix: 6902 ARIN Region transit ASes present in the Internet Routing Table: 1931 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4423 Number of ARIN addresses announced to Internet: 1295361792 Equivalent to 77 /8s, 53 /16s and 167 /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: 254961 Total RIPE prefixes after maximum aggregation: 115877 RIPE Deaggregation factor: 2.20 Prefixes being announced from the RIPE address blocks: 252300 Unique aggregates announced from the RIPE address blocks: 150636 RIPE Region origin ASes present in the Internet Routing Table: 28104 RIPE Prefixes per ASN: 8.98 RIPE Region origin ASes announcing only one prefix: 12044 RIPE Region transit ASes present in the Internet Routing Table: 3942 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10663 Number of RIPE addresses announced to Internet: 714057472 Equivalent to 42 /8s, 143 /16s and 167 /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: 114234 Total LACNIC prefixes after maximum aggregation: 27407 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 114204 Unique aggregates announced from the LACNIC address blocks: 48234 LACNIC Region origin ASes present in the Internet Routing Table: 10946 LACNIC Prefixes per ASN: 10.43 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2201 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 64 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8643 Number of LACNIC addresses announced to Internet: 176368128 Equivalent to 10 /8s, 131 /16s and 42 /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: 27950 Total AfriNIC prefixes after maximum aggregation: 5436 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36190 Unique aggregates announced from the AfriNIC address blocks: 11673 AfriNIC Region origin ASes present in the Internet Routing Table: 1615 AfriNIC Prefixes per ASN: 22.41 AfriNIC Region origin ASes announcing only one prefix: 562 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 946 Number of AfriNIC addresses announced to Internet: 107716352 Equivalent to 6 /8s, 107 /16s and 159 /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 9133 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5901 788 693 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4676 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3607 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 2391 491 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2147 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 6124 10256 2668 AMAZON-02, US 11492 4456 296 714 CABLEONE, US 22773 3946 3082 372 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3900 264 31 VIASAT-SP-BACKBONE, US 16625 3640 1871 2564 AKAMAI-AS, US 6327 3418 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2610 373 155 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2522 4962 425 CENTURYLINK-US-LEGACY-QWEST, US 20115 2258 3042 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 6911 1692 17 TTNET, TR 12479 6804 1730 149 UNI2-AS, ES 8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3933 3192 551 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2931 2274 908 ROSTELECOM-AS, RU 6849 2858 355 21 UKRTELNET, UA 9009 2475 248 1295 M247, GB 34984 2214 356 620 TELLCOM-AS, TR 58224 1801 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 10431 3402 555 Uninet S.A. de C.V., MX 10620 3477 519 715 Telmex Colombia S.A., CO 11830 2430 369 62 Instituto Costarricense de Electricidad 13999 1730 293 471 Mega Cable, S.A. de C.V., MX 6503 1448 355 525 Axtel, S.A.B. de C.V., MX 28573 1383 2332 253 CLARO S.A., BR 3816 1256 667 148 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 956 133 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 1584 393 21 LINKdotNET-AS, EG 24835 1548 523 33 RAYA-AS, EG 36992 1303 1518 261 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 894 64 59 ORANGE-COTE-IVOIRE, CI 36935 771 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 517 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 10431 3402 555 Uninet S.A. de C.V., MX 9808 9133 8879 35 CHINAMOBILE-CN China Mobile Communicati 9121 6911 1692 17 TTNET, TR 12479 6804 1730 149 UNI2-AS, ES 16509 6124 10256 2668 AMAZON-02, US 7545 5901 788 693 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4676 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4456 296 714 CABLEONE, US 8551 4001 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 9133 9098 CHINAMOBILE-CN China Mobile Communications Grou 9121 6911 6894 TTNET, TR 12479 6804 6655 UNI2-AS, ES 7545 5901 5208 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4676 4601 ERX-CERNET-BKB China Education and Research Net 8551 4001 3962 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3900 3869 VIASAT-SP-BACKBONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 11492 4456 3742 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 44912 UNALLOCATED 2.58.57.0/24 24875 NOVOSERVE-AS, NL 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 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 /12:307 /13:588 /14:1200 /15:2089 /16:13565 /17:8325 /18:13911 /19:25204 /20:43719 /21:52121 /22:108408 /23:95660 /24:528839 /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 6029 6911 TTNET, TR 12479 5783 6804 UNI2-AS, ES 8151 4127 10431 Uninet S.A. de C.V., MX 8551 3475 4001 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3364 4456 CABLEONE, US 6327 3231 3418 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2990 3900 VIASAT-SP-BACKBONE, US 22773 2936 3946 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2711 2858 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1912 2:1039 3:154 4:7 5:3788 6:112 7:5 8:1539 9:1 11:172 12:1709 13:288 14:2377 15:189 16:44 17:380 18:147 20:194 21:4 22:188 23:5583 24:2291 25:6 27:2669 29:19 31:2445 32:93 34:1 35:69 36:1752 37:4415 38:2671 39:708 40:151 41:3928 42:1092 43:2184 44:288 45:16100 46:4117 47:348 49:1664 50:1930 51:107 52:1409 53:1 54:362 55:710 56:8 57:59 58:1851 59:1177 60:962 61:2258 62:2491 63:1943 64:5527 65:2300 66:4863 67:2997 68:1182 69:4154 70:1343 71:664 72:3065 74:2666 75:1388 76:582 77:2150 78:3460 79:3104 80:1981 81:1704 82:1477 83:1197 84:1332 85:3509 86:712 87:1972 88:2365 89:3284 90:522 91:7619 92:1986 93:2603 94:3488 95:4501 96:1306 97:347 98:992 99:738 100:75 101:1045 102:2029 103:28847 104:4300 105:466 106:841 107:2511 108:825 109:4233 110:2064 111:3246 112:2008 113:1484 114:1486 115:2140 116:1885 117:2525 118:2333 119:1905 120:1646 121:1091 122:2533 123:2155 124:1538 125:2131 128:1214 129:1210 130:918 131:2076 132:799 133:373 134:1930 135:289 136:881 137:1018 138:2456 139:1505 140:856 141:1389 142:1288 143:1481 144:1236 145:342 146:1777 147:1474 148:2238 149:1707 150:859 151:1078 152:1832 153:536 154:3506 155:1435 156:1890 157:1232 158:1027 159:2089 160:2446 161:1326 162:3466 163:1245 164:1650 165:1613 166:697 167:1750 168:3757 169:705 170:4428 171:820 172:3114 173:3071 174:1020 175:1142 176:3508 177:4551 178:3449 179:2002 180:2341 181:2955 182:3206 183:1954 184:2385 185:19498 186:4390 187:3641 188:3870 189:3107 190:8940 191:1297 192:11025 193:8589 194:6963 195:4968 196:2988 197:2409 198:6025 199:6019 200:7487 201:5651 202:10565 203:10209 204:4553 205:3382 206:3773 207:3397 208:4044 209:4671 210:4302 211:2451 212:4001 213:3421 214:1153 215:67 216:6460 217:2663 218:1259 219:551 220:2030 221:984 222:850 223:2111 End of report