IPv4 R&E Routing Table Report 21:10 GMT Thu 11 Aug, 2022 IPv4 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: 900162 Prefixes after maximum aggregation (per Origin AS): 339908 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 438267 Number of IPv4 prefixes with a valid ROA: 345344 Number of IPv4 prefixes with an invalid ROA: 3120 Number of IPv4 prefixes with no ROA: 551698 Total ASes present in the Internet Routing Table: 73529 Prefixes per ASN: 12.24 Origin-only ASes present in the Internet Routing Table: 63167 Origin ASes announcing only one prefix: 25979 Transit ASes present in the Internet Routing Table: 10362 Transit-only ASes present in the Internet Routing Table: 391 Paths with bogon ASNs present in the IPv4 Routing Table: 68 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 36 Max AS path prepend of ASN ( 30036) 34 Prefixes from unregistered ASNs in the Routing Table: 1006 Number of instances of unregistered ASNs: 1067 Number of 32-bit ASNs allocated by the RIRs: 39950 Number of 32-bit ASNs visible in the Routing Table: 33170 Prefixes from 32-bit ASNs in the Routing Table: 158511 Number of bogon 32-bit ASNs visible in the Routing Table: 170 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 517 Number of addresses announced to Internet: 3070994432 Equivalent to 183 /8s, 11 /16s and 168 /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: 99.6 Total number of prefixes smaller than registry allocations: 300341 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237705 Total APNIC prefixes after maximum aggregation: 66978 APNIC Deaggregation factor: 3.55 Prefixes being announced from the APNIC address blocks: 232749 Unique aggregates announced from the APNIC address blocks: 96279 APNIC Region origin ASes present in the Internet Routing Table: 12854 APNIC Prefixes per ASN: 18.11 APNIC Region origin ASes announcing only one prefix: 3711 APNIC Region transit ASes present in the Internet Routing Table: 1765 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8099 Number of APNIC addresses announced to Internet: 772832512 Equivalent to 46 /8s, 16 /16s and 125 /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: 264618 Total ARIN prefixes after maximum aggregation: 120884 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264792 Unique aggregates announced from the ARIN address blocks: 127539 ARIN Region origin ASes present in the Internet Routing Table: 19051 ARIN Prefixes per ASN: 13.90 ARIN Region origin ASes announcing only one prefix: 6933 ARIN Region transit ASes present in the Internet Routing Table: 1917 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4583 Number of ARIN addresses announced to Internet: 1295833344 Equivalent to 77 /8s, 60 /16s and 217 /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: 252513 Total RIPE prefixes after maximum aggregation: 117895 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249930 Unique aggregates announced from the RIPE address blocks: 153273 RIPE Region origin ASes present in the Internet Routing Table: 28197 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12079 RIPE Region transit ASes present in the Internet Routing Table: 3944 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10792 Number of RIPE addresses announced to Internet: 717781504 Equivalent to 42 /8s, 200 /16s and 122 /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: 116207 Total LACNIC prefixes after maximum aggregation: 27792 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115895 Unique aggregates announced from the LACNIC address blocks: 48856 LACNIC Region origin ASes present in the Internet Routing Table: 10969 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2231 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 27 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8696 Number of LACNIC addresses announced to Internet: 176381696 Equivalent to 10 /8s, 131 /16s and 95 /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: 28113 Total AfriNIC prefixes after maximum aggregation: 5593 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 36278 Unique aggregates announced from the AfriNIC address blocks: 11881 AfriNIC Region origin ASes present in the Internet Routing Table: 1670 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 581 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1000 Number of AfriNIC addresses announced to Internet: 107848192 Equivalent to 6 /8s, 109 /16s and 162 /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 9077 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5907 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4908 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3603 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2426 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2260 11124 598 KIXS-AS-KR Korea Telecom, KR 45090 2176 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 24560 2158 851 404 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6858 10405 2730 AMAZON-02, US 11492 4549 301 570 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3897 3075 367 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3478 1791 2508 AKAMAI-AS, US 6327 3444 1319 62 SHAW, CA 749 3028 46634 2290 DNIC-AS-00749, US 30036 2605 371 288 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2523 3384 360 GOOGLE-CLOUD-PLATFORM, US 209 2368 4936 405 CENTURYLINK-US-LEGACY-QWEST, 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 12479 6854 1730 144 UNI2-AS, ES 20940 4063 3361 205 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2914 2290 910 ROSTELECOM-AS, RU 6849 2755 355 21 UKRTELNET, UA 9009 2610 254 1335 M247, GB 34984 2247 358 630 TELLCOM-AS, TR 58224 1774 933 539 TCI, IR 13188 1610 100 27 TRIOLAN, UA 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 10817 3399 557 Uninet S.A. de C.V., MX 10620 3486 515 778 Telmex Colombia S.A., CO 11830 2386 369 64 Instituto Costarricense de Electricidad 13999 1952 319 520 Mega Cable, S.A. de C.V., MX 28573 1362 2329 265 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1272 697 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1104 369 21 Telefonica del Peru S.A.A., PE 11664 1046 176 460 Techtel LMDS Comunicaciones Interactiva 26615 976 2466 43 TIM SA, BR 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 24835 1546 521 31 RAYA-AS, EG 24863 1542 393 21 LINKdotNET-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 975 66 52 ORANGE-COTE-IVOIRE, CI 36935 801 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 519 52 39 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 401 232 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 10817 3399 557 Uninet S.A. de C.V., MX 9808 9077 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6858 10405 2730 AMAZON-02, US 12479 6854 1730 144 UNI2-AS, ES 7545 5907 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4908 4192 74 ERX-CERNET-BKB China Education and Rese 11492 4549 301 570 CABLEONE, US 20940 4063 3361 205 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9077 9030 CHINAMOBILE-CN China Mobile Communications Grou 12479 6854 6710 UNI2-AS, ES 7545 5907 5213 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4908 4834 ERX-CERNET-BKB China Education and Research Net 16509 6858 4128 AMAZON-02, US 11492 4549 3979 CABLEONE, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3995 3956 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4063 3858 AKAMAI-ASN1, NL 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, 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, Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.184.0/24 Origin: 27408 1371467, CA 23.139.184.0/24 Transit: 24875 NOVOSERVE-AS, NL 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 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 /11:101 /12:307 /13:596 /14:1204 /15:2099 /16:13549 /17:8336 /18:13946 /19:25111 /20:44493 /21:51687 /22:108721 /23:96650 /24:533292 /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 12479 5841 6854 UNI2-AS, ES 8151 4542 10817 Uninet S.A. de C.V., MX 11492 3464 4549 CABLEONE, US 8551 3458 3995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3257 3444 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2894 3897 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2613 2755 UKRTELNET, UA 30036 2263 2605 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1950 2:1029 3:157 4:5 5:3837 6:111 7:6 8:1546 9:1 11:173 12:1646 13:339 14:2359 15:241 16:44 17:383 18:188 20:242 21:4 22:188 23:5866 24:2417 25:6 27:2683 29:19 31:2418 32:92 34:7 35:87 36:1820 37:4455 38:3390 39:721 40:152 41:3887 42:1138 43:2213 44:289 45:16097 46:4128 47:332 49:1688 50:1944 51:237 52:1459 54:385 55:808 56:8 57:62 58:1835 59:1193 60:972 61:2283 62:2545 63:1926 64:5600 65:2369 66:4876 67:3004 68:1209 69:4147 70:1325 71:688 72:3046 74:2644 75:1398 76:591 77:2248 78:1920 79:3125 80:2016 81:1656 82:1500 83:1210 84:1383 85:2974 86:741 87:1908 88:1209 89:3405 90:546 91:7648 92:2046 93:2546 94:3505 95:3882 96:1296 97:350 98:1028 99:737 100:77 101:1063 102:2241 103:29753 104:4548 105:467 106:873 107:2546 108:868 109:4322 110:2011 111:3280 112:2042 113:1502 114:1494 115:2096 116:1886 117:2454 118:2307 119:1881 120:1752 121:1106 122:2517 123:2117 124:1523 125:2126 128:1258 129:1049 130:979 131:2075 132:817 133:378 134:1948 135:298 136:852 137:1015 138:2518 139:1521 140:942 141:1446 142:1331 143:1409 144:1198 145:340 146:1856 147:1510 148:2243 149:1766 150:868 151:1069 152:1870 153:543 154:3699 155:1459 156:1753 157:1284 158:1035 159:2213 160:2504 161:1328 162:3496 163:1367 164:1650 165:1645 166:776 167:1788 168:3840 169:884 170:4524 171:838 172:3325 173:3125 174:1038 175:1142 176:3645 177:4755 178:3545 179:2184 180:2390 181:3247 182:3194 183:1937 184:2379 185:19636 186:4451 187:3833 188:3982 189:3406 190:9037 191:1450 192:10973 193:8688 194:7099 195:5078 196:2958 197:2411 198:6010 199:6044 200:7609 201:5795 202:10576 203:10232 204:4509 205:3444 206:3776 207:3440 208:4050 209:4711 210:4513 211:2415 212:4051 213:3476 214:1139 215:65 216:6409 217:2642 218:1311 219:574 220:2014 221:955 222:839 223:1964 End of report