IPv4 R&E Routing Table Report 21:10 GMT Fri 22 Mar, 2024 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: 939064 Prefixes after maximum aggregation (per Origin AS): 358285 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 458205 Number of IPv4 prefixes with a valid ROA: 456376 Number of IPv4 prefixes with an invalid ROA: 1776 Number of IPv4 prefixes with no ROA: 480912 Total ASes present in the Internet Routing Table: 75473 Prefixes per ASN: 12.44 Origin-only ASes present in the Internet Routing Table: 64802 Origin ASes announcing only one prefix: 26555 Transit ASes present in the Internet Routing Table: 10671 Transit-only ASes present in the Internet Routing Table: 495 Paths with bogon ASNs present in the IPv4 Routing Table: 37 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1076 Number of instances of unregistered ASNs: 1081 Number of 32-bit ASNs allocated by the RIRs: 43889 Number of 32-bit ASNs visible in the Routing Table: 36037 Prefixes from 32-bit ASNs in the Routing Table: 182777 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 588 Number of addresses announced to Internet: 3028066304 Equivalent to 180 /8s, 124 /16s and 160 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 309425 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248261 Total APNIC prefixes after maximum aggregation: 72378 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 240991 Unique aggregates announced from the APNIC address blocks: 99917 APNIC Region origin ASes present in the Internet Routing Table: 14007 APNIC Prefixes per ASN: 17.21 APNIC Region origin ASes announcing only one prefix: 4237 APNIC Region transit ASes present in the Internet Routing Table: 1873 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9420 Number of APNIC addresses announced to Internet: 760284672 Equivalent to 45 /8s, 81 /16s and 6 /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, 131072-153913 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: 274434 Total ARIN prefixes after maximum aggregation: 123936 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 279033 Unique aggregates announced from the ARIN address blocks: 132485 ARIN Region origin ASes present in the Internet Routing Table: 19122 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6962 ARIN Region transit ASes present in the Internet Routing Table: 1962 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4868 Number of ARIN addresses announced to Internet: 1269704192 Equivalent to 75 /8s, 174 /16s and 38 /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: 263669 Total RIPE prefixes after maximum aggregation: 126242 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 258852 Unique aggregates announced from the RIPE address blocks: 162755 RIPE Region origin ASes present in the Internet Routing Table: 28554 RIPE Prefixes per ASN: 9.07 RIPE Region origin ASes announcing only one prefix: 12081 RIPE Region transit ASes present in the Internet Routing Table: 3941 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11655 Number of RIPE addresses announced to Internet: 714841088 Equivalent to 42 /8s, 155 /16s and 156 /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 196608-216475 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: 121029 Total LACNIC prefixes after maximum aggregation: 28875 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 119398 Unique aggregates announced from the LACNIC address blocks: 49614 LACNIC Region origin ASes present in the Internet Routing Table: 11058 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2622 LACNIC Region transit ASes present in the Internet Routing Table: 2370 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8911 Number of LACNIC addresses announced to Internet: 177274880 Equivalent to 10 /8s, 145 /16s and 0 /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: 30595 Total AfriNIC prefixes after maximum aggregation: 6136 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 40201 Unique aggregates announced from the AfriNIC address blocks: 12962 AfriNIC Region origin ASes present in the Internet Routing Table: 1817 AfriNIC Prefixes per ASN: 22.12 AfriNIC Region origin ASes announcing only one prefix: 653 AfriNIC Region transit ASes present in the Internet Routing Table: 357 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1183 Number of AfriNIC addresses announced to Internet: 105650176 Equivalent to 6 /8s, 76 /16s and 24 /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 9849 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5653 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4589 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3859 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3607 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3523 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3271 1867 92 VNPT-AS-VN VNPT Corp, VN 24560 2764 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2176 433 189 TATACOMM-AS TATA Communications formerl 45090 2145 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9718 11353 3422 AMAZON-02, US 11492 4593 305 622 CABLEONE, US 7155 4181 288 96 VIASAT-SP-BACKBONE, US 22773 3624 3079 300 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3602 1320 75 SHAW, CA 174 3509 6651 696 COGENT-174, US 749 3191 54916 2443 DNIC-AS-00749, US 16625 3134 1342 2236 AKAMAI-AS, US 367 2922 3631 1387 DNIC-ASBLK-00306-00371, US 396982 2762 3641 411 GOOGLE-CLOUD-PLATFORM, 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 7701 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3845 3395 126 AKAMAI-ASN1, NL 9009 3264 283 1595 M247, RO 12389 2983 2304 904 ROSTELECOM-AS, RU 8551 2650 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1524 1852 14 TE-AS TE-AS, EG 44477 1497 98 709 STARK-INDUSTRIES, GB 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 12362 3320 489 UNINET, MX 10620 3526 497 892 Telmex Colombia S.A., CO 13999 2511 342 658 Mega Cable, S.A. de C.V., MX 11830 2000 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1144 179 431 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1065 113 375 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1522 505 26 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1368 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1203 76 60 ORANGE-COTE-IVOIRE, CI 36935 836 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 528 56 54 WANANCHI-, KE 36914 489 82 3 KENET-AS, KE 24757 428 73 5 EthioNet-AS, ET 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 12362 3320 489 UNINET, MX 9808 9849 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9718 11353 3422 AMAZON-02, US 12479 7701 1714 147 UNI2-AS, ES 7545 5653 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4593 305 622 CABLEONE, US 18403 4589 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4181 288 96 VIASAT-SP-BACKBONE, US 7552 3859 1330 20 VIETEL-AS-AP Viettel Group, VN 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 9849 9788 CHINAMOBILE-CN China Mobile Communications Grou 12479 7701 7554 UNI2-AS, ES 16509 9718 6296 AMAZON-02, US 7545 5653 4980 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4589 4564 FPT-AS-AP FPT Telecom Company, VN 7155 4181 4085 VIASAT-SP-BACKBONE, US 11492 4593 3971 CABLEONE, US 7552 3859 3839 VIETEL-AS-AP Viettel Group, VN 20940 3845 3719 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.160.201.0/24 Origin: 21738 ROZINT, US 23.160.201.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.174.120.0/24 Origin: 29774 VSIX-, FR 23.174.120.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 /9:14 /10:36 /11:95 /12:298 /13:580 /14:1191 /15:2094 /16:13285 /17:8194 /18:13644 /19:24627 /20:43381 /21:51186 /22:110493 /23:98630 /24:571299 /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 6815 7701 UNI2-AS, ES 8151 6382 12362 UNINET, MX 11492 3506 4593 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3400 3602 SHAW, CA 7155 3125 4181 VIASAT-SP-BACKBONE, US 22773 2661 3624 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2132 3526 Telmex Colombia S.A., CO 8551 2126 2650 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2263 2:1474 3:316 4:6 5:4516 6:162 7:6 8:1499 9:2 11:172 12:1467 13:373 14:2361 15:318 16:210 17:370 18:750 20:355 21:4 22:188 23:6614 24:2708 25:2 27:2643 29:19 31:2625 32:46 34:59 35:126 36:2230 37:4512 38:7092 39:894 40:125 41:4062 42:2213 43:2325 44:311 45:16840 46:4406 47:297 49:1906 50:1903 51:573 52:1578 54:308 55:971 56:5 57:161 58:2003 59:1128 60:1025 61:2569 62:2706 63:1913 64:5528 65:2202 66:4726 67:3064 68:1333 69:4077 70:1200 71:583 72:2893 74:2585 75:1550 76:628 77:2422 78:1845 79:2474 80:2164 81:1935 82:1527 83:1288 84:1650 85:3095 86:826 87:2022 88:1241 89:4044 90:686 91:8031 92:2198 93:2647 94:3657 95:4169 96:1303 97:312 98:1045 99:743 100:92 101:1166 102:3054 103:32467 104:4802 105:630 106:930 107:2755 108:1131 109:4071 110:2135 111:3202 112:2062 113:1759 114:1771 115:2056 116:1870 117:2619 118:2832 119:1950 120:1787 121:1278 122:2683 123:2213 124:1562 125:2845 126:32 128:1492 129:944 130:1100 131:1826 132:805 133:410 134:1720 135:314 136:942 137:1182 138:2810 139:1558 140:1380 141:1362 142:1577 143:1488 144:1012 145:347 146:2025 147:1719 148:2493 149:2572 150:1039 151:1340 152:1977 153:589 154:5893 155:1376 156:2229 157:1644 158:1078 159:2263 160:2603 161:1638 162:3596 163:1728 164:1630 165:2128 166:1061 167:1767 168:3929 169:792 170:4706 171:1003 172:3824 173:3045 174:905 175:1209 176:3678 177:4516 178:3607 179:2234 180:2377 181:3670 182:3364 183:2034 184:2265 185:20674 186:4902 187:4448 188:4051 189:4071 190:9342 191:1470 192:11011 193:9057 194:7450 195:5247 196:3171 197:2390 198:6009 199:7512 200:7999 201:6333 202:10317 203:10282 204:4571 205:3763 206:4503 207:3481 208:4142 209:5045 210:4488 211:2485 212:4294 213:3389 214:1090 215:50 216:6773 217:2826 218:1314 219:406 220:2050 221:1031 222:692 223:2198 End of report