IPv4 R&E Routing Table Report 21:10 GMT Wed 28 Sep, 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: 901335 Prefixes after maximum aggregation (per Origin AS): 341885 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 439905 Number of IPv4 prefixes with a valid ROA: 353190 Number of IPv4 prefixes with an invalid ROA: 3203 Number of IPv4 prefixes with no ROA: 544942 Total ASes present in the Internet Routing Table: 73696 Prefixes per ASN: 12.23 Origin-only ASes present in the Internet Routing Table: 63343 Origin ASes announcing only one prefix: 26014 Transit ASes present in the Internet Routing Table: 10353 Transit-only ASes present in the Internet Routing Table: 404 Paths with bogon ASNs present in the IPv4 Routing Table: 66 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1114 Number of instances of unregistered ASNs: 1118 Number of 32-bit ASNs allocated by the RIRs: 40264 Number of 32-bit ASNs visible in the Routing Table: 33419 Prefixes from 32-bit ASNs in the Routing Table: 161000 Number of bogon 32-bit ASNs visible in the Routing Table: 42 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 541 Number of addresses announced to Internet: 3065854720 Equivalent to 182 /8s, 189 /16s and 59 /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: 99.6 Total number of prefixes smaller than registry allocations: 301115 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236562 Total APNIC prefixes after maximum aggregation: 67404 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 231516 Unique aggregates announced from the APNIC address blocks: 96342 APNIC Region origin ASes present in the Internet Routing Table: 12964 APNIC Prefixes per ASN: 17.86 APNIC Region origin ASes announcing only one prefix: 3735 APNIC Region transit ASes present in the Internet Routing Table: 1764 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8208 Number of APNIC addresses announced to Internet: 773416960 Equivalent to 46 /8s, 25 /16s and 104 /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: 265544 Total ARIN prefixes after maximum aggregation: 121542 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 266340 Unique aggregates announced from the ARIN address blocks: 128369 ARIN Region origin ASes present in the Internet Routing Table: 19043 ARIN Prefixes per ASN: 13.99 ARIN Region origin ASes announcing only one prefix: 6942 ARIN Region transit ASes present in the Internet Routing Table: 1918 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4615 Number of ARIN addresses announced to Internet: 1291489536 Equivalent to 76 /8s, 250 /16s and 145 /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: 253125 Total RIPE prefixes after maximum aggregation: 118581 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250288 Unique aggregates announced from the RIPE address blocks: 153820 RIPE Region origin ASes present in the Internet Routing Table: 28207 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3926 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10839 Number of RIPE addresses announced to Internet: 716647936 Equivalent to 42 /8s, 183 /16s and 46 /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: 116636 Total LACNIC prefixes after maximum aggregation: 27952 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116260 Unique aggregates announced from the LACNIC address blocks: 48974 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2697 LACNIC Region transit ASes present in the Internet Routing Table: 2229 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8738 Number of LACNIC addresses announced to Internet: 176169728 Equivalent to 10 /8s, 128 /16s and 35 /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: 28354 Total AfriNIC prefixes after maximum aggregation: 5582 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36389 Unique aggregates announced from the AfriNIC address blocks: 11964 AfriNIC Region origin ASes present in the Internet Routing Table: 1689 AfriNIC Prefixes per ASN: 21.54 AfriNIC Region origin ASes announcing only one prefix: 597 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: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1019 Number of AfriNIC addresses announced to Internet: 107840256 Equivalent to 6 /8s, 109 /16s and 131 /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 9066 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5917 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3372 1870 59 VNPT-AS-VN VNPT Corp, VN 4538 2822 4192 74 ERX-CERNET-BKB China Education and Rese 9498 2450 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2232 851 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2230 11251 598 KIXS-AS-KR Korea Telecom, KR 45090 2178 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 7269 10548 2831 AMAZON-02, US 11492 4549 301 621 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3840 3067 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3547 1849 2544 AKAMAI-AS, US 6327 3488 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2601 367 278 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2548 3388 378 GOOGLE-CLOUD-PLATFORM, US 209 2346 4934 392 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 6906 1730 144 UNI2-AS, ES 20940 4086 3375 202 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2917 2290 912 ROSTELECOM-AS, RU 9009 2609 252 1343 M247, RO 6849 2534 339 20 UKRTELNET, UA 34984 2258 358 634 TELLCOM-AS, TR 58224 1796 936 540 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 11007 3392 558 Uninet S.A. de C.V., MX 10620 3484 513 829 Telmex Colombia S.A., CO 11830 2301 369 64 Instituto Costarricense de Electricidad 13999 2016 331 522 Mega Cable, S.A. de C.V., MX 28573 1349 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1293 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1140 369 21 Telefonica del Peru S.A.A., PE 11664 1057 178 465 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 24863 1324 393 21 LINKdotNET-AS, EG 36903 1268 550 99 MT-MPLS, MA 29571 996 68 32 ORANGE-COTE-IVOIRE, CI 36935 814 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 522 53 42 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 23889 402 232 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 11007 3392 558 Uninet S.A. de C.V., MX 9808 9066 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7269 10548 2831 AMAZON-02, US 12479 6906 1730 144 UNI2-AS, ES 7545 5917 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4549 301 621 CABLEONE, US 20940 4086 3375 202 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 VIASAT-SP-BACKBONE, 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 9066 9019 CHINAMOBILE-CN China Mobile Communications Grou 12479 6906 6762 UNI2-AS, ES 7545 5917 5222 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7269 4438 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3987 3949 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4549 3928 CABLEONE, US 20940 4086 3884 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3588 3568 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 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 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, 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 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 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 23.141.0.0/24 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 /10:39 /11:101 /12:301 /13:589 /14:1193 /15:2091 /16:13492 /17:8334 /18:13920 /19:25053 /20:43979 /21:51487 /22:108529 /23:96396 /24:535801 /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 5911 6906 UNI2-AS, ES 8151 4749 11007 Uninet S.A. de C.V., MX 11492 3472 4549 CABLEONE, US 8551 3451 3987 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3297 3488 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2858 3840 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2391 2534 UKRTELNET, UA 30036 2259 2601 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1896 2:1032 3:164 4:5 5:3916 6:116 7:6 8:1569 9:1 11:173 12:1628 13:342 14:2362 15:266 16:68 17:361 18:324 20:238 21:4 22:188 23:5966 24:2456 25:6 27:2741 29:19 31:2433 32:91 34:7 35:89 36:1862 37:4488 38:3587 39:751 40:153 41:3910 42:1179 43:2252 44:293 45:16210 46:4163 47:352 48:1 49:1726 50:1924 51:242 52:1495 54:388 55:849 56:8 57:81 58:1816 59:1163 60:992 61:2355 62:2546 63:1918 64:5642 65:2310 66:4877 67:2978 68:1200 69:4168 70:1320 71:683 72:2987 74:2645 75:1486 76:596 77:2277 78:1871 79:3138 80:2048 81:1646 82:1507 83:1212 84:1417 85:2958 86:727 87:1912 88:1182 89:3399 90:542 91:7591 92:2045 93:2549 94:3532 95:3832 96:1328 97:344 98:1044 99:736 100:77 101:1066 102:2306 103:30192 104:4535 105:472 106:887 107:2535 108:896 109:4318 110:2010 111:3270 112:2044 113:1504 114:1524 115:2094 116:1861 117:2492 118:2329 119:1869 120:1704 121:1089 122:2548 123:2137 124:1503 125:2151 128:1248 129:1005 130:971 131:2043 132:822 133:378 134:1902 135:290 136:854 137:1027 138:2533 139:1522 140:1044 141:1459 142:1353 143:1403 144:1194 145:347 146:1865 147:1534 148:2252 149:1817 150:883 151:1109 152:1938 153:547 154:3812 155:1437 156:1702 157:1294 158:1044 159:2198 160:2537 161:1365 162:3502 163:1417 164:1681 165:1653 166:793 167:1730 168:3833 169:874 170:4552 171:849 172:3408 173:3102 174:1019 175:1161 176:3612 177:4729 178:3563 179:2192 180:2382 181:3264 182:3197 183:1932 184:2362 185:19776 186:4541 187:3911 188:4012 189:3494 190:9065 191:1441 192:10995 193:8723 194:7146 195:5061 196:2980 197:2448 198:5976 199:6036 200:7673 201:5794 202:10514 203:10231 204:4516 205:3457 206:3883 207:3425 208:4052 209:4744 210:4347 211:2378 212:4054 213:3556 214:1117 215:54 216:6419 217:2636 218:1309 219:481 220:2036 221:925 222:774 223:1972 End of report