IPv4 R&E Routing Table Report 21:10 GMT Mon 15 May, 2023 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: 917515 Prefixes after maximum aggregation (per Origin AS): 348778 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448870 Number of IPv4 prefixes with a valid ROA: 395771 Number of IPv4 prefixes with an invalid ROA: 2622 Number of IPv4 prefixes with no ROA: 519122 Total ASes present in the Internet Routing Table: 74410 Prefixes per ASN: 12.33 Origin-only ASes present in the Internet Routing Table: 63950 Origin ASes announcing only one prefix: 26219 Transit ASes present in the Internet Routing Table: 10460 Transit-only ASes present in the Internet Routing Table: 430 Paths with bogon ASNs present in the IPv4 Routing Table: 64 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1111 Number of instances of unregistered ASNs: 1169 Number of 32-bit ASNs allocated by the RIRs: 41869 Number of 32-bit ASNs visible in the Routing Table: 34581 Prefixes from 32-bit ASNs in the Routing Table: 171236 Number of bogon 32-bit ASNs visible in the Routing Table: 155 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 613 Number of addresses announced to Internet: 3057034496 Equivalent to 182 /8s, 54 /16s and 165 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 307291 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239636 Total APNIC prefixes after maximum aggregation: 68843 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 234017 Unique aggregates announced from the APNIC address blocks: 98085 APNIC Region origin ASes present in the Internet Routing Table: 13413 APNIC Prefixes per ASN: 17.45 APNIC Region origin ASes announcing only one prefix: 3947 APNIC Region transit ASes present in the Internet Routing Table: 1795 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: 8730 Number of APNIC addresses announced to Internet: 773197824 Equivalent to 46 /8s, 22 /16s and 16 /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: 269654 Total ARIN prefixes after maximum aggregation: 122388 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272299 Unique aggregates announced from the ARIN address blocks: 130274 ARIN Region origin ASes present in the Internet Routing Table: 19103 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1929 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4796 Number of ARIN addresses announced to Internet: 1280892672 Equivalent to 76 /8s, 88 /16s and 223 /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: 259790 Total RIPE prefixes after maximum aggregation: 122474 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255767 Unique aggregates announced from the RIPE address blocks: 158280 RIPE Region origin ASes present in the Internet Routing Table: 28322 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12048 RIPE Region transit ASes present in the Internet Routing Table: 3904 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11180 Number of RIPE addresses announced to Internet: 718057728 Equivalent to 42 /8s, 204 /16s and 177 /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: 118141 Total LACNIC prefixes after maximum aggregation: 28455 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117400 Unique aggregates announced from the LACNIC address blocks: 49355 LACNIC Region origin ASes present in the Internet Routing Table: 10996 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2630 LACNIC Region transit ASes present in the Internet Routing Table: 2291 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8781 Number of LACNIC addresses announced to Internet: 176792064 Equivalent to 10 /8s, 137 /16s and 162 /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: 29183 Total AfriNIC prefixes after maximum aggregation: 5820 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 37418 Unique aggregates announced from the AfriNIC address blocks: 12367 AfriNIC Region origin ASes present in the Internet Routing Table: 1745 AfriNIC Prefixes per ASN: 21.44 AfriNIC Region origin ASes announcing only one prefix: 613 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1094 Number of AfriNIC addresses announced to Internet: 107687936 Equivalent to 6 /8s, 107 /16s and 48 /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 9491 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5721 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3574 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3380 1867 88 VNPT-AS-VN VNPT Corp, VN 7552 3228 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2960 491 241 BBIL-AP BHARTI Airtel Ltd., IN 4538 2734 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2394 836 449 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2300 11250 586 KIXS-AS-KR Korea Telecom, KR 45090 2184 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 8297 10782 2932 AMAZON-02, US 11492 4536 300 606 CABLEONE, US 7155 4011 281 51 VIASAT-SP-BACKBONE, US 22773 3574 3068 272 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1320 64 SHAW, CA 16625 3102 1568 2349 AKAMAI-AS, US 749 3100 54980 2352 DNIC-AS-00749, US 396982 2643 3591 370 GOOGLE-CLOUD-PLATFORM, US 30036 2496 360 466 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2488 24146 1562 ATT-INTERNET4, 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 7301 1707 141 UNI2-AS, ES 39891 4765 282 60 ALJAWWALSTC-AS, SA 20940 4089 3399 165 AKAMAI-ASN1, NL 8551 3881 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2924 2292 910 ROSTELECOM-AS, RU 9009 2721 252 1402 M247, RO 34984 2274 359 608 TELLCOM-AS, TR 6849 2017 307 17 UKRTELNET, UA 58224 1850 949 534 TCI, IR 13188 1607 100 18 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 11271 3328 601 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2350 361 620 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1330 2323 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 445 Techtel LMDS Comunicaciones Interactiva 26615 1035 2498 45 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 24863 1601 393 19 LINKdotNET-AS, EG 24835 1495 517 28 RAYA-AS, EG 36992 1335 1518 276 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1029 67 47 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 520 54 47 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 489 32 1 MOVITEL, MZ 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 11271 3328 601 Uninet S.A. de C.V., MX 9808 9491 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8297 10782 2932 AMAZON-02, US 12479 7301 1707 141 UNI2-AS, ES 7545 5721 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 282 60 ALJAWWALSTC-AS, SA 11492 4536 300 606 CABLEONE, US 20940 4089 3399 165 AKAMAI-ASN1, NL 7155 4011 281 51 VIASAT-SP-BACKBONE, US 8551 3881 370 37 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 9491 9454 CHINAMOBILE-CN China Mobile Communications Grou 12479 7301 7160 UNI2-AS, ES 16509 8297 5365 AMAZON-02, US 7545 5721 5031 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 4705 ALJAWWALSTC-AS, SA 7155 4011 3960 VIASAT-SP-BACKBONE, US 11492 4536 3930 CABLEONE, US 20940 4089 3924 AKAMAI-ASN1, NL 8551 3881 3844 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3574 3509 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 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 3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 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 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 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 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 /10:39 /11:104 /12:301 /13:579 /14:1196 /15:2086 /16:13467 /17:8206 /18:13799 /19:24970 /20:43327 /21:51184 /22:109482 /23:97816 /24:550928 /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 6365 7301 UNI2-AS, ES 8151 5237 11271 Uninet S.A. de C.V., MX 39891 3628 4765 ALJAWWALSTC-AS, SA 11492 3444 4536 CABLEONE, US 8551 3353 3881 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3524 SHAW, CA 7155 3069 4011 VIASAT-SP-BACKBONE, US 22773 2642 3574 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2152 2496 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2070 3517 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1557 2:1309 3:174 4:5 5:4537 6:128 7:6 8:1519 9:1 11:172 12:1536 13:385 14:2310 15:300 16:189 17:372 18:421 20:258 21:4 22:188 23:6226 24:2605 25:6 27:2536 29:19 31:2487 32:76 34:12 35:108 36:1954 37:4692 38:4605 39:843 40:151 41:3843 42:871 43:2350 44:309 45:16527 46:4301 47:362 49:1737 50:1843 51:506 52:1600 54:394 55:748 56:8 57:118 58:1737 59:1150 60:990 61:2486 62:2636 63:1921 64:5702 65:2321 66:5036 67:3029 68:1347 69:4100 70:1251 71:678 72:2987 74:2619 75:1554 76:613 77:2451 78:1818 79:3144 80:2120 81:1780 82:1499 83:1283 84:1528 85:2984 86:760 87:2027 88:1163 89:3689 90:615 91:7733 92:2061 93:2622 94:3621 95:4035 96:1310 97:336 98:1148 99:745 100:74 101:1074 102:2713 103:31418 104:4665 105:488 106:866 107:2521 108:1034 109:4412 110:2106 111:3114 112:2032 113:1496 114:1646 115:2037 116:1889 117:2545 118:2231 119:2020 120:1797 121:1095 122:2600 123:2168 124:1559 125:2495 128:1420 129:1087 130:1027 131:1989 132:839 133:422 134:1924 135:304 136:876 137:1092 138:2575 139:1557 140:1247 141:1451 142:1443 143:1507 144:1160 145:346 146:1946 147:1589 148:2374 149:2232 150:882 151:1156 152:1823 153:565 154:4413 155:1446 156:1799 157:1302 158:1072 159:2295 160:2543 161:1543 162:3517 163:1572 164:1625 165:1755 166:1059 167:1725 168:3864 169:939 170:4570 171:856 172:3557 173:2931 174:1074 175:1187 176:3696 177:4581 178:3595 179:2167 180:2618 181:3480 182:3349 183:1908 184:2354 185:20234 186:4745 187:3987 188:4090 189:3577 190:9169 191:1440 192:10928 193:8878 194:7310 195:5163 196:3105 197:2366 198:5974 199:6106 200:8030 201:5908 202:10614 203:10343 204:4577 205:3692 206:4308 207:3454 208:4098 209:4873 210:4368 211:2451 212:4162 213:3632 214:1093 215:59 216:6654 217:2692 218:1316 219:471 220:1999 221:978 222:779 223:2148 End of report