IPv4 R&E Routing Table Report 21:10 GMT Fri 19 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: 921924 Prefixes after maximum aggregation (per Origin AS): 349070 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 449323 Number of IPv4 prefixes with a valid ROA: 400662 Number of IPv4 prefixes with an invalid ROA: 2625 Number of IPv4 prefixes with no ROA: 518637 Total ASes present in the Internet Routing Table: 74440 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63974 Origin ASes announcing only one prefix: 26240 Transit ASes present in the Internet Routing Table: 10466 Transit-only ASes present in the Internet Routing Table: 425 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: 1106 Number of instances of unregistered ASNs: 1163 Number of 32-bit ASNs allocated by the RIRs: 41896 Number of 32-bit ASNs visible in the Routing Table: 34607 Prefixes from 32-bit ASNs in the Routing Table: 171760 Number of bogon 32-bit ASNs visible in the Routing Table: 153 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 622 Number of addresses announced to Internet: 3057025792 Equivalent to 182 /8s, 54 /16s and 131 /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: 307752 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243254 Total APNIC prefixes after maximum aggregation: 68883 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237488 Unique aggregates announced from the APNIC address blocks: 98212 APNIC Region origin ASes present in the Internet Routing Table: 13429 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 3948 APNIC Region transit ASes present in the Internet Routing Table: 1801 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: 8742 Number of APNIC addresses announced to Internet: 773252864 Equivalent to 46 /8s, 22 /16s and 231 /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: 269794 Total ARIN prefixes after maximum aggregation: 122529 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272579 Unique aggregates announced from the ARIN address blocks: 130408 ARIN Region origin ASes present in the Internet Routing Table: 19103 ARIN Prefixes per ASN: 14.27 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1934 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 29 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4794 Number of ARIN addresses announced to Internet: 1280748800 Equivalent to 76 /8s, 86 /16s and 173 /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: 260069 Total RIPE prefixes after maximum aggregation: 122606 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255916 Unique aggregates announced from the RIPE address blocks: 158390 RIPE Region origin ASes present in the Internet Routing Table: 28330 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3907 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: 11190 Number of RIPE addresses announced to Internet: 717903616 Equivalent to 42 /8s, 202 /16s and 87 /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: 118399 Total LACNIC prefixes after maximum aggregation: 28419 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117624 Unique aggregates announced from the LACNIC address blocks: 49429 LACNIC Region origin ASes present in the Internet Routing Table: 11005 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2284 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8788 Number of LACNIC addresses announced to Internet: 176958976 Equivalent to 10 /8s, 140 /16s and 46 /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: 29302 Total AfriNIC prefixes after maximum aggregation: 5834 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 37694 Unique aggregates announced from the AfriNIC address blocks: 12366 AfriNIC Region origin ASes present in the Internet Routing Table: 1746 AfriNIC Prefixes per ASN: 21.59 AfriNIC Region origin ASes announcing only one prefix: 611 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: 1093 Number of AfriNIC addresses announced to Internet: 107753472 Equivalent to 6 /8s, 108 /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 9494 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5718 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4133 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3572 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3380 1867 88 VNPT-AS-VN VNPT Corp, VN 7552 3229 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2961 491 241 BBIL-AP BHARTI Airtel Ltd., IN 4538 2734 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2399 837 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2299 11250 586 KIXS-AS-KR Korea Telecom, KR 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 8298 10780 2939 AMAZON-02, US 11492 4537 300 609 CABLEONE, US 7155 4020 281 51 VIASAT-SP-BACKBONE, US 22773 3568 3068 270 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 64 SHAW, CA 749 3099 54980 2351 DNIC-AS-00749, US 16625 3090 1552 2334 AKAMAI-AS, US 396982 2655 3592 372 GOOGLE-CLOUD-PLATFORM, US 7018 2513 24149 1584 ATT-INTERNET4, US 30036 2500 361 448 MEDIACOM-ENTERPRISE-BUSINESS, 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 7313 1707 141 UNI2-AS, ES 39891 4765 282 59 ALJAWWALSTC-AS, SA 20940 4107 3399 165 AKAMAI-ASN1, NL 8551 3879 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2287 906 ROSTELECOM-AS, RU 9009 2720 251 1405 M247, RO 34984 2281 360 604 TELLCOM-AS, TR 6849 2017 307 17 UKRTELNET, UA 58224 1840 948 547 TCI, IR 61317 1606 107 1212 ASDETUK www.heficed.com, US 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 11305 3348 592 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2348 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 1096 180 438 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 1605 393 19 LINKdotNET-AS, EG 24835 1496 533 29 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1028 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 520 54 47 WANANCHI-, KE 24757 491 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 11305 3348 592 Uninet S.A. de C.V., MX 9808 9494 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8298 10780 2939 AMAZON-02, US 12479 7313 1707 141 UNI2-AS, ES 7545 5718 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 282 59 ALJAWWALSTC-AS, SA 11492 4537 300 609 CABLEONE, US 18403 4133 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4107 3399 165 AKAMAI-ASN1, NL 7155 4020 281 51 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 9494 9457 CHINAMOBILE-CN China Mobile Communications Grou 12479 7313 7172 UNI2-AS, ES 16509 8298 5359 AMAZON-02, US 7545 5718 5029 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 4706 ALJAWWALSTC-AS, SA 18403 4133 4108 FPT-AS-AP FPT Telecom Company, VN 7155 4020 3969 VIASAT-SP-BACKBONE, US 20940 4107 3942 AKAMAI-ASN1, NL 11492 4537 3928 CABLEONE, US 8551 3879 3842 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 23.153.136.0/24 Origin: 399976 NOVANETWORKS, US 23.153.136.0/24 Transit: 20473 AS-CHOOPA, 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 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 /13:581 /14:1198 /15:2087 /16:13478 /17:8206 /18:13807 /19:24964 /20:43618 /21:51266 /22:109537 /23:98282 /24:554425 /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 6383 7313 UNI2-AS, ES 8151 5271 11305 Uninet S.A. de C.V., MX 39891 3628 4765 ALJAWWALSTC-AS, SA 11492 3444 4537 CABLEONE, US 8551 3351 3879 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3525 SHAW, CA 7155 3070 4020 VIASAT-SP-BACKBONE, US 22773 2637 3568 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2500 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) ---------------------------------------------- 1:2131 2:1308 3:175 4:5 5:4538 6:131 7:6 8:1530 9:1 11:172 12:1537 13:388 14:2306 15:303 16:188 17:372 18:419 20:258 21:4 22:188 23:6274 24:2602 25:6 27:2548 29:19 31:2492 32:76 34:21 35:111 36:1959 37:4686 38:4638 39:845 40:152 41:3919 42:1958 43:2360 44:310 45:16538 46:4305 47:362 49:1740 50:1844 51:571 52:1600 54:393 55:855 56:8 57:117 58:1897 59:1150 60:990 61:2498 62:2643 63:1922 64:5678 65:2322 66:5036 67:3025 68:1345 69:4105 70:1223 71:678 72:2993 74:2610 75:1559 76:609 77:2441 78:1816 79:3169 80:2123 81:1779 82:1503 83:1276 84:1530 85:2986 86:769 87:2013 88:1170 89:3713 90:618 91:7740 92:2063 93:2614 94:3621 95:4048 96:1308 97:336 98:1151 99:746 100:74 101:1074 102:2723 103:31462 104:4691 105:492 106:870 107:2586 108:1043 109:4417 110:2113 111:3104 112:2033 113:1723 114:1643 115:2034 116:1892 117:2548 118:2614 119:2019 120:1799 121:1095 122:2605 123:2168 124:1562 125:2492 128:1419 129:1021 130:1027 131:1994 132:855 133:422 134:1926 135:305 136:879 137:1095 138:2572 139:1554 140:1248 141:1436 142:1458 143:1511 144:1154 145:346 146:1942 147:1589 148:2386 149:2208 150:883 151:1157 152:1824 153:565 154:4440 155:1444 156:1795 157:1318 158:1080 159:2239 160:2545 161:1548 162:3518 163:1575 164:1617 165:1759 166:1073 167:1738 168:3867 169:939 170:4573 171:874 172:3571 173:2954 174:1075 175:1188 176:3716 177:4622 178:3595 179:2215 180:2629 181:3494 182:3351 183:2103 184:2348 185:20261 186:4755 187:4012 188:4092 189:3631 190:9166 191:1445 192:10940 193:8872 194:7303 195:5192 196:3100 197:2372 198:5955 199:6087 200:8054 201:5908 202:10600 203:10327 204:4575 205:3689 206:4294 207:3453 208:4104 209:4895 210:4369 211:2451 212:4171 213:3630 214:1084 215:59 216:6655 217:2698 218:1311 219:471 220:1997 221:978 222:781 223:2148 End of report