IPv4 R&E Routing Table Report 21:10 GMT Sun 21 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: 921724 Prefixes after maximum aggregation (per Origin AS): 349055 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 449464 Number of IPv4 prefixes with a valid ROA: 400665 Number of IPv4 prefixes with an invalid ROA: 2661 Number of IPv4 prefixes with no ROA: 518398 Total ASes present in the Internet Routing Table: 74425 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63957 Origin ASes announcing only one prefix: 26236 Transit ASes present in the Internet Routing Table: 10468 Transit-only ASes present in the Internet Routing Table: 428 Paths with bogon ASNs present in the IPv4 Routing Table: 65 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: 1100 Number of instances of unregistered ASNs: 1103 Number of 32-bit ASNs allocated by the RIRs: 41915 Number of 32-bit ASNs visible in the Routing Table: 34597 Prefixes from 32-bit ASNs in the Routing Table: 171793 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 621 Number of addresses announced to Internet: 3057698304 Equivalent to 182 /8s, 64 /16s and 198 /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: 307622 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243256 Total APNIC prefixes after maximum aggregation: 68878 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237459 Unique aggregates announced from the APNIC address blocks: 98219 APNIC Region origin ASes present in the Internet Routing Table: 13418 APNIC Prefixes per ASN: 17.70 APNIC Region origin ASes announcing only one prefix: 3950 APNIC Region transit ASes present in the Internet Routing Table: 1800 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8734 Number of APNIC addresses announced to Internet: 773250560 Equivalent to 46 /8s, 22 /16s and 222 /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: 269453 Total ARIN prefixes after maximum aggregation: 122493 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272274 Unique aggregates announced from the ARIN address blocks: 130391 ARIN Region origin ASes present in the Internet Routing Table: 19099 ARIN Prefixes per ASN: 14.26 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1928 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: 1281325312 Equivalent to 76 /8s, 95 /16s and 121 /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: 260183 Total RIPE prefixes after maximum aggregation: 122624 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256020 Unique aggregates announced from the RIPE address blocks: 158502 RIPE Region origin ASes present in the Internet Routing Table: 28336 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12054 RIPE Region transit ASes present in the Internet Routing Table: 3908 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: 11192 Number of RIPE addresses announced to Internet: 717981440 Equivalent to 42 /8s, 203 /16s and 135 /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: 118407 Total LACNIC prefixes after maximum aggregation: 28433 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117630 Unique aggregates announced from the LACNIC address blocks: 49485 LACNIC Region origin ASes present in the Internet Routing Table: 11001 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2648 LACNIC Region transit ASes present in the Internet Routing Table: 2289 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: 8782 Number of LACNIC addresses announced to Internet: 176946944 Equivalent to 10 /8s, 139 /16s and 255 /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: 29325 Total AfriNIC prefixes after maximum aggregation: 5832 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 37719 Unique aggregates announced from the AfriNIC address blocks: 12350 AfriNIC Region origin ASes present in the Internet Routing Table: 1743 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 611 AfriNIC Region transit ASes present in the Internet Routing Table: 335 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: 107786240 Equivalent to 6 /8s, 108 /16s and 176 /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 5717 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4132 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3572 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3375 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 2731 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2399 837 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2300 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 8296 10780 2946 AMAZON-02, US 11492 4538 301 603 CABLEONE, US 7155 4020 281 51 VIASAT-SP-BACKBONE, US 22773 3565 3067 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 64 SHAW, CA 749 3100 54980 2352 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 7312 1707 141 UNI2-AS, ES 39891 4765 282 59 ALJAWWALSTC-AS, SA 20940 4107 3399 165 AKAMAI-ASN1, NL 8551 3882 370 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2925 2292 910 ROSTELECOM-AS, RU 9009 2720 251 1405 M247, RO 34984 2280 360 603 TELLCOM-AS, TR 6849 2017 307 17 UKRTELNET, UA 58224 1832 946 541 TCI, IR 61317 1612 108 1216 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 11289 3342 597 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2349 361 621 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 1133 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 1604 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 37342 489 32 1 MOVITEL, MZ 24757 476 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 11289 3342 597 Uninet S.A. de C.V., MX 9808 9494 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8296 10780 2946 AMAZON-02, US 12479 7312 1707 141 UNI2-AS, ES 7545 5717 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 282 59 ALJAWWALSTC-AS, SA 11492 4538 301 603 CABLEONE, US 18403 4132 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 7312 7171 UNI2-AS, ES 16509 8296 5350 AMAZON-02, US 7545 5717 5027 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 4706 ALJAWWALSTC-AS, SA 18403 4132 4107 FPT-AS-AP FPT Telecom Company, VN 7155 4020 3969 VIASAT-SP-BACKBONE, US 20940 4107 3942 AKAMAI-ASN1, NL 11492 4538 3935 CABLEONE, US 8551 3882 3847 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 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 /13:581 /14:1198 /15:2086 /16:13491 /17:8212 /18:13811 /19:24966 /20:43590 /21:51247 /22:109574 /23:98225 /24:554268 /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 6382 7312 UNI2-AS, ES 8151 5271 11289 Uninet S.A. de C.V., MX 39891 3628 4765 ALJAWWALSTC-AS, SA 11492 3445 4538 CABLEONE, US 8551 3355 3882 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3525 SHAW, CA 7155 3070 4020 VIASAT-SP-BACKBONE, US 22773 2636 3565 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 5:4540 6:131 7:6 8:1529 9:1 11:172 12:1539 13:388 14:2302 15:303 16:188 17:372 18:421 20:258 21:4 22:188 23:6276 24:2598 25:6 27:2546 29:19 31:2489 32:77 34:21 35:111 36:1959 37:4685 38:4644 39:845 40:151 41:3935 42:1957 43:2360 44:311 45:16530 46:4344 47:361 49:1739 50:1846 51:579 52:1600 54:391 55:843 56:8 57:117 58:1897 59:1151 60:990 61:2497 62:2640 63:1926 64:5691 65:2334 66:5038 67:2919 68:1345 69:4105 70:1223 71:678 72:2993 74:2615 75:1560 76:610 77:2439 78:1819 79:3169 80:2117 81:1781 82:1495 83:1276 84:1529 85:2985 86:773 87:2021 88:1173 89:3717 90:619 91:7749 92:2067 93:2606 94:3618 95:4048 96:1304 97:336 98:1093 99:746 100:71 101:1074 102:2727 103:31483 104:4691 105:492 106:869 107:2582 108:1043 109:4422 110:2097 111:3109 112:2033 113:1723 114:1641 115:2034 116:1892 117:2548 118:2614 119:2018 120:1799 121:1095 122:2604 123:2167 124:1561 125:2491 128:1415 129:1021 130:1029 131:1991 132:855 133:422 134:1923 135:305 136:841 137:1094 138:2585 139:1557 140:1248 141:1431 142:1457 143:1508 144:1154 145:346 146:1940 147:1588 148:2385 149:2214 150:882 151:1158 152:1820 153:564 154:4442 155:1443 156:1794 157:1318 158:1079 159:2240 160:2545 161:1549 162:3513 163:1578 164:1564 165:1763 166:1080 167:1739 168:3886 169:938 170:4584 171:874 172:3567 173:2952 174:1048 175:1184 176:3639 177:4630 178:3588 179:2224 180:2627 181:3494 182:3349 183:2100 184:2353 185:20264 186:4792 187:4025 188:4097 189:3635 190:9165 191:1471 192:10944 193:8872 194:7305 195:5191 196:3103 197:2377 198:5970 199:6089 200:8043 201:5904 202:10597 203:10330 204:4574 205:3697 206:4285 207:3457 208:4098 209:4882 210:4368 211:2451 212:4170 213:3631 214:1084 215:59 216:6657 217:2698 218:1310 219:471 220:1996 221:978 222:781 223:2149 End of report