IPv4 R&E Routing Table Report 21:10 GMT Fri 04 Aug, 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: 926356 Prefixes after maximum aggregation (per Origin AS): 351065 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 452575 Number of IPv4 prefixes with a valid ROA: 415959 Number of IPv4 prefixes with an invalid ROA: 2267 Number of IPv4 prefixes with no ROA: 508130 Total ASes present in the Internet Routing Table: 74615 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64152 Origin ASes announcing only one prefix: 26267 Transit ASes present in the Internet Routing Table: 10463 Transit-only ASes present in the Internet Routing Table: 451 Paths with bogon ASNs present in the IPv4 Routing Table: 62 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 130 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1091 Number of instances of unregistered ASNs: 1107 Number of 32-bit ASNs allocated by the RIRs: 42372 Number of 32-bit ASNs visible in the Routing Table: 34875 Prefixes from 32-bit ASNs in the Routing Table: 173817 Number of bogon 32-bit ASNs visible in the Routing Table: 84 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 579 Number of addresses announced to Internet: 3052900352 Equivalent to 181 /8s, 247 /16s and 144 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308878 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244456 Total APNIC prefixes after maximum aggregation: 69561 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 238255 Unique aggregates announced from the APNIC address blocks: 98761 APNIC Region origin ASes present in the Internet Routing Table: 13516 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 3986 APNIC Region transit ASes present in the Internet Routing Table: 1779 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8850 Number of APNIC addresses announced to Internet: 773081344 Equivalent to 46 /8s, 20 /16s and 73 /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: 272115 Total ARIN prefixes after maximum aggregation: 123760 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274140 Unique aggregates announced from the ARIN address blocks: 130949 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.37 ARIN Region origin ASes announcing only one prefix: 6953 ARIN Region transit ASes present in the Internet Routing Table: 1923 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4813 Number of ARIN addresses announced to Internet: 1276792064 Equivalent to 76 /8s, 26 /16s and 77 /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: 260133 Total RIPE prefixes after maximum aggregation: 122534 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256995 Unique aggregates announced from the RIPE address blocks: 159900 RIPE Region origin ASes present in the Internet Routing Table: 28381 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12049 RIPE Region transit ASes present in the Internet Routing Table: 3901 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11278 Number of RIPE addresses announced to Internet: 716484096 Equivalent to 42 /8s, 180 /16s and 174 /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: 118754 Total LACNIC prefixes after maximum aggregation: 28545 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117882 Unique aggregates announced from the LACNIC address blocks: 49744 LACNIC Region origin ASes present in the Internet Routing Table: 11009 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2334 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 34 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8815 Number of LACNIC addresses announced to Internet: 178522368 Equivalent to 10 /8s, 164 /16s and 9 /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: 29807 Total AfriNIC prefixes after maximum aggregation: 5924 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 38504 Unique aggregates announced from the AfriNIC address blocks: 12736 AfriNIC Region origin ASes present in the Internet Routing Table: 1772 AfriNIC Prefixes per ASN: 21.73 AfriNIC Region origin ASes announcing only one prefix: 622 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 130 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1119 Number of AfriNIC addresses announced to Internet: 107626240 Equivalent to 6 /8s, 106 /16s and 63 /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 9523 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5690 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4262 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3354 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3336 1835 91 VNPT-AS-VN VNPT Corp, VN 9498 3059 498 247 BBIL-AP BHARTI Airtel Ltd., IN 4538 2947 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2472 839 427 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2307 11270 588 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 8861 10942 3166 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4194 288 101 VIASAT-SP-BACKBONE, US 22773 3561 3070 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3073 1507 2317 AKAMAI-AS, US 367 2962 3824 1393 DNIC-ASBLK-00306-00371, US 396982 2684 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2509 359 376 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 7323 1707 142 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4083 3398 157 AKAMAI-ASN1, NL 8551 3453 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2950 2294 914 ROSTELECOM-AS, RU 9009 2661 247 1387 M247, RO 34984 2317 362 602 TELLCOM-AS, TR 58224 1815 944 536 TCI, IR 13188 1606 100 27 TRIOLAN, UA 6849 1604 307 17 UKRTELNET, 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 11600 3371 601 UNINET, MX 10620 3535 507 828 Telmex Colombia S.A., CO 13999 2422 362 639 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1315 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1114 181 435 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 48 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 1587 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 37342 498 32 1 MOVITEL, MZ 15399 448 54 48 WANANCHI-, KE 24757 440 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 11600 3371 601 UNINET, MX 9808 9523 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8861 10942 3166 AMAZON-02, US 12479 7323 1707 142 UNI2-AS, ES 7545 5690 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4262 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4194 288 101 VIASAT-SP-BACKBONE, US 20940 4083 3398 157 AKAMAI-ASN1, NL 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 9523 9486 CHINAMOBILE-CN China Mobile Communications Grou 12479 7323 7181 UNI2-AS, ES 16509 8861 5695 AMAZON-02, US 7545 5690 5002 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4262 4237 FPT-AS-AP FPT Telecom Company, VN 7155 4194 4093 VIASAT-SP-BACKBONE, US 20940 4083 3926 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7713 3587 3524 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 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 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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 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 23.140.216.0/24 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 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 /11:102 /12:296 /13:575 /14:1195 /15:2101 /16:13484 /17:8245 /18:13836 /19:25010 /20:43897 /21:51397 /22:109874 /23:98835 /24:557439 /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 6412 7323 UNI2-AS, ES 8151 5609 11600 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3139 4194 VIASAT-SP-BACKBONE, US 8551 2922 3453 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2610 3561 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2166 2509 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2094 3535 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) ---------------------------------------------- 1:2179 2:1338 3:247 4:5 5:4508 6:134 7:6 8:1532 9:1 11:172 12:1520 13:384 14:2300 15:302 16:198 17:374 18:596 20:273 21:4 22:188 23:6372 24:2637 25:6 27:2564 29:19 31:2523 32:78 34:25 35:113 36:1975 37:4672 38:5108 39:835 40:147 41:3927 42:2035 43:2324 44:312 45:16626 46:4312 47:384 49:1771 50:1861 51:585 52:1594 54:391 55:950 56:8 57:122 58:1901 59:1165 60:993 61:2467 62:2657 63:1921 64:5588 65:2310 66:4956 67:3050 68:1322 69:4090 70:1207 71:689 72:2980 74:2637 75:1580 76:620 77:2456 78:1828 79:2974 80:2114 81:1805 82:1496 83:1282 84:1536 85:2969 86:763 87:1999 88:1173 89:3862 90:616 91:7818 92:2055 93:2585 94:3573 95:4033 96:1305 97:318 98:1147 99:734 100:96 101:1318 102:2872 103:31956 104:4593 105:562 106:878 107:2550 108:1099 109:4265 110:2111 111:3130 112:2062 113:1737 114:1673 115:2038 116:1890 117:2532 118:2680 119:1978 120:1788 121:1125 122:2587 123:2163 124:1568 125:2500 128:1476 129:1051 130:1028 131:1971 132:853 133:422 134:1791 135:306 136:899 137:1110 138:2633 139:1579 140:1242 141:1293 142:1474 143:1494 144:1011 145:342 146:1966 147:1611 148:2439 149:2186 150:886 151:1168 152:1848 153:576 154:4706 155:1381 156:1880 157:1315 158:1079 159:2227 160:2597 161:1574 162:3519 163:1588 164:1720 165:1869 166:997 167:1739 168:3875 169:931 170:4600 171:879 172:3638 173:2985 174:1048 175:1189 176:3754 177:4551 178:3608 179:2174 180:2505 181:3484 182:3400 183:1943 184:2313 185:20504 186:4794 187:4113 188:4120 189:3773 190:9214 191:1400 192:10951 193:8946 194:7289 195:5162 196:3109 197:2457 198:6003 199:6101 200:8013 201:5994 202:10526 203:10217 204:4561 205:3651 206:4318 207:3445 208:4155 209:4944 210:4426 211:2476 212:4244 213:3601 214:1087 215:60 216:6734 217:2769 218:1299 219:477 220:2031 221:970 222:761 223:2159 End of report