IPv4 R&E Routing Table Report 21:10 GMT Mon 10 Jul, 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: 924957 Prefixes after maximum aggregation (per Origin AS): 350679 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 452099 Number of IPv4 prefixes with a valid ROA: 411863 Number of IPv4 prefixes with an invalid ROA: 2394 Number of IPv4 prefixes with no ROA: 510700 Total ASes present in the Internet Routing Table: 74543 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64093 Origin ASes announcing only one prefix: 26290 Transit ASes present in the Internet Routing Table: 10450 Transit-only ASes present in the Internet Routing Table: 435 Paths with bogon ASNs present in the IPv4 Routing Table: 59 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: 1055 Number of instances of unregistered ASNs: 1074 Number of 32-bit ASNs allocated by the RIRs: 42273 Number of 32-bit ASNs visible in the Routing Table: 34782 Prefixes from 32-bit ASNs in the Routing Table: 173200 Number of bogon 32-bit ASNs visible in the Routing Table: 87 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 533 Number of addresses announced to Internet: 3053483520 Equivalent to 182 /8s, 0 /16s and 118 /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: 308406 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243889 Total APNIC prefixes after maximum aggregation: 69231 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 237765 Unique aggregates announced from the APNIC address blocks: 98701 APNIC Region origin ASes present in the Internet Routing Table: 13484 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 3989 APNIC Region transit ASes present in the Internet Routing Table: 1786 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: 8821 Number of APNIC addresses announced to Internet: 773245952 Equivalent to 46 /8s, 22 /16s and 204 /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: 271400 Total ARIN prefixes after maximum aggregation: 123543 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273611 Unique aggregates announced from the ARIN address blocks: 130902 ARIN Region origin ASes present in the Internet Routing Table: 19098 ARIN Prefixes per ASN: 14.33 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1925 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: 4806 Number of ARIN addresses announced to Internet: 1277152768 Equivalent to 76 /8s, 31 /16s and 206 /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: 260112 Total RIPE prefixes after maximum aggregation: 122744 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256757 Unique aggregates announced from the RIPE address blocks: 159805 RIPE Region origin ASes present in the Internet Routing Table: 28367 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12047 RIPE Region transit ASes present in the Internet Routing Table: 3896 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: 11237 Number of RIPE addresses announced to Internet: 716777984 Equivalent to 42 /8s, 185 /16s and 42 /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: 118859 Total LACNIC prefixes after maximum aggregation: 28593 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 118019 Unique aggregates announced from the LACNIC address blocks: 49563 LACNIC Region origin ASes present in the Internet Routing Table: 11022 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2321 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: 8810 Number of LACNIC addresses announced to Internet: 178422016 Equivalent to 10 /8s, 162 /16s and 129 /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: 29642 Total AfriNIC prefixes after maximum aggregation: 5856 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38271 Unique aggregates announced from the AfriNIC address blocks: 12686 AfriNIC Region origin ASes present in the Internet Routing Table: 1755 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 613 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: 1108 Number of AfriNIC addresses announced to Internet: 107570176 Equivalent to 6 /8s, 105 /16s and 100 /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 9528 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5684 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3537 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3364 1867 87 VNPT-AS-VN VNPT Corp, VN 7552 3335 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3045 498 248 BBIL-AP BHARTI Airtel Ltd., IN 4538 2733 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2442 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 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 8699 10905 3140 AMAZON-02, US 11492 4519 300 623 CABLEONE, US 7155 4165 286 85 VIASAT-SP-BACKBONE, US 22773 3548 3070 269 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3145 1556 2361 AKAMAI-AS, US 749 3142 54962 2394 DNIC-AS-00749, US 367 2744 3743 1313 DNIC-ASBLK-00306-00371, US 396982 2674 3594 384 GOOGLE-CLOUD-PLATFORM, US 30036 2503 361 404 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 7309 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4090 3398 160 AKAMAI-ASN1, NL 8551 3464 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2948 2294 913 ROSTELECOM-AS, RU 9009 2655 247 1379 M247, RO 34984 2306 361 611 TELLCOM-AS, TR 58224 1824 946 535 TCI, IR 6849 1809 307 17 UKRTELNET, UA 13188 1606 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 11557 3375 591 UNINET, MX 10620 3531 507 841 Telmex Colombia S.A., CO 13999 2403 360 630 Mega Cable, S.A. de C.V., MX 11830 2225 369 64 Instituto Costarricense de Electricidad 28573 1317 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1304 344 512 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1104 177 435 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 47 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 1627 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1352 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 487 73 5 EthioNet-AS, ET 37342 468 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 11557 3375 591 UNINET, MX 9808 9528 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8699 10905 3140 AMAZON-02, US 12479 7309 1706 141 UNI2-AS, ES 7545 5684 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 623 CABLEONE, US 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4165 286 85 VIASAT-SP-BACKBONE, US 20940 4090 3398 160 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 9528 9491 CHINAMOBILE-CN China Mobile Communications Grou 12479 7309 7168 UNI2-AS, ES 16509 8699 5559 AMAZON-02, US 7545 5684 4993 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4217 4192 FPT-AS-AP FPT Telecom Company, VN 7155 4165 4080 VIASAT-SP-BACKBONE, US 20940 4090 3930 AKAMAI-ASN1, NL 11492 4519 3896 CABLEONE, US 7713 3537 3474 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 46887 LIGHTOWER, 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 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 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 /11:103 /12:296 /13:577 /14:1198 /15:2107 /16:13467 /17:8235 /18:13813 /19:25058 /20:43865 /21:51469 /22:109817 /23:98682 /24:556200 /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 6397 7309 UNI2-AS, ES 8151 5486 11557 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3428 4519 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3116 4165 VIASAT-SP-BACKBONE, US 8551 2933 3464 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2613 3548 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2089 3531 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) ---------------------------------------------- 1:2155 2:1343 3:227 4:5 5:4515 6:130 7:6 8:1530 9:1 11:172 12:1517 13:387 14:2316 15:301 16:196 17:376 18:501 20:262 21:4 22:188 23:6362 24:2527 25:6 27:2543 29:19 31:2513 32:77 34:23 35:113 36:1958 37:4689 38:4953 39:828 40:152 41:3934 42:2002 43:2329 44:304 45:16652 46:4350 47:376 49:1758 50:1860 51:586 52:1592 54:395 55:973 56:8 57:120 58:1892 59:1159 60:988 61:2485 62:2630 63:1904 64:5623 65:2316 66:5041 67:3044 68:1354 69:4090 70:1212 71:684 72:2986 74:2630 75:1568 76:616 77:2459 78:1822 79:2979 80:2112 81:1790 82:1497 83:1260 84:1544 85:2967 86:764 87:2010 88:1191 89:3812 90:614 91:7781 92:2049 93:2602 94:3585 95:4057 96:1311 97:336 98:1155 99:736 100:95 101:1313 102:2840 103:31782 104:4574 105:506 106:876 107:2556 108:1090 109:4246 110:2098 111:3128 112:2060 113:1740 114:1629 115:2027 116:1894 117:2539 118:2617 119:1984 120:1795 121:1103 122:2569 123:2156 124:1568 125:2476 128:1472 129:1052 130:1019 131:1982 132:856 133:422 134:1798 135:308 136:894 137:1100 138:2541 139:1566 140:1252 141:1347 142:1471 143:1496 144:1034 145:342 146:1966 147:1583 148:2436 149:2166 150:883 151:1166 152:1840 153:562 154:4664 155:1386 156:1821 157:1312 158:1091 159:2266 160:2584 161:1567 162:3522 163:1572 164:1605 165:1875 166:1071 167:1721 168:3849 169:952 170:4615 171:873 172:3641 173:2964 174:1082 175:1203 176:3776 177:4493 178:3613 179:2174 180:2548 181:3490 182:3392 183:1996 184:2320 185:20438 186:4771 187:4068 188:4102 189:3707 190:9262 191:1383 192:10914 193:8943 194:7336 195:5149 196:3123 197:2377 198:5991 199:6111 200:8062 201:5928 202:10531 203:10277 204:4572 205:3708 206:4338 207:3438 208:4141 209:4931 210:4399 211:2472 212:4253 213:3611 214:1085 215:59 216:6664 217:2756 218:1304 219:477 220:1999 221:968 222:753 223:2157 End of report