IPv4 R&E Routing Table Report 21:10 GMT Thu 27 Apr, 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: 918054 Prefixes after maximum aggregation (per Origin AS): 348119 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 449202 Number of IPv4 prefixes with a valid ROA: 395067 Number of IPv4 prefixes with an invalid ROA: 2821 Number of IPv4 prefixes with no ROA: 520166 Total ASes present in the Internet Routing Table: 74337 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63855 Origin ASes announcing only one prefix: 26173 Transit ASes present in the Internet Routing Table: 10482 Transit-only ASes present in the Internet Routing Table: 436 Paths with bogon ASNs present in the IPv4 Routing Table: 56 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 87 Max AS path prepend of ASN ( 37447) 85 Prefixes from unregistered ASNs in the Routing Table: 1097 Number of instances of unregistered ASNs: 1100 Number of 32-bit ASNs allocated by the RIRs: 41745 Number of 32-bit ASNs visible in the Routing Table: 34490 Prefixes from 32-bit ASNs in the Routing Table: 170800 Number of bogon 32-bit ASNs visible in the Routing Table: 51 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 636 Number of addresses announced to Internet: 3059360512 Equivalent to 182 /8s, 90 /16s and 35 /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: 306575 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241279 Total APNIC prefixes after maximum aggregation: 68734 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 235541 Unique aggregates announced from the APNIC address blocks: 97881 APNIC Region origin ASes present in the Internet Routing Table: 13368 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3916 APNIC Region transit ASes present in the Internet Routing Table: 1796 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: 8687 Number of APNIC addresses announced to Internet: 772998656 Equivalent to 46 /8s, 19 /16s and 6 /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: 269114 Total ARIN prefixes after maximum aggregation: 122112 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271764 Unique aggregates announced from the ARIN address blocks: 131014 ARIN Region origin ASes present in the Internet Routing Table: 19079 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1939 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: 4784 Number of ARIN addresses announced to Internet: 1283375616 Equivalent to 76 /8s, 126 /16s and 194 /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: 259330 Total RIPE prefixes after maximum aggregation: 122255 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255264 Unique aggregates announced from the RIPE address blocks: 158121 RIPE Region origin ASes present in the Internet Routing Table: 28328 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12053 RIPE Region transit ASes present in the Internet Routing Table: 3913 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: 11158 Number of RIPE addresses announced to Internet: 718001664 Equivalent to 42 /8s, 203 /16s and 214 /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: 118072 Total LACNIC prefixes after maximum aggregation: 28429 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117335 Unique aggregates announced from the LACNIC address blocks: 49340 LACNIC Region origin ASes present in the Internet Routing Table: 10990 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2639 LACNIC Region transit ASes present in the Internet Routing Table: 2296 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: 8776 Number of LACNIC addresses announced to Internet: 176738048 Equivalent to 10 /8s, 136 /16s and 207 /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: 29162 Total AfriNIC prefixes after maximum aggregation: 5802 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 37513 Unique aggregates announced from the AfriNIC address blocks: 12320 AfriNIC Region origin ASes present in the Internet Routing Table: 1736 AfriNIC Prefixes per ASN: 21.61 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 87 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1085 Number of AfriNIC addresses announced to Internet: 107828992 Equivalent to 6 /8s, 109 /16s and 87 /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 9474 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5730 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4041 1872 41 VNPT-AS-VN VNPT Corp, VN 7713 3560 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3227 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2941 489 234 BBIL-AP BHARTI Airtel Ltd., IN 4538 2749 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2386 837 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2302 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 8267 10779 2923 AMAZON-02, US 11492 4545 301 593 CABLEONE, US 7155 3976 281 51 VIASAT-SP-BACKBONE, US 22773 3590 3074 285 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3163 1576 2356 AKAMAI-AS, US 749 3071 53111 2323 DNIC-AS-00749, US 396982 2633 3590 364 GOOGLE-CLOUD-PLATFORM, US 7018 2522 24151 1581 ATT-INTERNET4, US 30036 2501 361 458 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 7267 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4093 3399 166 AKAMAI-ASN1, NL 8551 3890 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2928 2292 909 ROSTELECOM-AS, RU 9009 2677 251 1401 M247, RO 34984 2275 359 613 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1852 950 544 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 11258 3347 593 Uninet S.A. de C.V., MX 10620 3503 507 854 Telmex Colombia S.A., CO 13999 2335 358 617 Mega Cable, S.A. de C.V., MX 11830 2263 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 441 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 1585 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1024 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 518 54 46 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 24757 489 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 11258 3347 593 Uninet S.A. de C.V., MX 9808 9474 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8267 10779 2923 AMAZON-02, US 12479 7267 1706 140 UNI2-AS, ES 7545 5730 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4545 301 593 CABLEONE, US 20940 4093 3399 166 AKAMAI-ASN1, NL 45899 4041 1872 41 VNPT-AS-VN VNPT Corp, VN 7155 3976 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 9474 9437 CHINAMOBILE-CN China Mobile Communications Grou 12479 7267 7127 UNI2-AS, ES 16509 8267 5344 AMAZON-02, US 7545 5730 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4041 4000 VNPT-AS-VN VNPT Corp, VN 11492 4545 3952 CABLEONE, US 20940 4093 3927 AKAMAI-ASN1, NL 7155 3976 3925 VIASAT-SP-BACKBONE, US 8551 3890 3853 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 5.105.166.0/24 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 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 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 6461 ZAYO-6461, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 6461 ZAYO-6461, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 6461 ZAYO-6461, US 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 /12:298 /13:578 /14:1193 /15:2082 /16:13459 /17:8202 /18:14240 /19:25059 /20:43741 /21:51147 /22:109405 /23:97750 /24:550727 /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 6327 7267 UNI2-AS, ES 8151 5195 11258 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3454 4545 CABLEONE, US 8551 3362 3890 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3324 3514 SHAW, CA 7155 3043 3976 VIASAT-SP-BACKBONE, US 22773 2654 3590 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2057 3503 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) ---------------------------------------------- 1:1777 2:1289 3:175 4:5 5:4505 6:128 7:6 8:1524 9:1 11:172 12:1534 13:389 14:2332 15:299 16:182 17:368 18:418 20:256 21:4 22:188 23:6244 24:2593 25:6 27:2540 29:19 31:2500 32:78 34:12 35:108 36:1936 37:4646 38:4445 39:820 40:151 41:3915 42:1202 43:2348 44:308 45:16558 46:4260 47:362 49:1729 50:1832 51:573 52:1595 54:390 55:860 56:8 57:117 58:1787 59:1149 60:993 61:2448 62:2636 63:1921 64:5697 65:2328 66:5005 67:3032 68:1367 69:4149 70:1234 71:682 72:2981 74:2610 75:1448 76:613 77:2444 78:1814 79:3172 80:2104 81:1760 82:1488 83:1275 84:1531 85:2983 86:761 87:2007 88:1165 89:3665 90:613 91:7733 92:2066 93:2625 94:3598 95:4006 96:1324 97:337 98:1152 99:746 100:74 101:1072 102:2668 103:31360 104:4622 105:488 106:863 107:2524 108:1032 109:4426 110:2086 111:3083 112:2024 113:1587 114:1638 115:2071 116:1899 117:2541 118:2368 119:2020 120:1765 121:1077 122:2592 123:2205 124:1564 125:2491 128:1393 129:1059 130:1024 131:1991 132:856 133:422 134:1902 135:304 136:880 137:1090 138:2575 139:1563 140:1245 141:1465 142:1442 143:1490 144:1164 145:347 146:1944 147:1578 148:2353 149:2196 150:846 151:1158 152:1815 153:569 154:4444 155:1439 156:1791 157:1308 158:1062 159:2309 160:2541 161:1537 162:3517 163:1570 164:1620 165:1733 166:1036 167:1746 168:3871 169:939 170:4591 171:858 172:3547 173:2933 174:1071 175:1184 176:3698 177:4598 178:3584 179:2153 180:2616 181:3434 182:3337 183:1968 184:2367 185:20173 186:4783 187:3971 188:4085 189:3582 190:9150 191:1443 192:10948 193:8873 194:7328 195:5136 196:3068 197:2350 198:5947 199:6100 200:8044 201:5868 202:10574 203:10272 204:4591 205:3650 206:4352 207:3453 208:4072 209:4854 210:4358 211:2440 212:4124 213:3588 214:1083 215:59 216:6642 217:2681 218:1316 219:470 220:2017 221:974 222:788 223:2151 End of report