IPv4 R&E Routing Table Report 21:10 GMT Fri 28 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: 918143 Prefixes after maximum aggregation (per Origin AS): 348279 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 449078 Number of IPv4 prefixes with a valid ROA: 395257 Number of IPv4 prefixes with an invalid ROA: 2825 Number of IPv4 prefixes with no ROA: 520061 Total ASes present in the Internet Routing Table: 74329 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63846 Origin ASes announcing only one prefix: 26164 Transit ASes present in the Internet Routing Table: 10483 Transit-only ASes present in the Internet Routing Table: 438 Paths with bogon ASNs present in the IPv4 Routing Table: 54 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: 1107 Number of instances of unregistered ASNs: 1110 Number of 32-bit ASNs allocated by the RIRs: 41755 Number of 32-bit ASNs visible in the Routing Table: 34489 Prefixes from 32-bit ASNs in the Routing Table: 170866 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 638 Number of addresses announced to Internet: 3059352576 Equivalent to 182 /8s, 90 /16s and 4 /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: 306486 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241360 Total APNIC prefixes after maximum aggregation: 68752 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 235602 Unique aggregates announced from the APNIC address blocks: 97884 APNIC Region origin ASes present in the Internet Routing Table: 13371 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3915 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: 8695 Number of APNIC addresses announced to Internet: 772999680 Equivalent to 46 /8s, 19 /16s and 10 /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: 269027 Total ARIN prefixes after maximum aggregation: 122162 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271674 Unique aggregates announced from the ARIN address blocks: 130993 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1941 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: 1283393280 Equivalent to 76 /8s, 127 /16s and 7 /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: 259451 Total RIPE prefixes after maximum aggregation: 122282 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255399 Unique aggregates announced from the RIPE address blocks: 158049 RIPE Region origin ASes present in the Internet Routing Table: 28315 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12043 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: 11152 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: 117997 Total LACNIC prefixes after maximum aggregation: 28486 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 117265 Unique aggregates announced from the LACNIC address blocks: 49314 LACNIC Region origin ASes present in the Internet Routing Table: 10989 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2297 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: 8775 Number of LACNIC addresses announced to Internet: 176709120 Equivalent to 10 /8s, 136 /16s and 94 /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: 29201 Total AfriNIC prefixes after maximum aggregation: 5803 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 37564 Unique aggregates announced from the AfriNIC address blocks: 12310 AfriNIC Region origin ASes present in the Internet Routing Table: 1735 AfriNIC Prefixes per ASN: 21.65 AfriNIC Region origin ASes announcing only one prefix: 609 AfriNIC Region transit ASes present in the Internet Routing Table: 330 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: 1083 Number of AfriNIC addresses announced to Internet: 107830784 Equivalent to 6 /8s, 109 /16s and 94 /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 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5730 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4041 1872 41 VNPT-AS-VN VNPT Corp, VN 7713 3561 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3227 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2942 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 2289 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 8237 10773 2930 AMAZON-02, US 11492 4545 301 593 CABLEONE, US 7155 3976 281 51 VIASAT-SP-BACKBONE, US 22773 3590 3073 284 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3160 1575 2353 AKAMAI-AS, US 749 3071 53111 2323 DNIC-AS-00749, US 396982 2635 3590 366 GOOGLE-CLOUD-PLATFORM, US 7018 2518 24151 1580 ATT-INTERNET4, US 30036 2501 361 449 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 7271 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4083 3399 166 AKAMAI-ASN1, NL 8551 3889 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2928 2292 909 ROSTELECOM-AS, RU 9009 2677 250 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 11253 3343 591 Uninet S.A. de C.V., MX 10620 3467 503 921 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 551 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 11253 3343 591 Uninet S.A. de C.V., MX 9808 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8237 10773 2930 AMAZON-02, US 12479 7271 1706 140 UNI2-AS, ES 7545 5730 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4545 301 593 CABLEONE, US 20940 4083 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 9477 9440 CHINAMOBILE-CN China Mobile Communications Grou 12479 7271 7131 UNI2-AS, ES 16509 8237 5307 AMAZON-02, US 7545 5730 5037 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 7155 3976 3925 VIASAT-SP-BACKBONE, US 20940 4083 3917 AKAMAI-ASN1, NL 8551 3889 3852 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 /15:2080 /16:13449 /17:8206 /18:14236 /19:25057 /20:43741 /21:51122 /22:109394 /23:97700 /24:550916 /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 6331 7271 UNI2-AS, ES 8151 5200 11253 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3454 4545 CABLEONE, US 8551 3361 3889 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3324 3514 SHAW, CA 7155 3043 3976 VIASAT-SP-BACKBONE, US 22773 2655 3590 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2026 3467 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) ---------------------------------------------- 1:1783 2:1289 3:175 4:5 5:4514 6:128 7:6 8:1524 9:1 11:172 12:1533 13:380 14:2331 15:299 16:182 17:370 18:417 20:256 21:4 22:188 23:6243 24:2584 25:6 27:2539 29:19 31:2492 32:78 34:12 35:108 36:1937 37:4661 38:4455 39:822 40:151 41:3930 42:1227 43:2339 44:307 45:16563 46:4270 47:362 49:1732 50:1834 51:573 52:1593 54:390 55:859 56:8 57:117 58:1787 59:1150 60:993 61:2448 62:2647 63:1922 64:5682 65:2326 66:5000 67:3037 68:1353 69:4132 70:1235 71:679 72:2984 74:2609 75:1449 76:612 77:2440 78:1815 79:3172 80:2108 81:1760 82:1487 83:1278 84:1532 85:2984 86:764 87:2013 88:1169 89:3675 90:613 91:7737 92:2063 93:2621 94:3605 95:4012 96:1320 97:335 98:1153 99:746 100:74 101:1076 102:2659 103:31360 104:4624 105:488 106:866 107:2524 108:1029 109:4423 110:2088 111:3085 112:2032 113:1594 114:1637 115:2071 116:1899 117:2541 118:2379 119:2019 120:1765 121:1078 122:2593 123:2205 124:1563 125:2492 128:1393 129:1056 130:1023 131:2006 132:858 133:422 134:1903 135:304 136:880 137:1089 138:2570 139:1563 140:1250 141:1467 142:1443 143:1501 144:1165 145:348 146:1946 147:1576 148:2355 149:2203 150:882 151:1160 152:1817 153:569 154:4449 155:1436 156:1792 157:1307 158:1064 159:2310 160:2545 161:1538 162:3519 163:1567 164:1616 165:1734 166:1038 167:1748 168:3854 169:943 170:4584 171:858 172:3550 173:2935 174:1069 175:1186 176:3693 177:4613 178:3591 179:2156 180:2619 181:3425 182:3339 183:1976 184:2369 185:20177 186:4771 187:3966 188:4087 189:3564 190:9148 191:1436 192:10947 193:8874 194:7332 195:5143 196:3070 197:2357 198:5946 199:6107 200:8036 201:5878 202:10581 203:10274 204:4582 205:3671 206:4355 207:3454 208:4070 209:4849 210:4353 211:2438 212:4133 213:3587 214:1088 215:59 216:6642 217:2681 218:1311 219:470 220:2015 221:974 222:788 223:2151 End of report