IPv4 R&E Routing Table Report 21:10 GMT Thu 16 Mar, 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: 913196 Prefixes after maximum aggregation (per Origin AS): 346927 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 446815 Number of IPv4 prefixes with a valid ROA: 378761 Number of IPv4 prefixes with an invalid ROA: 2534 Number of IPv4 prefixes with no ROA: 531901 Total ASes present in the Internet Routing Table: 74216 Prefixes per ASN: 12.30 Origin-only ASes present in the Internet Routing Table: 63777 Origin ASes announcing only one prefix: 26119 Transit ASes present in the Internet Routing Table: 10439 Transit-only ASes present in the Internet Routing Table: 456 Paths with bogon ASNs present in the IPv4 Routing Table: 90 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1124 Number of instances of unregistered ASNs: 1142 Number of 32-bit ASNs allocated by the RIRs: 41465 Number of 32-bit ASNs visible in the Routing Table: 34322 Prefixes from 32-bit ASNs in the Routing Table: 168512 Number of bogon 32-bit ASNs visible in the Routing Table: 101 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 519 Number of addresses announced to Internet: 3063087616 Equivalent to 182 /8s, 147 /16s and 2 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 305743 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239198 Total APNIC prefixes after maximum aggregation: 68580 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233785 Unique aggregates announced from the APNIC address blocks: 97772 APNIC Region origin ASes present in the Internet Routing Table: 13337 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3890 APNIC Region transit ASes present in the Internet Routing Table: 1795 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8636 Number of APNIC addresses announced to Internet: 773403392 Equivalent to 46 /8s, 25 /16s and 51 /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: 268011 Total ARIN prefixes after maximum aggregation: 121891 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270106 Unique aggregates announced from the ARIN address blocks: 130210 ARIN Region origin ASes present in the Internet Routing Table: 19063 ARIN Prefixes per ASN: 14.17 ARIN Region origin ASes announcing only one prefix: 6975 ARIN Region transit ASes present in the Internet Routing Table: 1932 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: 4754 Number of ARIN addresses announced to Internet: 1286124544 Equivalent to 76 /8s, 168 /16s and 180 /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: 257867 Total RIPE prefixes after maximum aggregation: 121484 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254316 Unique aggregates announced from the RIPE address blocks: 157160 RIPE Region origin ASes present in the Internet Routing Table: 28266 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12010 RIPE Region transit ASes present in the Internet Routing Table: 3893 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11085 Number of RIPE addresses announced to Internet: 718404608 Equivalent to 42 /8s, 209 /16s and 252 /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: 117630 Total LACNIC prefixes after maximum aggregation: 28389 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 117022 Unique aggregates announced from the LACNIC address blocks: 49023 LACNIC Region origin ASes present in the Internet Routing Table: 10967 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2275 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: 8775 Number of LACNIC addresses announced to Internet: 176642304 Equivalent to 10 /8s, 135 /16s and 89 /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: 29366 Total AfriNIC prefixes after maximum aggregation: 5787 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 37447 Unique aggregates announced from the AfriNIC address blocks: 12236 AfriNIC Region origin ASes present in the Internet Routing Table: 1725 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 594 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: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1072 Number of AfriNIC addresses announced to Internet: 108123648 Equivalent to 6 /8s, 113 /16s and 214 /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 9475 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5763 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3544 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3461 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3349 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2854 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2361 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11250 586 KIXS-AS-KR Korea Telecom, KR 4538 2191 4192 73 ERX-CERNET-BKB China Education and Rese 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 8087 10759 2869 AMAZON-02, US 11492 4527 300 624 CABLEONE, US 7155 3966 279 45 VIASAT-SP-BACKBONE, US 22773 3654 3081 300 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3506 1320 64 SHAW, CA 16625 3163 1590 2338 AKAMAI-AS, US 749 3037 50520 2304 DNIC-AS-00749, US 396982 2622 3587 355 GOOGLE-CLOUD-PLATFORM, US 7018 2555 24118 1562 ATT-INTERNET4, US 30036 2505 361 493 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 7067 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4049 3399 166 AKAMAI-ASN1, NL 8551 3888 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2931 2292 912 ROSTELECOM-AS, RU 9009 2645 251 1386 M247, RO 34984 2267 359 609 TELLCOM-AS, TR 6849 2164 339 19 UKRTELNET, UA 58224 1848 949 545 TCI, IR 13188 1607 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 11092 3339 585 Uninet S.A. de C.V., MX 10620 3470 504 879 Telmex Colombia S.A., CO 13999 2290 373 610 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1366 2324 245 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 763 161 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1099 180 455 Techtel LMDS Comunicaciones Interactiva 26615 1030 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 1573 393 19 LINKdotNET-AS, EG 24835 1542 533 30 RAYA-AS, EG 36992 1343 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1017 67 53 ORANGE-COTE-IVOIRE, CI 36935 868 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 508 52 41 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 493 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 11092 3339 585 Uninet S.A. de C.V., MX 9808 9475 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8087 10759 2869 AMAZON-02, US 12479 7067 1705 149 UNI2-AS, ES 7545 5763 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4527 300 624 CABLEONE, US 20940 4049 3399 166 AKAMAI-ASN1, NL 7155 3966 279 45 VIASAT-SP-BACKBONE, US 8551 3888 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9475 9427 CHINAMOBILE-CN China Mobile Communications Grou 12479 7067 6918 UNI2-AS, ES 16509 8087 5218 AMAZON-02, US 7545 5763 5072 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3966 3921 VIASAT-SP-BACKBONE, US 11492 4527 3903 CABLEONE, US 20940 4049 3883 AKAMAI-ASN1, NL 8551 3888 3851 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3544 3479 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 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, 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 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 23.131.185.0/24 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: 6461 ZAYO-6461, 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 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /9:13 /10:39 /11:103 /12:299 /13:579 /14:1199 /15:2078 /16:13485 /17:8255 /18:13796 /19:25048 /20:43621 /21:51319 /22:109343 /23:97434 /24:546568 /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 6125 7067 UNI2-AS, ES 8151 5107 11092 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3435 4527 CABLEONE, US 8551 3360 3888 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3314 3506 SHAW, CA 7155 3041 3966 VIASAT-SP-BACKBONE, US 22773 2700 3654 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2163 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2024 3470 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) ---------------------------------------------- 1:1665 2:1234 3:168 4:5 5:4418 6:118 7:6 8:1530 9:1 11:172 12:1577 13:394 14:2315 15:296 16:111 17:367 18:398 20:249 21:4 22:188 23:6123 24:2525 25:6 27:2568 29:19 31:2507 32:101 34:8 35:106 36:1910 37:4625 38:4354 39:807 40:150 41:4002 42:961 43:2323 44:309 45:16461 46:4230 47:377 49:1731 50:1835 51:570 52:1588 54:389 55:868 56:8 57:94 58:1756 59:1136 60:976 61:2432 62:2626 63:1932 64:5679 65:2314 66:4933 67:3052 68:1365 69:4125 70:1268 71:671 72:2972 74:2598 75:1460 76:607 77:2428 78:1854 79:3167 80:2072 81:1738 82:1507 83:1229 84:1527 85:2996 86:746 87:1954 88:1246 89:3612 90:612 91:7664 92:2020 93:2564 94:3555 95:3973 96:1327 97:331 98:1165 99:748 100:78 101:1068 102:2679 103:31158 104:4608 105:466 106:825 107:2555 108:978 109:4394 110:2066 111:3204 112:2058 113:1509 114:1618 115:2083 116:1885 117:2563 118:2283 119:1977 120:1744 121:1081 122:2600 123:2171 124:1565 125:2461 128:1327 129:1068 130:1008 131:2021 132:841 133:421 134:1903 135:301 136:867 137:1077 138:2567 139:1525 140:1208 141:1472 142:1434 143:1509 144:1167 145:356 146:1935 147:1567 148:2320 149:1956 150:879 151:1148 152:1849 153:567 154:4277 155:1421 156:1697 157:1280 158:1051 159:2271 160:2535 161:1478 162:3557 163:1551 164:1599 165:1706 166:854 167:1737 168:3874 169:934 170:4618 171:871 172:3507 173:2920 174:1019 175:1173 176:3675 177:4650 178:3636 179:2181 180:2449 181:3414 182:3313 183:1934 184:2344 185:20142 186:4694 187:3995 188:4065 189:3584 190:9128 191:1484 192:10973 193:8832 194:7249 195:5128 196:3095 197:2383 198:5950 199:6117 200:7851 201:5872 202:10604 203:10234 204:4622 205:3548 206:3908 207:3454 208:4084 209:4864 210:4367 211:2427 212:4092 213:3543 214:1097 215:58 216:6608 217:2659 218:1306 219:470 220:2013 221:977 222:752 223:2135 End of report