IPv4 R&E Routing Table Report 21:10 GMT Sat 18 Feb, 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: 918207 Prefixes after maximum aggregation (per Origin AS): 348132 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 446154 Number of IPv4 prefixes with a valid ROA: 382014 Number of IPv4 prefixes with an invalid ROA: 2506 Number of IPv4 prefixes with no ROA: 533687 Total ASes present in the Internet Routing Table: 74107 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 63675 Origin ASes announcing only one prefix: 26085 Transit ASes present in the Internet Routing Table: 10432 Transit-only ASes present in the Internet Routing Table: 442 Paths with bogon ASNs present in the IPv4 Routing Table: 64 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: 1079 Number of instances of unregistered ASNs: 1093 Number of 32-bit ASNs allocated by the RIRs: 41215 Number of 32-bit ASNs visible in the Routing Table: 34160 Prefixes from 32-bit ASNs in the Routing Table: 167381 Number of bogon 32-bit ASNs visible in the Routing Table: 60 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 579 Number of addresses announced to Internet: 3062216192 Equivalent to 182 /8s, 133 /16s and 182 /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: 311954 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238390 Total APNIC prefixes after maximum aggregation: 68586 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233330 Unique aggregates announced from the APNIC address blocks: 97840 APNIC Region origin ASes present in the Internet Routing Table: 13282 APNIC Prefixes per ASN: 17.57 APNIC Region origin ASes announcing only one prefix: 3853 APNIC Region transit ASes present in the Internet Routing Table: 1790 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8573 Number of APNIC addresses announced to Internet: 773223168 Equivalent to 46 /8s, 22 /16s and 115 /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: 267420 Total ARIN prefixes after maximum aggregation: 121732 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269402 Unique aggregates announced from the ARIN address blocks: 130220 ARIN Region origin ASes present in the Internet Routing Table: 19060 ARIN Prefixes per ASN: 14.13 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1935 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4734 Number of ARIN addresses announced to Internet: 1285666816 Equivalent to 76 /8s, 161 /16s and 184 /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: 264840 Total RIPE prefixes after maximum aggregation: 122852 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 261357 Unique aggregates announced from the RIPE address blocks: 156645 RIPE Region origin ASes present in the Internet Routing Table: 28230 RIPE Prefixes per ASN: 9.26 RIPE Region origin ASes announcing only one prefix: 12026 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11018 Number of RIPE addresses announced to Internet: 718497536 Equivalent to 42 /8s, 211 /16s and 103 /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: 117230 Total LACNIC prefixes after maximum aggregation: 28440 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 116488 Unique aggregates announced from the LACNIC address blocks: 48900 LACNIC Region origin ASes present in the Internet Routing Table: 10965 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2643 LACNIC Region transit ASes present in the Internet Routing Table: 2265 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: 8772 Number of LACNIC addresses announced to Internet: 176458240 Equivalent to 10 /8s, 132 /16s and 138 /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: 29248 Total AfriNIC prefixes after maximum aggregation: 5737 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37050 Unique aggregates announced from the AfriNIC address blocks: 12098 AfriNIC Region origin ASes present in the Internet Routing Table: 1718 AfriNIC Prefixes per ASN: 21.57 AfriNIC Region origin ASes announcing only one prefix: 593 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: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1063 Number of AfriNIC addresses announced to Internet: 108020480 Equivalent to 6 /8s, 112 /16s and 67 /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 9447 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5837 788 708 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3544 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3430 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3351 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2778 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2356 836 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2298 11250 586 KIXS-AS-KR Korea Telecom, KR 4538 2197 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 7955 10729 2876 AMAZON-02, US 11492 4535 300 597 CABLEONE, US 7155 3962 279 45 VIASAT-SP-BACKBONE, US 22773 3658 3080 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3311 1670 2417 AKAMAI-AS, US 749 3036 50571 2303 DNIC-AS-00749, US 396982 2605 3583 352 GOOGLE-CLOUD-PLATFORM, US 7018 2603 24143 1581 ATT-INTERNET4, US 30036 2555 366 365 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 7076 1706 146 UNI2-AS, ES 9121 5976 1692 17 TTNET, TR 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4036 3399 167 AKAMAI-ASN1, NL 8551 3893 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2927 2292 911 ROSTELECOM-AS, RU 9009 2665 254 1384 M247, RO 47331 2375 355 1786 TTNET, TR 34984 2265 359 609 TELLCOM-AS, TR 6849 2256 339 19 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 11072 3347 585 Uninet S.A. de C.V., MX 10620 3476 507 862 Telmex Colombia S.A., CO 11830 2259 369 64 Instituto Costarricense de Electricidad 13999 2255 374 604 Mega Cable, S.A. de C.V., MX 28573 1347 2328 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1297 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 746 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1099 180 453 Techtel LMDS Comunicaciones Interactiva 26615 1019 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 24835 1542 533 30 RAYA-AS, EG 24863 1492 393 19 LINKdotNET-AS, EG 36992 1348 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1000 67 53 ORANGE-COTE-IVOIRE, CI 36935 886 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 506 52 40 WANANCHI-, KE 24757 497 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 11072 3347 585 Uninet S.A. de C.V., MX 9808 9447 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 7955 10729 2876 AMAZON-02, US 12479 7076 1706 146 UNI2-AS, ES 9121 5976 1692 17 TTNET, TR 7545 5837 788 708 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4535 300 597 CABLEONE, US 20940 4036 3399 167 AKAMAI-ASN1, NL 7155 3962 279 45 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 9447 9399 CHINAMOBILE-CN China Mobile Communications Grou 12479 7076 6930 UNI2-AS, ES 9121 5976 5959 TTNET, TR 7545 5837 5129 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7955 5079 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4535 3938 CABLEONE, US 7155 3962 3917 VIASAT-SP-BACKBONE, US 20940 4036 3869 AKAMAI-ASN1, NL 8551 3893 3856 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, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, 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 1618 UNALLOCATED 8.21.143.0/24 136796 CL-JP-AS CORELINK JAPAN, JP 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 /13:580 /14:1201 /15:2075 /16:13477 /17:8271 /18:13808 /19:25029 /20:43671 /21:52019 /22:110084 /23:98102 /24:549419 /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 6136 7076 UNI2-AS, ES 9121 5135 5976 TTNET, TR 8151 5114 11072 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3451 4535 CABLEONE, US 8551 3365 3893 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 3037 3962 VIASAT-SP-BACKBONE, US 22773 2707 3658 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2212 2555 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1654 2:1244 3:168 4:5 5:4333 6:115 7:5 8:1526 9:1 11:172 12:1586 13:382 14:2334 15:293 16:103 17:365 18:396 20:249 21:4 22:188 23:6075 24:2530 25:4 27:2590 29:19 31:2496 32:107 34:9 35:106 36:1904 37:4640 38:4166 39:840 40:153 41:4033 42:1069 43:2322 44:301 45:16386 46:4201 47:382 49:1729 50:1833 51:383 52:1577 54:396 55:869 56:8 57:91 58:1752 59:1175 60:989 61:2429 62:2619 63:1932 64:5684 65:2318 66:4932 67:3044 68:1349 69:4151 70:1264 71:667 72:2989 74:2597 75:1458 76:601 77:2409 78:3814 79:3173 80:2081 81:1856 82:1494 83:1246 84:1527 85:3699 86:753 87:1972 88:2774 89:3619 90:609 91:7669 92:2011 93:2595 94:3527 95:4854 96:1335 97:346 98:1161 99:744 100:76 101:1065 102:2616 103:30992 104:4581 105:485 106:828 107:2527 108:918 109:4397 110:2078 111:3257 112:2041 113:1503 114:1606 115:2070 116:1850 117:2549 118:2296 119:1941 120:1735 121:1078 122:2603 123:2173 124:1549 125:2383 128:1341 129:1068 130:1002 131:1995 132:841 133:411 134:1911 135:294 136:863 137:1075 138:2568 139:1552 140:1185 141:1474 142:1425 143:1485 144:1212 145:349 146:1901 147:1562 148:2291 149:1903 150:874 151:1143 152:1817 153:560 154:3927 155:1418 156:1689 157:1299 158:1006 159:2268 160:2537 161:1458 162:3562 163:1546 164:1596 165:1690 166:855 167:1740 168:3839 169:924 170:4553 171:869 172:3508 173:2975 174:1032 175:1168 176:3736 177:4555 178:3579 179:2153 180:2427 181:3403 182:3249 183:1930 184:2342 185:20044 186:4659 187:3935 188:4124 189:3508 190:9125 191:1447 192:10947 193:8831 194:7252 195:5121 196:3053 197:2411 198:5949 199:6115 200:7743 201:5875 202:10551 203:10224 204:4610 205:3508 206:3855 207:3445 208:4084 209:4816 210:4378 211:2425 212:4126 213:3564 214:1079 215:55 216:6611 217:2641 218:1297 219:463 220:2019 221:976 222:740 223:2121 End of report