IPv4 R&E Routing Table Report 21:10 GMT Mon 13 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: 918185 Prefixes after maximum aggregation (per Origin AS): 348067 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 446293 Number of IPv4 prefixes with a valid ROA: 381448 Number of IPv4 prefixes with an invalid ROA: 2877 Number of IPv4 prefixes with no ROA: 533860 Total ASes present in the Internet Routing Table: 74076 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 63633 Origin ASes announcing only one prefix: 26084 Transit ASes present in the Internet Routing Table: 10443 Transit-only ASes present in the Internet Routing Table: 434 Paths with bogon ASNs present in the IPv4 Routing Table: 63 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: 1043 Number of instances of unregistered ASNs: 1056 Number of 32-bit ASNs allocated by the RIRs: 41187 Number of 32-bit ASNs visible in the Routing Table: 34130 Prefixes from 32-bit ASNs in the Routing Table: 167094 Number of bogon 32-bit ASNs visible in the Routing Table: 59 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 545 Number of addresses announced to Internet: 3062064128 Equivalent to 182 /8s, 131 /16s and 100 /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: 311891 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238343 Total APNIC prefixes after maximum aggregation: 68558 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233289 Unique aggregates announced from the APNIC address blocks: 97916 APNIC Region origin ASes present in the Internet Routing Table: 13265 APNIC Prefixes per ASN: 17.59 APNIC Region origin ASes announcing only one prefix: 3826 APNIC Region transit ASes present in the Internet Routing Table: 1792 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8557 Number of APNIC addresses announced to Internet: 773276160 Equivalent to 46 /8s, 23 /16s and 66 /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: 267520 Total ARIN prefixes after maximum aggregation: 121865 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269545 Unique aggregates announced from the ARIN address blocks: 130305 ARIN Region origin ASes present in the Internet Routing Table: 19070 ARIN Prefixes per ASN: 14.13 ARIN Region origin ASes announcing only one prefix: 6992 ARIN Region transit ASes present in the Internet Routing Table: 1946 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: 4739 Number of ARIN addresses announced to Internet: 1285550336 Equivalent to 76 /8s, 159 /16s and 241 /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: 264683 Total RIPE prefixes after maximum aggregation: 122697 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 261208 Unique aggregates announced from the RIPE address blocks: 156474 RIPE Region origin ASes present in the Internet Routing Table: 28218 RIPE Prefixes per ASN: 9.26 RIPE Region origin ASes announcing only one prefix: 12012 RIPE Region transit ASes present in the Internet Routing Table: 3908 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11005 Number of RIPE addresses announced to Internet: 718438400 Equivalent to 42 /8s, 210 /16s and 128 /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: 117233 Total LACNIC prefixes after maximum aggregation: 28430 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 116455 Unique aggregates announced from the LACNIC address blocks: 49095 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2267 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8765 Number of LACNIC addresses announced to Internet: 176411648 Equivalent to 10 /8s, 131 /16s and 212 /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: 29363 Total AfriNIC prefixes after maximum aggregation: 5750 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 37142 Unique aggregates announced from the AfriNIC address blocks: 12073 AfriNIC Region origin ASes present in the Internet Routing Table: 1718 AfriNIC Prefixes per ASN: 21.62 AfriNIC Region origin ASes announcing only one prefix: 601 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 1064 Number of AfriNIC addresses announced to Internet: 108058880 Equivalent to 6 /8s, 112 /16s and 217 /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 9446 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5847 788 708 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3534 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3407 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3349 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2759 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2355 836 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11250 587 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 7938 10731 2856 AMAZON-02, US 11492 4535 300 599 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3658 3080 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3323 1678 2425 AKAMAI-AS, US 749 3039 50571 2306 DNIC-AS-00749, US 396982 2604 3583 352 GOOGLE-CLOUD-PLATFORM, US 7018 2595 24127 1577 ATT-INTERNET4, US 30036 2538 364 431 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 7013 1706 146 UNI2-AS, ES 9121 6133 1692 17 TTNET, TR 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4037 3399 170 AKAMAI-ASN1, NL 8551 3891 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2926 2292 910 ROSTELECOM-AS, RU 9009 2677 255 1381 M247, RO 47331 2419 357 1821 TTNET, TR 34984 2266 359 609 TELLCOM-AS, TR 6849 2249 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 11053 3347 589 Uninet S.A. de C.V., MX 10620 3476 507 862 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2245 375 606 Mega Cable, S.A. de C.V., MX 28573 1351 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 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 1100 180 455 Techtel LMDS Comunicaciones Interactiva 26615 1020 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 1540 533 30 RAYA-AS, EG 24863 1506 393 21 LINKdotNET-AS, EG 36992 1348 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 998 67 53 ORANGE-COTE-IVOIRE, CI 36935 886 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 508 52 40 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 494 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 11053 3347 589 Uninet S.A. de C.V., MX 9808 9446 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 7938 10731 2856 AMAZON-02, US 12479 7013 1706 146 UNI2-AS, ES 9121 6133 1692 17 TTNET, TR 7545 5847 788 708 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4535 300 599 CABLEONE, US 20940 4037 3399 170 AKAMAI-ASN1, NL 7155 3899 265 33 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 9446 9398 CHINAMOBILE-CN China Mobile Communications Grou 12479 7013 6867 UNI2-AS, ES 9121 6133 6116 TTNET, TR 7545 5847 5139 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7938 5082 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4535 3936 CABLEONE, US 20940 4037 3867 AKAMAI-ASN1, NL 7155 3899 3866 VIASAT-SP-BACKBONE, US 8551 3891 3854 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 3356 LEVEL3, 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 /15:2076 /16:13490 /17:8291 /18:13849 /19:25029 /20:43674 /21:52010 /22:109986 /23:98165 /24:549363 /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 6074 7013 UNI2-AS, ES 9121 5289 6133 TTNET, TR 8151 5093 11053 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3450 4535 CABLEONE, US 8551 3363 3891 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2708 3658 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2196 2538 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1631 2:1239 3:168 4:5 5:4326 6:114 7:5 8:1528 9:1 11:172 12:1587 13:393 14:2336 15:290 16:79 17:365 18:397 20:245 21:4 22:188 23:6073 24:2529 25:4 27:2587 29:19 31:2510 32:105 34:8 35:106 36:1895 37:4589 38:4153 39:838 40:154 41:4035 42:1064 43:2336 44:302 45:16380 46:4154 47:380 49:1734 50:1832 51:383 52:1568 54:397 55:853 56:8 57:84 58:1751 59:1177 60:991 61:2421 62:2638 63:1933 64:5684 65:2321 66:4934 67:3042 68:1349 69:4146 70:1253 71:668 72:2989 74:2601 75:1457 76:603 77:2389 78:3865 79:3179 80:2082 81:1852 82:1491 83:1239 84:1529 85:3729 86:757 87:1964 88:2832 89:3610 90:597 91:7663 92:2012 93:2599 94:3547 95:4868 96:1333 97:347 98:1159 99:744 100:76 101:1069 102:2597 103:31053 104:4516 105:485 106:844 107:2521 108:915 109:4402 110:2075 111:3290 112:2042 113:1502 114:1604 115:2077 116:1848 117:2547 118:2289 119:1936 120:1735 121:1085 122:2600 123:2174 124:1548 125:2357 128:1337 129:1065 130:988 131:1993 132:839 133:406 134:1911 135:315 136:864 137:1073 138:2575 139:1553 140:1186 141:1477 142:1424 143:1474 144:1208 145:349 146:1901 147:1559 148:2290 149:1896 150:874 151:1141 152:1953 153:560 154:3921 155:1416 156:1684 157:1299 158:1008 159:2268 160:2540 161:1422 162:3538 163:1536 164:1571 165:1683 166:842 167:1742 168:3858 169:924 170:4567 171:868 172:3521 173:2962 174:1025 175:1170 176:3715 177:4542 178:3575 179:2146 180:2428 181:3406 182:3245 183:1928 184:2342 185:20032 186:4666 187:3949 188:4111 189:3499 190:9089 191:1448 192:10963 193:8825 194:7246 195:5143 196:3062 197:2414 198:5959 199:6113 200:7739 201:5887 202:10571 203:10216 204:4609 205:3516 206:3872 207:3452 208:4084 209:4851 210:4373 211:2424 212:4110 213:3566 214:1097 215:55 216:6603 217:2643 218:1295 219:463 220:2021 221:973 222:739 223:2097 End of report