IPv4 R&E Routing Table Report 21:10 GMT Wed 08 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: 917613 Prefixes after maximum aggregation (per Origin AS): 347751 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 445907 Number of IPv4 prefixes with a valid ROA: 380121 Number of IPv4 prefixes with an invalid ROA: 2869 Number of IPv4 prefixes with no ROA: 534623 Total ASes present in the Internet Routing Table: 74080 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 63635 Origin ASes announcing only one prefix: 26104 Transit ASes present in the Internet Routing Table: 10445 Transit-only ASes present in the Internet Routing Table: 435 Paths with bogon ASNs present in the IPv4 Routing Table: 62 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: 1157 Number of instances of unregistered ASNs: 1170 Number of 32-bit ASNs allocated by the RIRs: 41191 Number of 32-bit ASNs visible in the Routing Table: 34118 Prefixes from 32-bit ASNs in the Routing Table: 166965 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: 3061712128 Equivalent to 182 /8s, 126 /16s and 5 /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: 311494 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238365 Total APNIC prefixes after maximum aggregation: 68504 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233395 Unique aggregates announced from the APNIC address blocks: 97912 APNIC Region origin ASes present in the Internet Routing Table: 13258 APNIC Prefixes per ASN: 17.60 APNIC Region origin ASes announcing only one prefix: 3829 APNIC Region transit ASes present in the Internet Routing Table: 1787 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: 8548 Number of APNIC addresses announced to Internet: 773224192 Equivalent to 46 /8s, 22 /16s and 119 /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: 266982 Total ARIN prefixes after maximum aggregation: 121653 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 269008 Unique aggregates announced from the ARIN address blocks: 130026 ARIN Region origin ASes present in the Internet Routing Table: 19063 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6985 ARIN Region transit ASes present in the Internet Routing Table: 1937 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: 4737 Number of ARIN addresses announced to Internet: 1285536512 Equivalent to 76 /8s, 159 /16s and 187 /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: 264391 Total RIPE prefixes after maximum aggregation: 122566 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260965 Unique aggregates announced from the RIPE address blocks: 156406 RIPE Region origin ASes present in the Internet Routing Table: 28218 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 3916 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11001 Number of RIPE addresses announced to Internet: 718430720 Equivalent to 42 /8s, 210 /16s and 98 /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: 117470 Total LACNIC prefixes after maximum aggregation: 28419 LACNIC Deaggregation factor: 4.13 Prefixes being announced from the LACNIC address blocks: 116701 Unique aggregates announced from the LACNIC address blocks: 49053 LACNIC Region origin ASes present in the Internet Routing Table: 10987 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2655 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: 8764 Number of LACNIC addresses announced to Internet: 176099584 Equivalent to 10 /8s, 127 /16s and 17 /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: 5759 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36964 Unique aggregates announced from the AfriNIC address blocks: 12051 AfriNIC Region origin ASes present in the Internet Routing Table: 1719 AfriNIC Prefixes per ASN: 21.50 AfriNIC Region origin ASes announcing only one prefix: 600 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1068 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 5863 787 704 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3528 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3405 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3347 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2751 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 842 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11250 587 KIXS-AS-KR Korea Telecom, KR 4538 2259 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 7853 10716 2932 AMAZON-02, US 11492 4534 300 598 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3659 3080 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3323 1680 2429 AKAMAI-AS, US 749 3038 50571 2305 DNIC-AS-00749, US 7018 2591 24126 1573 ATT-INTERNET4, US 396982 2591 3497 365 GOOGLE-CLOUD-PLATFORM, US 30036 2554 366 391 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 6988 1705 148 UNI2-AS, ES 9121 6141 1692 17 TTNET, TR 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4039 3399 170 AKAMAI-ASN1, NL 8551 3894 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2920 2290 908 ROSTELECOM-AS, RU 9009 2700 257 1379 M247, RO 47331 2427 359 1833 TTNET, TR 34984 2258 359 607 TELLCOM-AS, TR 6849 2183 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 11097 3346 589 Uninet S.A. de C.V., MX 10620 3479 508 859 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2244 373 604 Mega Cable, S.A. de C.V., MX 28573 1353 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1290 742 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1099 180 454 Techtel LMDS Comunicaciones Interactiva 26615 1018 2466 43 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 1539 533 30 RAYA-AS, EG 24863 1479 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 845 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 509 52 41 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 492 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 11097 3346 589 Uninet S.A. de C.V., MX 9808 9447 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 7853 10716 2932 AMAZON-02, US 12479 6988 1705 148 UNI2-AS, ES 9121 6141 1692 17 TTNET, TR 7545 5863 787 704 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4534 300 598 CABLEONE, US 20940 4039 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 9447 9399 CHINAMOBILE-CN China Mobile Communications Grou 12479 6988 6840 UNI2-AS, ES 9121 6141 6124 TTNET, TR 7545 5863 5159 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7853 4921 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4534 3936 CABLEONE, US 20940 4039 3869 AKAMAI-ASN1, NL 7155 3899 3866 VIASAT-SP-BACKBONE, US 8551 3894 3857 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 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, 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 /13:580 /14:1198 /15:2075 /16:13484 /17:8282 /18:13849 /19:25003 /20:43687 /21:52021 /22:109904 /23:98133 /24:548926 /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 6053 6988 UNI2-AS, ES 9121 5297 6141 TTNET, TR 8151 5104 11097 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3449 4534 CABLEONE, US 8551 3366 3894 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2709 3659 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2211 2554 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 2:1238 3:168 4:5 5:4251 6:113 7:5 8:1531 9:1 11:172 12:1585 13:375 14:2340 15:290 16:79 17:365 18:393 20:244 21:4 22:188 23:6066 24:2517 25:4 27:2709 29:19 31:2506 32:106 34:8 35:106 36:1892 37:4573 38:4103 39:839 40:154 41:4037 42:1063 43:2332 44:303 45:16429 46:4141 47:381 49:1736 50:1835 51:383 52:1555 54:393 55:860 56:8 57:83 58:1751 59:1174 60:996 61:2422 62:2629 63:1931 64:5671 65:2310 66:4932 67:3041 68:1349 69:4145 70:1252 71:669 72:2971 74:2595 75:1457 76:602 77:2394 78:3867 79:3181 80:2081 81:1849 82:1489 83:1243 84:1528 85:3716 86:753 87:1958 88:2830 89:3564 90:595 91:7655 92:2012 93:2602 94:3540 95:4857 96:1331 97:347 98:1159 99:741 100:76 101:1070 102:2579 103:31042 104:4588 105:485 106:846 107:2522 108:914 109:4385 110:2083 111:3290 112:2017 113:1498 114:1602 115:2079 116:1847 117:2549 118:2294 119:1915 120:1736 121:1085 122:2598 123:2176 124:1549 125:2355 128:1323 129:1061 130:985 131:2002 132:843 133:405 134:1914 135:297 136:864 137:1072 138:2566 139:1555 140:1186 141:1480 142:1425 143:1509 144:1197 145:349 146:1895 147:1561 148:2297 149:1900 150:875 151:1144 152:1945 153:560 154:3913 155:1409 156:1673 157:1299 158:1004 159:2273 160:2543 161:1429 162:3537 163:1501 164:1616 165:1677 166:842 167:1745 168:3865 169:925 170:4555 171:868 172:3523 173:2953 174:1023 175:1171 176:3706 177:4566 178:3574 179:2148 180:2421 181:3403 182:3240 183:1936 184:2345 185:20022 186:4654 187:3907 188:4093 189:3474 190:9102 191:1448 192:10958 193:8821 194:7241 195:5140 196:3054 197:2429 198:5954 199:6093 200:7754 201:5881 202:10560 203:10232 204:4597 205:3516 206:3868 207:3417 208:4082 209:4813 210:4368 211:2424 212:4100 213:3568 214:1094 215:56 216:6597 217:2658 218:1296 219:463 220:2024 221:973 222:740 223:2074 End of report