IPv4 R&E Routing Table Report 21:10 GMT Wed 21 Dec, 2022 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: 915039 Prefixes after maximum aggregation (per Origin AS): 346660 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 443781 Number of IPv4 prefixes with a valid ROA: 374021 Number of IPv4 prefixes with an invalid ROA: 2823 Number of IPv4 prefixes with no ROA: 538195 Total ASes present in the Internet Routing Table: 73927 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63520 Origin ASes announcing only one prefix: 26072 Transit ASes present in the Internet Routing Table: 10407 Transit-only ASes present in the Internet Routing Table: 427 Paths with bogon ASNs present in the IPv4 Routing Table: 58 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: 1022 Number of instances of unregistered ASNs: 1024 Number of 32-bit ASNs allocated by the RIRs: 40950 Number of 32-bit ASNs visible in the Routing Table: 33882 Prefixes from 32-bit ASNs in the Routing Table: 165495 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 516 Number of addresses announced to Internet: 3065064448 Equivalent to 182 /8s, 177 /16s and 44 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 310950 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237523 Total APNIC prefixes after maximum aggregation: 68130 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 232429 Unique aggregates announced from the APNIC address blocks: 97320 APNIC Region origin ASes present in the Internet Routing Table: 13160 APNIC Prefixes per ASN: 17.66 APNIC Region origin ASes announcing only one prefix: 3833 APNIC Region transit ASes present in the Internet Routing Table: 1779 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: 8427 Number of APNIC addresses announced to Internet: 773198336 Equivalent to 46 /8s, 22 /16s and 18 /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: 267292 Total ARIN prefixes after maximum aggregation: 121989 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 268743 Unique aggregates announced from the ARIN address blocks: 129472 ARIN Region origin ASes present in the Internet Routing Table: 19053 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1927 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4701 Number of ARIN addresses announced to Internet: 1288018688 Equivalent to 76 /8s, 197 /16s and 155 /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: 263034 Total RIPE prefixes after maximum aggregation: 121791 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 259992 Unique aggregates announced from the RIPE address blocks: 155637 RIPE Region origin ASes present in the Internet Routing Table: 28165 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 12002 RIPE Region transit ASes present in the Internet Routing Table: 3909 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10927 Number of RIPE addresses announced to Internet: 719354624 Equivalent to 42 /8s, 224 /16s and 123 /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: 117591 Total LACNIC prefixes after maximum aggregation: 28297 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116913 Unique aggregates announced from the LACNIC address blocks: 48915 LACNIC Region origin ASes present in the Internet Routing Table: 11008 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2271 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: 8773 Number of LACNIC addresses announced to Internet: 176035072 Equivalent to 10 /8s, 126 /16s and 21 /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: 28577 Total AfriNIC prefixes after maximum aggregation: 5682 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 36445 Unique aggregates announced from the AfriNIC address blocks: 12015 AfriNIC Region origin ASes present in the Internet Routing Table: 1715 AfriNIC Prefixes per ASN: 21.25 AfriNIC Region origin ASes announcing only one prefix: 598 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: 1054 Number of AfriNIC addresses announced to Internet: 108129792 Equivalent to 6 /8s, 113 /16s and 238 /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 9158 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5929 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3354 1867 87 VNPT-AS-VN VNPT Corp, VN 9498 2677 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2349 849 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2285 11250 590 KIXS-AS-KR Korea Telecom, KR 4538 2263 4192 73 ERX-CERNET-BKB China Education and Rese 45090 2180 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 7736 10633 2920 AMAZON-02, US 11492 4546 301 565 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3696 3065 323 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3475 1802 2513 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2602 24130 1577 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2562 368 391 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 6958 1706 146 UNI2-AS, ES 9121 6285 1692 17 TTNET, TR 39891 4488 264 57 ALJAWWALSTC-AS, SA 20940 4060 3400 179 AKAMAI-ASN1, NL 8551 3699 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2914 2290 906 ROSTELECOM-AS, RU 9009 2656 253 1361 M247, RO 47331 2576 374 1950 TTNET, TR 34984 2255 358 611 TELLCOM-AS, TR 6849 2221 339 20 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 10922 3340 590 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2186 357 581 Mega Cable, S.A. de C.V., MX 28573 1341 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1153 370 22 Telefonica del Peru S.A.A., PE 11664 1141 186 461 Techtel LMDS Comunicaciones Interactiva 26615 991 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 24863 1515 393 21 LINKdotNET-AS, EG 24835 1508 511 28 RAYA-AS, EG 36992 1321 1518 274 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1012 67 40 ORANGE-COTE-IVOIRE, CI 36935 705 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 359 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 10922 3340 590 Uninet S.A. de C.V., MX 9808 9158 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7736 10633 2920 AMAZON-02, US 12479 6958 1706 146 UNI2-AS, ES 9121 6285 1692 17 TTNET, TR 7545 5929 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4546 301 565 CABLEONE, US 39891 4488 264 57 ALJAWWALSTC-AS, SA 20940 4060 3400 179 AKAMAI-ASN1, NL 7155 3894 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 9158 9111 CHINAMOBILE-CN China Mobile Communications Grou 12479 6958 6812 UNI2-AS, ES 9121 6285 6268 TTNET, TR 7545 5929 5237 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7736 4816 AMAZON-02, US 39891 4488 4431 ALJAWWALSTC-AS, SA 11492 4546 3981 CABLEONE, US 20940 4060 3881 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3699 3661 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 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 100.88.0.0/17 264275 ROLIM NET TECNOLOGIA LTDA, BR 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, 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: 46450 PILOT, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6461 ZAYO-6461, US 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 /11:101 /12:300 /13:587 /14:1198 /15:2076 /16:13499 /17:8298 /18:13881 /19:25028 /20:43592 /21:52104 /22:109793 /23:97936 /24:546577 /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 6004 6958 UNI2-AS, ES 9121 5431 6285 TTNET, TR 8151 4909 10922 Uninet S.A. de C.V., MX 39891 3543 4488 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3164 3699 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2727 3696 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2240 2576 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1624 2:1228 3:168 4:5 5:4110 6:110 7:5 8:1548 9:1 11:172 12:1610 13:368 14:2361 15:285 16:76 17:372 18:407 20:243 21:4 22:188 23:6017 24:2467 25:4 27:2783 29:19 31:2493 32:102 34:8 35:95 36:1815 37:4590 38:3934 39:820 40:144 41:3927 42:1051 43:2320 44:305 45:16465 46:4219 47:380 49:1707 50:1933 51:374 52:1543 54:396 55:708 56:8 57:85 58:1757 59:1169 60:1009 61:2422 62:2603 63:1946 64:5671 65:2326 66:4926 67:3033 68:1361 69:4139 70:1257 71:674 72:2885 74:2598 75:1465 76:596 77:2342 78:3942 79:2941 80:2065 81:1826 82:1489 83:1239 84:1512 85:3749 86:744 87:1922 88:2839 89:3512 90:589 91:7618 92:1985 93:2571 94:3525 95:4848 96:1316 97:344 98:1173 99:739 100:77 101:1059 102:2531 103:30762 104:4620 105:482 106:849 107:2542 108:916 109:4330 110:2045 111:3259 112:2026 113:1511 114:1597 115:2093 116:1849 117:2480 118:2284 119:1914 120:1693 121:1073 122:2589 123:2170 124:1523 125:2303 128:1309 129:976 130:971 131:2022 132:843 133:401 134:1810 135:295 136:888 137:1067 138:2604 139:1517 140:1031 141:1490 142:1421 143:1449 144:1190 145:352 146:1903 147:1524 148:2292 149:1860 150:868 151:1145 152:1965 153:555 154:3810 155:1418 156:1630 157:1294 158:1031 159:2239 160:2581 161:1436 162:3552 163:1486 164:1692 165:1653 166:827 167:1751 168:3857 169:925 170:4562 171:887 172:3539 173:3063 174:1026 175:1149 176:3634 177:4814 178:3535 179:2148 180:2415 181:3355 182:3228 183:1932 184:2367 185:19985 186:4645 187:3924 188:4058 189:3454 190:9045 191:1464 192:10989 193:8830 194:7183 195:5102 196:2974 197:2409 198:5994 199:6104 200:7732 201:5879 202:10522 203:10231 204:4612 205:3516 206:3840 207:3406 208:4117 209:4842 210:4352 211:2421 212:4082 213:3546 214:1110 215:55 216:6607 217:2653 218:1290 219:472 220:2033 221:957 222:739 223:1978 End of report