IPv4 R&E Routing Table Report 21:10 GMT Mon 19 Sep, 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: 900495 Prefixes after maximum aggregation (per Origin AS): 341041 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 439627 Number of IPv4 prefixes with a valid ROA: 351317 Number of IPv4 prefixes with an invalid ROA: 3082 Number of IPv4 prefixes with no ROA: 546096 Total ASes present in the Internet Routing Table: 73674 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63314 Origin ASes announcing only one prefix: 26017 Transit ASes present in the Internet Routing Table: 10360 Transit-only ASes present in the Internet Routing Table: 403 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: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1133 Number of instances of unregistered ASNs: 1136 Number of 32-bit ASNs allocated by the RIRs: 40181 Number of 32-bit ASNs visible in the Routing Table: 33378 Prefixes from 32-bit ASNs in the Routing Table: 160426 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 606 Number of addresses announced to Internet: 3068375296 Equivalent to 182 /8s, 227 /16s and 177 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 301160 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235863 Total APNIC prefixes after maximum aggregation: 67237 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 230851 Unique aggregates announced from the APNIC address blocks: 96421 APNIC Region origin ASes present in the Internet Routing Table: 12949 APNIC Prefixes per ASN: 17.83 APNIC Region origin ASes announcing only one prefix: 3739 APNIC Region transit ASes present in the Internet Routing Table: 1769 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: 8197 Number of APNIC addresses announced to Internet: 772956928 Equivalent to 46 /8s, 18 /16s and 99 /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: 265281 Total ARIN prefixes after maximum aggregation: 121121 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265880 Unique aggregates announced from the ARIN address blocks: 128066 ARIN Region origin ASes present in the Internet Routing Table: 19057 ARIN Prefixes per ASN: 13.95 ARIN Region origin ASes announcing only one prefix: 6949 ARIN Region transit ASes present in the Internet Routing Table: 1918 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4617 Number of ARIN addresses announced to Internet: 1292462080 Equivalent to 77 /8s, 9 /16s and 104 /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: 252848 Total RIPE prefixes after maximum aggregation: 118402 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 250166 Unique aggregates announced from the RIPE address blocks: 153762 RIPE Region origin ASes present in the Internet Routing Table: 28189 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12050 RIPE Region transit ASes present in the Internet Routing Table: 3924 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10815 Number of RIPE addresses announced to Internet: 718395392 Equivalent to 42 /8s, 209 /16s and 216 /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: 116812 Total LACNIC prefixes after maximum aggregation: 27860 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 116432 Unique aggregates announced from the LACNIC address blocks: 48973 LACNIC Region origin ASes present in the Internet Routing Table: 10968 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2687 LACNIC Region transit ASes present in the Internet Routing Table: 2231 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8730 Number of LACNIC addresses announced to Internet: 176453376 Equivalent to 10 /8s, 132 /16s and 119 /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: 28558 Total AfriNIC prefixes after maximum aggregation: 5598 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36559 Unique aggregates announced from the AfriNIC address blocks: 11912 AfriNIC Region origin ASes present in the Internet Routing Table: 1690 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 592 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1019 Number of AfriNIC addresses announced to Internet: 107793408 Equivalent to 6 /8s, 108 /16s and 204 /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 8970 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5834 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3575 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3356 1870 59 VNPT-AS-VN VNPT Corp, VN 4538 2904 4192 74 ERX-CERNET-BKB China Education and Rese 9498 2443 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2229 11123 598 KIXS-AS-KR Korea Telecom, KR 24560 2212 853 414 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 7097 10483 2848 AMAZON-02, US 11492 4544 301 592 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3851 3068 356 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3528 1833 2535 AKAMAI-AS, US 6327 3463 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2606 369 279 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2532 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2346 4935 393 CENTURYLINK-US-LEGACY-QWEST, 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 6940 1730 144 UNI2-AS, ES 20940 4072 3361 202 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2915 2290 909 ROSTELECOM-AS, RU 6849 2676 355 21 UKRTELNET, UA 9009 2592 250 1337 M247, GB 34984 2257 358 633 TELLCOM-AS, TR 58224 1797 936 536 TCI, IR 13188 1610 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 10957 3394 557 Uninet S.A. de C.V., MX 10620 3501 515 787 Telmex Colombia S.A., CO 11830 2322 369 65 Instituto Costarricense de Electricidad 13999 1996 325 509 Mega Cable, S.A. de C.V., MX 28573 1358 2326 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1072 369 21 Telefonica del Peru S.A.A., PE 11664 1058 179 467 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1578 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 990 68 32 ORANGE-COTE-IVOIRE, CI 36935 812 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 521 52 41 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 402 232 16 MauritiusTelecom, MU 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 10957 3394 557 Uninet S.A. de C.V., MX 9808 8970 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7097 10483 2848 AMAZON-02, US 12479 6940 1730 144 UNI2-AS, ES 7545 5834 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4544 301 592 CABLEONE, US 20940 4072 3361 202 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3988 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 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 8970 8923 CHINAMOBILE-CN China Mobile Communications Grou 12479 6940 6796 UNI2-AS, ES 7545 5834 5141 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7097 4249 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4544 3952 CABLEONE, US 8551 3988 3950 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4072 3870 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3575 3555 VIETEL-AS-AP Viettel Group, VN 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 25674 UNALLOCATED 8.12.76.0/24 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 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 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 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 24.152.20.0/23 Origin: 270472 UNASSIGNED 24.152.20.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 24.152.22.0/23 Origin: 270472 UNASSIGNED 24.152.22.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /12:301 /13:592 /14:1203 /15:2092 /16:13523 /17:8345 /18:13936 /19:25058 /20:44088 /21:51492 /22:108575 /23:96282 /24:534838 /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 5937 6940 UNI2-AS, ES 8151 4693 10957 Uninet S.A. de C.V., MX 11492 3464 4544 CABLEONE, US 8551 3452 3988 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3273 3463 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2863 3851 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2532 2676 UKRTELNET, UA 30036 2263 2606 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1900 2:1023 3:163 4:5 5:3893 6:116 7:6 8:1576 9:1 11:173 12:1629 13:338 14:2358 15:263 16:51 17:361 18:305 20:243 21:4 22:188 23:5954 24:2450 25:6 27:2735 29:19 31:2412 32:91 34:7 35:89 36:1853 37:4468 38:3525 39:741 40:155 41:3924 42:1165 43:2241 44:292 45:16179 46:4167 47:309 48:1 49:1694 50:1930 51:241 52:1490 54:385 55:810 56:8 57:68 58:1819 59:1172 60:978 61:2290 62:2549 63:1912 64:5614 65:2330 66:4889 67:2991 68:1200 69:4158 70:1323 71:692 72:2996 74:2644 75:1455 76:587 77:2266 78:1885 79:3128 80:2063 81:1652 82:1506 83:1205 84:1399 85:2946 86:726 87:1911 88:1171 89:3417 90:559 91:7610 92:2058 93:2546 94:3529 95:3847 96:1311 97:348 98:1041 99:721 100:75 101:1069 102:2327 103:30125 104:4580 105:471 106:890 107:2538 108:887 109:4307 110:1983 111:3246 112:2040 113:1505 114:1510 115:2092 116:1853 117:2487 118:2327 119:1837 120:1703 121:1079 122:2536 123:2126 124:1494 125:2133 128:1241 129:1022 130:1008 131:2042 132:821 133:377 134:1943 135:296 136:792 137:1022 138:2549 139:1524 140:955 141:1453 142:1345 143:1401 144:1193 145:345 146:1866 147:1524 148:2244 149:1812 150:872 151:1090 152:1944 153:546 154:3772 155:1426 156:1699 157:1288 158:1042 159:2190 160:2535 161:1350 162:3500 163:1409 164:1679 165:1658 166:796 167:1748 168:3824 169:874 170:4529 171:841 172:3375 173:3110 174:1023 175:1158 176:3626 177:4734 178:3577 179:2167 180:2386 181:3297 182:3189 183:1924 184:2360 185:19741 186:4597 187:3917 188:4004 189:3476 190:9084 191:1499 192:11003 193:8673 194:7145 195:5071 196:2974 197:2463 198:5983 199:6032 200:7666 201:5815 202:10496 203:10215 204:4516 205:3483 206:3861 207:3429 208:4060 209:4728 210:4362 211:2337 212:4074 213:3490 214:1118 215:54 216:6418 217:2626 218:1303 219:471 220:2001 221:927 222:773 223:1971 End of report