IPv4 R&E Routing Table Report 21:10 GMT Wed 09 Mar, 2022 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: 894426 Prefixes after maximum aggregation (per Origin AS): 335571 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 428247 Number of IPv4 prefixes with a valid ROA: 315766 Number of IPv4 prefixes with an invalid ROA: 2744 Number of IPv4 prefixes with no ROA: 575916 Total ASes present in the Internet Routing Table: 72774 Prefixes per ASN: 12.29 Origin-only ASes present in the Internet Routing Table: 62502 Origin ASes announcing only one prefix: 25656 Transit ASes present in the Internet Routing Table: 10272 Transit-only ASes present in the Internet Routing Table: 382 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 251 Max AS path prepend of ASN ( 21299) 245 Prefixes from unregistered ASNs in the Routing Table: 955 Number of instances of unregistered ASNs: 961 Number of 32-bit ASNs allocated by the RIRs: 38738 Number of 32-bit ASNs visible in the Routing Table: 32217 Prefixes from 32-bit ASNs in the Routing Table: 151471 Number of bogon 32-bit ASNs visible in the Routing Table: 47 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 540 Number of addresses announced to Internet: 3067542016 Equivalent to 182 /8s, 214 /16s and 250 /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: 99.5 Total number of prefixes smaller than registry allocations: 302531 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235271 Total APNIC prefixes after maximum aggregation: 65858 APNIC Deaggregation factor: 3.57 Prefixes being announced from the APNIC address blocks: 230300 Unique aggregates announced from the APNIC address blocks: 94419 APNIC Region origin ASes present in the Internet Routing Table: 12445 APNIC Prefixes per ASN: 18.51 APNIC Region origin ASes announcing only one prefix: 3536 APNIC Region transit ASes present in the Internet Routing Table: 1715 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: 7666 Number of APNIC addresses announced to Internet: 773719040 Equivalent to 46 /8s, 30 /16s and 4 /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: 260021 Total ARIN prefixes after maximum aggregation: 119333 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260027 Unique aggregates announced from the ARIN address blocks: 123710 ARIN Region origin ASes present in the Internet Routing Table: 18973 ARIN Prefixes per ASN: 13.71 ARIN Region origin ASes announcing only one prefix: 6892 ARIN Region transit ASes present in the Internet Routing Table: 1939 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 251 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4385 Number of ARIN addresses announced to Internet: 1295489024 Equivalent to 77 /8s, 55 /16s and 152 /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: 256152 Total RIPE prefixes after maximum aggregation: 116917 RIPE Deaggregation factor: 2.19 Prefixes being announced from the RIPE address blocks: 253294 Unique aggregates announced from the RIPE address blocks: 149732 RIPE Region origin ASes present in the Internet Routing Table: 28088 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12044 RIPE Region transit ASes present in the Internet Routing Table: 3944 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 251 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10640 Number of RIPE addresses announced to Internet: 713906432 Equivalent to 42 /8s, 141 /16s and 89 /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: 114343 Total LACNIC prefixes after maximum aggregation: 27369 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114351 Unique aggregates announced from the LACNIC address blocks: 48120 LACNIC Region origin ASes present in the Internet Routing Table: 10917 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 2646 LACNIC Region transit ASes present in the Internet Routing Table: 2192 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8616 Number of LACNIC addresses announced to Internet: 176265216 Equivalent to 10 /8s, 129 /16s and 152 /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: 27684 Total AfriNIC prefixes after maximum aggregation: 5391 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 35913 Unique aggregates announced from the AfriNIC address blocks: 11815 AfriNIC Region origin ASes present in the Internet Routing Table: 1577 AfriNIC Prefixes per ASN: 22.77 AfriNIC Region origin ASes announcing only one prefix: 538 AfriNIC Region transit ASes present in the Internet Routing Table: 319 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 910 Number of AfriNIC addresses announced to Internet: 107809536 Equivalent to 6 /8s, 109 /16s and 11 /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 9092 8881 37 CHINAMOBILE-CN China Mobile Communicati 7545 5870 783 692 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4650 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3601 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3497 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3436 1880 57 VNPT-AS-VN VNPT Corp, VN 9498 2384 475 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2290 11120 607 KIXS-AS-KR Korea Telecom, KR 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2111 429 198 TATACOMM-AS TATA Communications formerl 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 6327 10214 2654 AMAZON-02, US 11492 4448 295 738 CABLEONE, US 22773 3953 3082 374 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3895 263 26 VIASAT-SP-BACKBONE, US 16625 3660 1884 2576 AKAMAI-AS, US 6327 3398 1318 61 SHAW, CA 749 2884 50780 2140 DNIC-AS-00749, US 30036 2608 373 158 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2516 4962 428 CENTURYLINK-US-LEGACY-QWEST, US 20115 2258 3042 500 CHARTER-20115, 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 9121 6892 1692 17 TTNET, TR 12479 6824 1730 149 UNI2-AS, ES 8551 4015 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3924 3191 541 AKAMAI-ASN1, NL 39891 3818 220 33 ALJAWWALSTC-AS, SA 12389 2932 2274 908 ROSTELECOM-AS, RU 6849 2916 355 21 UKRTELNET, UA 9009 2473 249 1292 M247, GB 34984 2240 359 611 TELLCOM-AS, TR 47331 1868 294 1426 TTNET, TR 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 10439 3425 558 Uninet S.A. de C.V., MX 10620 3468 518 715 Telmex Colombia S.A., CO 11830 2429 369 62 Instituto Costarricense de Electricidad 13999 1705 291 470 Mega Cable, S.A. de C.V., MX 6503 1442 355 525 Axtel, S.A.B. de C.V., MX 28573 1386 2332 248 CLARO S.A., BR 3816 1254 666 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1139 2349 136 TIM SA, BR 6147 1092 369 21 Telefonica del Peru S.A.A., PE 11664 1008 192 447 Techtel LMDS Comunicaciones Interactiva 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 1591 393 21 LINKdotNET-AS, EG 24835 1545 523 32 RAYA-AS, EG 36992 1301 1518 262 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 907 64 62 ORANGE-COTE-IVOIRE, CI 36935 729 521 40 Vodafone-, EG 6713 611 1851 38 IAM-AS, MA 15399 517 51 34 WANANCHI-, KE 37342 465 32 1 MOVITEL, MZ 23889 422 232 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 10439 3425 558 Uninet S.A. de C.V., MX 9808 9092 8881 37 CHINAMOBILE-CN China Mobile Communicati 9121 6892 1692 17 TTNET, TR 12479 6824 1730 149 UNI2-AS, ES 16509 6327 10214 2654 AMAZON-02, US 7545 5870 783 692 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4650 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4448 295 738 CABLEONE, US 8551 4015 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 22773 3953 3082 374 ASN-CXA-ALL-CCI-22773-RDC, 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 9092 9055 CHINAMOBILE-CN China Mobile Communications Grou 9121 6892 6875 TTNET, TR 12479 6824 6675 UNI2-AS, ES 7545 5870 5178 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4650 4577 ERX-CERNET-BKB China Education and Research Net 8551 4015 3976 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3869 VIASAT-SP-BACKBONE, US 39891 3818 3785 ALJAWWALSTC-AS, SA 11492 4448 3710 CABLEONE, US 16509 6327 3673 AMAZON-02, US 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, 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 395438 UNALLOCATED 8.42.206.0/24 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 100.64.3.0/24 48276 LEVEL-AS, RU 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, 198.19.226.0/24 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 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 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /10:40 /11:100 /12:305 /13:590 /14:1201 /15:2065 /16:13597 /17:8333 /18:13918 /19:25229 /20:43638 /21:52651 /22:108395 /23:95780 /24:528554 /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 9121 6007 6892 TTNET, TR 12479 5803 6824 UNI2-AS, ES 8151 4100 10439 Uninet S.A. de C.V., MX 8551 3480 4015 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3361 4448 CABLEONE, US 6327 3211 3398 SHAW, CA 39891 3130 3818 ALJAWWALSTC-AS, SA 7155 2988 3895 VIASAT-SP-BACKBONE, US 22773 2937 3953 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2769 2916 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1906 2:1060 3:154 4:7 5:3772 6:111 7:5 8:1520 9:1 11:172 12:1712 13:304 14:2381 15:171 16:43 17:376 18:146 20:183 21:4 22:188 23:5515 24:2338 25:6 27:2676 29:19 31:2418 32:93 34:1 35:62 36:1751 37:4369 38:2606 39:696 40:150 41:3930 42:1074 43:2127 44:302 45:16054 46:4116 47:346 49:1664 50:1914 51:107 52:1371 53:1 54:296 55:776 56:8 57:59 58:1823 59:1180 60:967 61:2277 62:2459 63:1942 64:5504 65:2305 66:4867 67:2986 68:1195 69:4147 70:1351 71:676 72:3073 74:2634 75:1517 76:716 77:2101 78:3875 79:3105 80:1959 81:1679 82:1477 83:1213 84:1346 85:3634 86:720 87:1965 88:2655 89:3242 90:518 91:7604 92:2005 93:2588 94:3505 95:4789 96:1305 97:347 98:991 99:866 100:76 101:1047 102:1989 103:28658 104:4261 105:461 106:850 107:2500 108:796 109:4197 110:2070 111:3219 112:2004 113:1485 114:1502 115:2140 116:1888 117:2521 118:2344 119:1898 120:1642 121:1089 122:2536 123:2148 124:1558 125:2125 128:1209 129:1190 130:927 131:2063 132:785 133:373 134:1934 135:289 136:880 137:1015 138:2459 139:1250 140:888 141:1384 142:1279 143:1485 144:1233 145:344 146:1771 147:1500 148:2235 149:1719 150:866 151:1079 152:1838 153:535 154:3609 155:1431 156:1856 157:1233 158:1023 159:2086 160:2413 161:1312 162:3456 163:1231 164:1670 165:1608 166:670 167:1741 168:3713 169:693 170:4406 171:821 172:3052 173:3072 174:1019 175:1144 176:3508 177:4575 178:3456 179:1963 180:2337 181:2929 182:3189 183:1956 184:2388 185:19367 186:4331 187:3627 188:3851 189:3050 190:8934 191:1303 192:11039 193:8548 194:6971 195:4972 196:2949 197:2356 198:6002 199:6016 200:7515 201:5659 202:10535 203:10187 204:4559 205:3382 206:3779 207:3384 208:4042 209:4661 210:4296 211:2445 212:3991 213:3399 214:1160 215:64 216:6448 217:2637 218:1245 219:574 220:2032 221:986 222:852 223:2143 End of report