IPv4 R&E Routing Table Report 21:10 GMT Wed 15 Jun, 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: 894714 Prefixes after maximum aggregation (per Origin AS): 337748 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 434215 Number of IPv4 prefixes with a valid ROA: 331286 Number of IPv4 prefixes with an invalid ROA: 3099 Number of IPv4 prefixes with no ROA: 560329 Total ASes present in the Internet Routing Table: 73233 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 62919 Origin ASes announcing only one prefix: 25825 Transit ASes present in the Internet Routing Table: 10314 Transit-only ASes present in the Internet Routing Table: 371 Paths with bogon ASNs present in the IPv4 Routing Table: 57 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 36 Max AS path prepend of ASN ( 30036) 34 Prefixes from unregistered ASNs in the Routing Table: 923 Number of instances of unregistered ASNs: 931 Number of 32-bit ASNs allocated by the RIRs: 39592 Number of 32-bit ASNs visible in the Routing Table: 32812 Prefixes from 32-bit ASNs in the Routing Table: 155701 Number of bogon 32-bit ASNs visible in the Routing Table: 49 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 494 Number of addresses announced to Internet: 3064623360 Equivalent to 182 /8s, 170 /16s and 113 /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: 298496 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236187 Total APNIC prefixes after maximum aggregation: 66583 APNIC Deaggregation factor: 3.55 Prefixes being announced from the APNIC address blocks: 231510 Unique aggregates announced from the APNIC address blocks: 95287 APNIC Region origin ASes present in the Internet Routing Table: 12688 APNIC Prefixes per ASN: 18.25 APNIC Region origin ASes announcing only one prefix: 3629 APNIC Region transit ASes present in the Internet Routing Table: 1749 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7922 Number of APNIC addresses announced to Internet: 773126144 Equivalent to 46 /8s, 20 /16s and 248 /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: 263530 Total ARIN prefixes after maximum aggregation: 120491 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263462 Unique aggregates announced from the ARIN address blocks: 126740 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 13.84 ARIN Region origin ASes announcing only one prefix: 6898 ARIN Region transit ASes present in the Internet Routing Table: 1926 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4524 Number of ARIN addresses announced to Internet: 1293403648 Equivalent to 77 /8s, 23 /16s and 198 /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: 250739 Total RIPE prefixes after maximum aggregation: 116777 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 248032 Unique aggregates announced from the RIPE address blocks: 151387 RIPE Region origin ASes present in the Internet Routing Table: 28138 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3913 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10711 Number of RIPE addresses announced to Internet: 713658112 Equivalent to 42 /8s, 137 /16s and 143 /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: 115319 Total LACNIC prefixes after maximum aggregation: 27674 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 115099 Unique aggregates announced from the LACNIC address blocks: 48721 LACNIC Region origin ASes present in the Internet Routing Table: 10970 LACNIC Prefixes per ASN: 10.49 LACNIC Region origin ASes announcing only one prefix: 2688 LACNIC Region transit ASes present in the Internet Routing Table: 2218 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: 8680 Number of LACNIC addresses announced to Internet: 176464128 Equivalent to 10 /8s, 132 /16s and 161 /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: 28016 Total AfriNIC prefixes after maximum aggregation: 5514 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36116 Unique aggregates announced from the AfriNIC address blocks: 11660 AfriNIC Region origin ASes present in the Internet Routing Table: 1650 AfriNIC Prefixes per ASN: 21.89 AfriNIC Region origin ASes announcing only one prefix: 567 AfriNIC Region transit ASes present in the Internet Routing Table: 336 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: 975 Number of AfriNIC addresses announced to Internet: 107678464 Equivalent to 6 /8s, 107 /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 9221 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5916 789 687 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4834 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3576 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3493 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3427 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2414 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2251 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2170 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2131 425 217 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 6601 10365 2698 AMAZON-02, US 11492 4515 299 661 CABLEONE, US 22773 3937 3076 364 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3463 1807 2517 AKAMAI-AS, US 6327 3439 1319 64 SHAW, CA 749 2963 50742 2219 DNIC-AS-00749, US 30036 2624 374 166 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2465 2444 342 GOOGLE-CLOUD-PLATFORM, US 209 2433 4960 415 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 6861 1730 143 UNI2-AS, ES 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4004 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3980 3361 204 AKAMAI-ASN1, NL 12389 2933 2273 906 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2526 249 1315 M247, GB 34984 2246 357 633 TELLCOM-AS, TR 58224 1827 936 603 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 10731 3401 552 Uninet S.A. de C.V., MX 10620 3489 519 736 Telmex Colombia S.A., CO 11830 2435 369 63 Instituto Costarricense de Electricidad 13999 1866 307 485 Mega Cable, S.A. de C.V., MX 6503 1441 355 527 Axtel, S.A.B. de C.V., MX 28573 1378 2332 273 CLARO S.A., BR 3816 1259 673 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1023 191 437 Techtel LMDS Comunicaciones Interactiva 18881 965 1118 29 TELEFONICA BRASIL S.A, 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 1600 393 19 LINKdotNET-AS, EG 24835 1541 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 960 65 64 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 515 51 34 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 423 232 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 10731 3401 552 Uninet S.A. de C.V., MX 9808 9221 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6861 1730 143 UNI2-AS, ES 16509 6601 10365 2698 AMAZON-02, US 7545 5916 789 687 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4834 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4515 299 661 CABLEONE, US 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4004 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3980 3361 204 AKAMAI-ASN1, NL 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 9221 9186 CHINAMOBILE-CN China Mobile Communications Grou 12479 6861 6718 UNI2-AS, ES 7545 5916 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4834 4759 ERX-CERNET-BKB China Education and Research Net 8551 4004 3965 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 16509 6601 3903 AMAZON-02, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4515 3854 CABLEONE, US 20940 3980 3776 AKAMAI-ASN1, NL 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 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 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 100.67.0.0/20 266452 ELETROINFO TELECOMUNICACOES LTDA - ME, BR 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 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 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 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 /10:41 /11:99 /12:304 /13:591 /14:1202 /15:2088 /16:13533 /17:8348 /18:13874 /19:25128 /20:44476 /21:51728 /22:108179 /23:95910 /24:529183 /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 5840 6861 UNI2-AS, ES 8151 4448 10731 Uninet S.A. de C.V., MX 8551 3470 4004 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3422 4515 CABLEONE, US 6327 3249 3439 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2937 3937 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2281 2624 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1923 2:1028 3:157 4:6 5:3797 6:108 7:6 8:1566 9:1 11:173 12:1678 13:331 14:2354 15:211 16:42 17:386 18:167 20:213 21:4 22:188 23:5681 24:2362 25:6 27:2684 29:19 31:2448 32:92 34:3 35:87 36:1775 37:4465 38:3042 39:711 40:153 41:3903 42:1128 43:2218 44:290 45:15814 46:4148 47:322 49:1671 50:2175 51:236 52:1442 54:381 55:803 56:8 57:59 58:1859 59:1188 60:970 61:2258 62:2505 63:1938 64:5573 65:2335 66:4868 67:2990 68:1198 69:4175 70:1336 71:687 72:3052 74:2646 75:1392 76:587 77:2208 78:1852 79:3123 80:1996 81:1613 82:1495 83:1210 84:1325 85:2929 86:706 87:1919 88:1139 89:3335 90:538 91:7611 92:2019 93:2557 94:3456 95:3861 96:1310 97:351 98:1006 99:754 100:77 101:1048 102:2150 103:29309 104:4477 105:467 106:874 107:2532 108:843 109:4274 110:1994 111:3260 112:2034 113:1503 114:1488 115:2169 116:1893 117:2515 118:2332 119:1867 120:1666 121:1104 122:2522 123:2122 124:1544 125:2134 128:1256 129:1071 130:982 131:2028 132:813 133:378 134:1929 135:278 136:878 137:1001 138:2440 139:1540 140:894 141:1421 142:1289 143:1437 144:1208 145:349 146:1837 147:1516 148:2239 149:1751 150:865 151:1075 152:1841 153:537 154:3561 155:1436 156:1814 157:1239 158:1049 159:2212 160:2539 161:1235 162:3466 163:1290 164:1637 165:1620 166:725 167:1752 168:3814 169:872 170:4440 171:828 172:3219 173:3132 174:1019 175:1142 176:3594 177:4613 178:3553 179:2086 180:2356 181:2998 182:3204 183:1956 184:2373 185:19563 186:4300 187:3786 188:3925 189:3331 190:8982 191:1338 192:11017 193:8623 194:7047 195:4967 196:3056 197:2401 198:5993 199:6035 200:7611 201:5839 202:10544 203:10227 204:4541 205:3454 206:3756 207:3396 208:4022 209:4709 210:4497 211:2440 212:4017 213:3415 214:1147 215:66 216:6500 217:2671 218:1309 219:571 220:1956 221:1011 222:837 223:2123 End of report