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[routing-wg] Weekly Global IPv4 Routing Table Report
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Routing Table Analysis Role Account
cscora at apnic.net
Fri Jun 3 20:02:45 CEST 2022
This is an automated weekly mailing describing the state of the Global IPv4 Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats at lists.apnic.net. For historical data, please see https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. IPv4 Routing Table Report 04:00 +10GMT Sat 04 Jun, 2022 BGP Table (Global) as seen in Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 899129 Prefixes after maximum aggregation (per Origin AS): 338820 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 433267 Total ASes present in the Internet Routing Table: 73224 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 62841 Origin ASes announcing only one prefix: 25798 Transit ASes present in the Internet Routing Table: 10383 Transit-only ASes present in the Internet Routing Table: 379 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 54 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 892 Number of instances of unregistered ASNs: 900 Number of 32-bit ASNs allocated by the RIRs: 39542 Number of 32-bit ASNs visible in the Routing Table: 32775 Prefixes from 32-bit ASNs in the Routing Table: 154252 Number of bogon 32-bit ASNs visible in the Routing Table: 244 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 498 Number of addresses announced to Internet: 3065438848 Equivalent to 182 /8s, 182 /16s and 226 /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: 305586 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 234867 Total APNIC prefixes after maximum aggregation: 66756 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 230260 Unique aggregates announced from the APNIC address blocks: 95039 APNIC Region origin ASes present in the Internet Routing Table: 12687 APNIC Prefixes per ASN: 18.15 APNIC Region origin ASes announcing only one prefix: 3655 APNIC Region transit ASes present in the Internet Routing Table: 1760 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7899 Number of APNIC addresses announced to Internet: 773873664 Equivalent to 46 /8s, 32 /16s and 96 /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: 262584 Total ARIN prefixes after maximum aggregation: 120304 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262284 Unique aggregates announced from the ARIN address blocks: 126316 ARIN Region origin ASes present in the Internet Routing Table: 19040 ARIN Prefixes per ASN: 13.78 ARIN Region origin ASes announcing only one prefix: 6901 ARIN Region transit ASes present in the Internet Routing Table: 1931 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4513 Number of ARIN addresses announced to Internet: 1293191936 Equivalent to 77 /8s, 20 /16s and 139 /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: 258043 Total RIPE prefixes after maximum aggregation: 117956 RIPE Deaggregation factor: 2.19 Prefixes being announced from the RIPE address blocks: 255612 Unique aggregates announced from the RIPE address blocks: 151199 RIPE Region origin ASes present in the Internet Routing Table: 28119 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 12007 RIPE Region transit ASes present in the Internet Routing Table: 3972 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10701 Number of RIPE addresses announced to Internet: 714059136 Equivalent to 42 /8s, 143 /16s and 173 /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: 114826 Total LACNIC prefixes after maximum aggregation: 27667 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 114648 Unique aggregates announced from the LACNIC address blocks: 48653 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2226 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 54 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8685 Number of LACNIC addresses announced to Internet: 176448768 Equivalent to 10 /8s, 132 /16s and 101 /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: 27917 Total AfriNIC prefixes after maximum aggregation: 5463 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 35827 Unique aggregates announced from the AfriNIC address blocks: 11647 AfriNIC Region origin ASes present in the Internet Routing Table: 1649 AfriNIC Prefixes per ASN: 21.73 AfriNIC Region origin ASes announcing only one prefix: 575 AfriNIC Region transit ASes present in the Internet Routing Table: 324 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 34 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 977 Number of AfriNIC addresses announced to Internet: 107578624 Equivalent to 6 /8s, 105 /16s and 133 /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 9210 8880 38 CHINAMOBILE-CN China Mobile Communicati 7545 5935 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4712 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3560 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3485 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3427 1880 56 VNPT-AS-VN VNPT Corp, VN 4766 2492 11121 601 KIXS-AS-KR Korea Telecom, KR 9498 2410 499 236 BBIL-AP BHARTI Airtel Ltd., IN 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 214 TATACOMM-AS TATA Communications formerl Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6554 10362 2680 AMAZON-02, US 11492 4520 300 649 CABLEONE, US 22773 3913 3070 364 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3529 1817 2526 AKAMAI-AS, US 6327 3442 1319 65 SHAW, CA 749 2864 50792 2122 DNIC-AS-00749, US 30036 2621 373 184 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2438 4961 419 CENTURYLINK-US-LEGACY-QWEST, US 20115 2250 3050 492 CHARTER-20115, US Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6821 1730 150 UNI2-AS, ES 9121 6744 1692 17 TTNET, TR 8551 3992 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3983 3360 204 AKAMAI-ASN1, NL 39891 3833 224 42 ALJAWWALSTC-AS, SA 12389 2949 2273 907 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2478 247 1282 M247, GB 34984 2242 357 631 TELLCOM-AS, TR 47331 2088 328 1600 TTNET, TR Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10642 3398 558 Uninet S.A. de C.V., MX 10620 3485 519 734 Telmex Colombia S.A., CO 11830 2438 369 63 Instituto Costarricense de Electricidad 13999 1804 302 513 Mega Cable, S.A. de C.V., MX 6503 1444 355 526 Axtel, S.A.B. de C.V., MX 28573 1383 2334 255 CLARO S.A., BR 3816 1257 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1027 192 442 Techtel LMDS Comunicaciones Interactiva 11172 958 133 61 Alestra, S. de R.L. de C.V., MX Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1656 393 21 LINKdotNET-AS, EG 24835 1446 519 32 RAYA-AS, EG 36992 1314 1519 263 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 611 1863 34 IAM-AS, MA 15399 517 51 37 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 423 232 16 MauritiusTelecom, MU Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10642 3398 558 Uninet S.A. de C.V., MX 9808 9210 8880 38 CHINAMOBILE-CN China Mobile Communicati 12479 6821 1730 150 UNI2-AS, ES 9121 6744 1692 17 TTNET, TR 16509 6554 10362 2680 AMAZON-02, US 7545 5935 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4712 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4520 300 649 CABLEONE, US 8551 3992 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3983 3360 204 AKAMAI-ASN1, NL Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9210 9172 CHINAMOBILE-CN China Mobile Communications Grou 9121 6744 6727 TTNET, TR 12479 6821 6671 UNI2-AS, ES 7545 5935 5241 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4712 4637 ERX-CERNET-BKB China Education and Research Net 8551 3992 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 16509 6554 3874 AMAZON-02, US 11492 4520 3871 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 39891 3833 3791 ALJAWWALSTC-AS, SA Complete listing at https://thyme.apnic.net/current/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 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 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 17033 UNALLOCATED 8.48.225.0/24 3356 LEVEL3, US Complete listing at https://thyme.apnic.net/current/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://thyme.apnic.net/current/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://thyme.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:41 /11:99 /12:301 /13:590 /14:1208 /15:2054 /16:13523 /17:8287 /18:13865 /19:25117 /20:44001 /21:52188 /22:108484 /23:96319 /24:532214 /25:809 /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 5898 6744 TTNET, TR 12479 5796 6821 UNI2-AS, ES 8151 4370 10642 Uninet S.A. de C.V., MX 8551 3458 3992 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3423 4520 CABLEONE, US 6327 3250 3442 SHAW, CA 39891 3145 3833 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2914 3913 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1935 2:1023 3:156 4:6 5:3800 6:104 7:5 8:1569 9:1 11:173 12:1678 13:320 14:2382 15:205 16:42 17:385 18:164 20:213 21:4 22:188 23:5664 24:2331 25:6 27:2602 29:19 31:2444 32:95 34:4 35:84 36:1772 37:4454 38:2947 39:708 40:152 41:3972 42:1118 43:2199 44:290 45:15886 46:4154 47:324 49:1689 50:2169 51:108 52:1441 54:379 55:757 56:8 57:58 58:1756 59:1162 60:959 61:2261 62:2534 63:1940 64:5540 65:2336 66:4871 67:2978 68:1193 69:4183 70:1332 71:685 72:3059 74:2661 75:1392 76:582 77:2187 78:3920 79:3114 80:1993 81:1752 82:1498 83:1209 84:1353 85:3676 86:713 87:1973 88:2760 89:3317 90:530 91:7605 92:2012 93:2575 94:3470 95:4807 96:1311 97:349 98:1001 99:746 100:77 101:1044 102:2077 103:29158 104:4419 105:458 106:875 107:2530 108:838 109:4255 110:2007 111:3302 112:2038 113:1540 114:1482 115:1968 116:1917 117:2504 118:2319 119:1831 120:1698 121:1075 122:2544 123:2092 124:1590 125:2126 128:1245 129:1087 130:977 131:2052 132:772 133:378 134:1907 135:292 136:879 137:858 138:2432 139:1510 140:868 141:1422 142:1295 143:1442 144:1208 145:351 146:1818 147:1469 148:2212 149:1740 150:848 151:1077 152:1852 153:460 154:3547 155:1423 156:1810 157:1234 158:1048 159:2206 160:2534 161:1281 162:3464 163:1277 164:1634 165:1607 166:727 167:1716 168:3797 169:849 170:4466 171:831 172:3204 173:3126 174:1022 175:1124 176:3603 177:4613 178:3548 179:2065 180:2287 181:2960 182:3249 183:1956 184:2372 185:19531 186:4262 187:3801 188:3891 189:3293 190:8871 191:1287 192:11013 193:8625 194:7021 195:4946 196:2977 197:2392 198:5990 199:6047 200:7578 201:5724 202:10503 203:10026 204:4546 205:3430 206:3757 207:3379 208:4020 209:4673 210:4338 211:2447 212:4045 213:3404 214:1150 215:67 216:6479 217:2665 218:1291 219:573 220:1949 221:969 222:823 223:2154 End of report
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