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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 17 20:02:36 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 18 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: 901280 Prefixes after maximum aggregation (per Origin AS): 339608 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 434407 Total ASes present in the Internet Routing Table: 73265 Prefixes per ASN: 12.30 Origin-only ASes present in the Internet Routing Table: 62881 Origin ASes announcing only one prefix: 25823 Transit ASes present in the Internet Routing Table: 10384 Transit-only ASes present in the Internet Routing Table: 373 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 903 Number of instances of unregistered ASNs: 911 Number of 32-bit ASNs allocated by the RIRs: 39608 Number of 32-bit ASNs visible in the Routing Table: 32813 Prefixes from 32-bit ASNs in the Routing Table: 155659 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 488 Number of addresses announced to Internet: 3068947584 Equivalent to 182 /8s, 236 /16s and 108 /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: 306299 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235236 Total APNIC prefixes after maximum aggregation: 66890 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 230512 Unique aggregates announced from the APNIC address blocks: 95378 APNIC Region origin ASes present in the Internet Routing Table: 12707 APNIC Prefixes per ASN: 18.14 APNIC Region origin ASes announcing only one prefix: 3653 APNIC Region transit ASes present in the Internet Routing Table: 1748 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: 7922 Number of APNIC addresses announced to Internet: 773640704 Equivalent to 46 /8s, 28 /16s and 210 /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: 263453 Total ARIN prefixes after maximum aggregation: 120608 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263539 Unique aggregates announced from the ARIN address blocks: 126882 ARIN Region origin ASes present in the Internet Routing Table: 19046 ARIN Prefixes per ASN: 13.84 ARIN Region origin ASes announcing only one prefix: 6897 ARIN Region transit ASes present in the Internet Routing Table: 1934 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: 4531 Number of ARIN addresses announced to Internet: 1297249024 Equivalent to 77 /8s, 82 /16s and 115 /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: 258597 Total RIPE prefixes after maximum aggregation: 118188 RIPE Deaggregation factor: 2.19 Prefixes being announced from the RIPE address blocks: 255969 Unique aggregates announced from the RIPE address blocks: 151443 RIPE Region origin ASes present in the Internet Routing Table: 28138 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3969 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10699 Number of RIPE addresses announced to Internet: 713665664 Equivalent to 42 /8s, 137 /16s and 172 /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: 115279 Total LACNIC prefixes after maximum aggregation: 27717 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 115061 Unique aggregates announced from the LACNIC address blocks: 48693 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2237 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 47 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8690 Number of LACNIC addresses announced to Internet: 176466688 Equivalent to 10 /8s, 132 /16s and 171 /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: 27812 Total AfriNIC prefixes after maximum aggregation: 5506 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 35711 Unique aggregates announced from the AfriNIC address blocks: 11598 AfriNIC Region origin ASes present in the Internet Routing Table: 1647 AfriNIC Prefixes per ASN: 21.68 AfriNIC Region origin ASes announcing only one prefix: 567 AfriNIC Region transit ASes present in the Internet Routing Table: 323 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 971 Number of AfriNIC addresses announced to Internet: 107644416 Equivalent to 6 /8s, 106 /16s and 134 /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 9230 8880 38 CHINAMOBILE-CN China Mobile Communicati 7545 5923 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4716 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3560 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3486 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3430 1880 56 VNPT-AS-VN VNPT Corp, VN 4766 2493 11121 601 KIXS-AS-KR Korea Telecom, KR 9498 2415 499 236 BBIL-AP BHARTI Airtel Ltd., IN 45090 2170 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2129 425 217 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 6655 10378 2719 AMAZON-02, US 11492 4530 300 652 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3888 3067 354 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3454 1801 2513 AKAMAI-AS, US 6327 3440 1319 63 SHAW, CA 749 2964 50743 2220 DNIC-AS-00749, US 30036 2624 374 166 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2475 3342 352 GOOGLE-CLOUD-PLATFORM, US 209 2435 4961 417 CENTURYLINK-US-LEGACY-QWEST, 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 6868 1730 143 UNI2-AS, ES 9121 6746 1692 17 TTNET, TR 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3972 3361 205 AKAMAI-ASN1, NL 12389 2947 2273 908 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2524 249 1313 M247, GB 34984 2244 357 633 TELLCOM-AS, TR 47331 2086 327 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 10735 3401 552 Uninet S.A. de C.V., MX 10620 3488 519 740 Telmex Colombia S.A., CO 11830 2437 369 64 Instituto Costarricense de Electricidad 13999 1873 306 489 Mega Cable, S.A. de C.V., MX 28573 1388 2332 273 Claro NXT Telecomunicacoes Ltda, BR 6503 1369 351 533 Axtel, S.A.B. de C.V., MX 3816 1259 673 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1073 369 21 Telefonica del Peru S.A.A., PE 11664 1031 192 438 Techtel LMDS Comunicaciones Interactiva 18881 965 1118 29 TELEFONICA BRASIL S.A, BR 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 1600 393 19 LINKdotNET-AS, EG 24835 1525 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 776 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 519 52 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 10735 3401 552 Uninet S.A. de C.V., MX 9808 9230 8880 38 CHINAMOBILE-CN China Mobile Communicati 12479 6868 1730 143 UNI2-AS, ES 9121 6746 1692 17 TTNET, TR 16509 6655 10378 2719 AMAZON-02, US 7545 5923 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4716 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4530 300 652 CABLEONE, US 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9230 9192 CHINAMOBILE-CN China Mobile Communications Grou 9121 6746 6729 TTNET, TR 12479 6868 6725 UNI2-AS, ES 7545 5923 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4716 4641 ERX-CERNET-BKB China Education and Research Net 8551 4001 3962 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 16509 6655 3936 AMAZON-02, US 11492 4530 3878 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 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 /11:100 /12:301 /13:592 /14:1207 /15:2049 /16:13507 /17:8308 /18:13835 /19:25093 /20:44428 /21:52314 /22:108735 /23:96638 /24:533301 /25:802 /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 5900 6746 TTNET, TR 12479 5847 6868 UNI2-AS, ES 8151 4450 10735 Uninet S.A. de C.V., MX 8551 3467 4001 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3433 4530 CABLEONE, US 6327 3250 3440 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2906 3888 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) ---------------------------------------------- 1:1939 2:1024 3:157 4:6 5:3793 6:108 7:6 8:1593 9:1 11:173 12:1648 13:333 14:2341 15:211 16:42 17:386 18:174 20:213 21:4 22:188 23:5677 24:2376 25:6 27:2613 29:19 31:2444 32:95 34:5 35:87 36:1797 37:4455 38:3052 39:712 40:153 41:3903 42:1122 43:2210 44:291 45:15870 46:4160 47:322 49:1692 50:2176 51:236 52:1442 54:381 55:802 56:8 57:58 58:1771 59:1163 60:962 61:2272 62:2500 63:1943 64:5546 65:2341 66:4867 67:2967 68:1195 69:4181 70:1328 71:681 72:3051 74:2652 75:1393 76:581 77:2212 78:3917 79:3121 80:1998 81:1754 82:1499 83:1213 84:1326 85:3679 86:711 87:1921 88:2780 89:3347 90:541 91:7629 92:2017 93:2556 94:3455 95:4782 96:1311 97:351 98:1003 99:747 100:77 101:1045 102:2125 103:29221 104:4486 105:468 106:875 107:2532 108:847 109:4268 110:1993 111:3311 112:2042 113:1535 114:1476 115:1958 116:1910 117:2527 118:2321 119:1837 120:1700 121:1073 122:2543 123:2094 124:1600 125:2114 128:1232 129:1074 130:980 131:2032 132:779 133:378 134:1923 135:278 136:876 137:862 138:2427 139:1529 140:894 141:1428 142:1291 143:1437 144:1208 145:349 146:1825 147:1512 148:2211 149:1748 150:859 151:1074 152:1841 153:460 154:3567 155:1439 156:1725 157:1243 158:1048 159:2209 160:2541 161:1275 162:3462 163:1276 164:1625 165:1612 166:726 167:1722 168:3806 169:868 170:4435 171:831 172:3214 173:3137 174:1016 175:1130 176:3569 177:4652 178:3553 179:2092 180:2295 181:3003 182:3250 183:1957 184:2367 185:19564 186:4294 187:3829 188:3932 189:3343 190:8905 191:1352 192:11012 193:8620 194:7037 195:4953 196:2943 197:2389 198:5986 199:6035 200:7558 201:5839 202:10496 203:10018 204:4544 205:3449 206:3755 207:3399 208:4020 209:4700 210:4368 211:2433 212:4044 213:3406 214:1143 215:66 216:6498 217:2670 218:1293 219:573 220:1944 221:1008 222:825 223:2160 End of report
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