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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 May 27 20:02:52 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 28 May, 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: 899258 Prefixes after maximum aggregation (per Origin AS): 339060 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 433427 Total ASes present in the Internet Routing Table: 73221 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 62839 Origin ASes announcing only one prefix: 25797 Transit ASes present in the Internet Routing Table: 10382 Transit-only ASes present in the Internet Routing Table: 377 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 922 Number of instances of unregistered ASNs: 930 Number of 32-bit ASNs allocated by the RIRs: 39487 Number of 32-bit ASNs visible in the Routing Table: 32740 Prefixes from 32-bit ASNs in the Routing Table: 154208 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: 509 Number of addresses announced to Internet: 3066265472 Equivalent to 182 /8s, 195 /16s and 127 /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: 305546 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235296 Total APNIC prefixes after maximum aggregation: 66895 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 230516 Unique aggregates announced from the APNIC address blocks: 95039 APNIC Region origin ASes present in the Internet Routing Table: 12684 APNIC Prefixes per ASN: 18.17 APNIC Region origin ASes announcing only one prefix: 3644 APNIC Region transit ASes present in the Internet Routing Table: 1756 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7885 Number of APNIC addresses announced to Internet: 774119680 Equivalent to 46 /8s, 36 /16s and 33 /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: 262331 Total ARIN prefixes after maximum aggregation: 120469 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262077 Unique aggregates announced from the ARIN address blocks: 126232 ARIN Region origin ASes present in the Internet Routing Table: 19038 ARIN Prefixes per ASN: 13.77 ARIN Region origin ASes announcing only one prefix: 6908 ARIN Region transit ASes present in the Internet Routing Table: 1939 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: 4509 Number of ARIN addresses announced to Internet: 1293438976 Equivalent to 77 /8s, 24 /16s and 80 /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: 258167 Total RIPE prefixes after maximum aggregation: 117921 RIPE Deaggregation factor: 2.19 Prefixes being announced from the RIPE address blocks: 255678 Unique aggregates announced from the RIPE address blocks: 151267 RIPE Region origin ASes present in the Internet Routing Table: 28140 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 12025 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: 10706 Number of RIPE addresses announced to Internet: 714228352 Equivalent to 42 /8s, 146 /16s and 66 /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: 114749 Total LACNIC prefixes after maximum aggregation: 27619 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 114575 Unique aggregates announced from the LACNIC address blocks: 48660 LACNIC Region origin ASes present in the Internet Routing Table: 10963 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2213 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8675 Number of LACNIC addresses announced to Internet: 176530176 Equivalent to 10 /8s, 133 /16s and 163 /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: 27793 Total AfriNIC prefixes after maximum aggregation: 5473 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 35903 Unique aggregates announced from the AfriNIC address blocks: 11809 AfriNIC Region origin ASes present in the Internet Routing Table: 1635 AfriNIC Prefixes per ASN: 21.96 AfriNIC Region origin ASes announcing only one prefix: 563 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 965 Number of AfriNIC addresses announced to Internet: 107659776 Equivalent to 6 /8s, 106 /16s and 194 /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 9204 8884 43 CHINAMOBILE-CN China Mobile Communicati 7545 5928 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4709 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3555 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3485 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3423 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 2123 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 6470 10358 2808 AMAZON-02, US 11492 4515 299 659 CABLEONE, US 22773 3917 3072 364 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3529 1817 2528 AKAMAI-AS, US 6327 3442 1319 65 SHAW, CA 749 2866 50792 2124 DNIC-AS-00749, US 30036 2622 373 172 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2448 4961 420 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 6814 1730 150 UNI2-AS, ES 9121 6735 1692 17 TTNET, TR 8551 3998 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3969 3360 204 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 12389 2949 2273 908 ROSTELECOM-AS, RU 6849 2927 355 21 UKRTELNET, UA 9009 2471 246 1277 M247, GB 34984 2238 357 628 TELLCOM-AS, TR 47331 2089 328 1602 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 10655 3404 554 Uninet S.A. de C.V., MX 10620 3480 518 736 Telmex Colombia S.A., CO 11830 2437 369 63 Instituto Costarricense de Electricidad 13999 1833 302 472 Mega Cable, S.A. de C.V., MX 6503 1449 355 527 Axtel, S.A.B. de C.V., MX 28573 1368 2333 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 1655 393 21 LINKdotNET-AS, EG 24835 1466 497 30 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 956 65 64 ORANGE-COTE-IVOIRE, CI 36935 675 520 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 10655 3404 554 Uninet S.A. de C.V., MX 9808 9204 8884 43 CHINAMOBILE-CN China Mobile Communicati 12479 6814 1730 150 UNI2-AS, ES 9121 6735 1692 17 TTNET, TR 16509 6470 10358 2808 AMAZON-02, US 7545 5928 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4709 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4515 299 659 CABLEONE, US 8551 3998 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3969 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 9204 9161 CHINAMOBILE-CN China Mobile Communications Grou 9121 6735 6718 TTNET, TR 12479 6814 6664 UNI2-AS, ES 7545 5928 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4709 4634 ERX-CERNET-BKB China Education and Research Net 8551 3998 3959 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4515 3856 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3969 3765 AKAMAI-ASN1, NL 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 65454 PRIVATE 1.9.206.0/24 4788 TMNET-AS-AP TM Net, Internet 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 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 23.129.40.0/24 Origin: 6461 ZAYO-6461, US 23.129.40.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.129.56.0/24 Origin: 6461 ZAYO-6461, US 23.129.56.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 23.129.136.0/24 Origin: 6461 ZAYO-6461, US 23.129.136.0/24 Transit: 2516 KDDI KDDI CORPORATION, JP 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 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 /12:303 /13:590 /14:1210 /15:2061 /16:13542 /17:8295 /18:13884 /19:25158 /20:44042 /21:52201 /22:108486 /23:96209 /24:532297 /25:810 /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 5891 6735 TTNET, TR 12479 5787 6814 UNI2-AS, ES 8151 4375 10655 Uninet S.A. de C.V., MX 8551 3464 3998 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4515 CABLEONE, US 6327 3250 3442 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2919 3917 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2778 2927 UKRTELNET, UA Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1927 2:1019 3:154 4:6 5:3794 6:104 7:5 8:1567 9:1 11:173 12:1704 13:295 14:2381 15:202 16:42 17:384 18:162 20:212 21:4 22:188 23:5650 24:2329 25:6 27:2602 29:19 31:2435 32:95 34:4 35:82 36:1773 37:4455 38:2899 39:706 40:152 41:3970 42:1110 43:2184 44:292 45:16097 46:4144 47:324 49:1688 50:2172 51:108 52:1434 54:370 55:750 56:8 57:58 58:1758 59:1168 60:956 61:2260 62:2530 63:1942 64:5533 65:2333 66:4855 67:2978 68:1192 69:4177 70:1332 71:685 72:3053 74:2644 75:1393 76:586 77:2171 78:3921 79:3115 80:1994 81:1750 82:1497 83:1211 84:1365 85:3682 86:711 87:1971 88:2757 89:3297 90:535 91:7626 92:2017 93:2598 94:3501 95:4817 96:1311 97:349 98:998 99:737 100:77 101:1046 102:2066 103:29136 104:4418 105:457 106:876 107:2527 108:842 109:4262 110:2040 111:3308 112:2036 113:1538 114:1484 115:1977 116:1917 117:2507 118:2313 119:1838 120:1696 121:1075 122:2580 123:2101 124:1589 125:2128 128:1231 129:1090 130:979 131:2054 132:770 133:378 134:1906 135:291 136:882 137:862 138:2435 139:1506 140:862 141:1420 142:1292 143:1431 144:1209 145:347 146:1816 147:1492 148:2211 149:1730 150:852 151:1080 152:1849 153:459 154:3464 155:1425 156:1840 157:1236 158:1046 159:2205 160:2521 161:1283 162:3459 163:1273 164:1658 165:1605 166:728 167:1710 168:3777 169:833 170:4480 171:831 172:3181 173:3123 174:1024 175:1123 176:3590 177:4660 178:3551 179:2024 180:2290 181:2999 182:3256 183:1954 184:2371 185:19514 186:4265 187:3784 188:3885 189:3279 190:8894 191:1304 192:11006 193:8626 194:7020 195:4964 196:2969 197:2374 198:5997 199:6047 200:7574 201:5732 202:10500 203:10037 204:4544 205:3446 206:3757 207:3380 208:4016 209:4662 210:4305 211:2460 212:4042 213:3432 214:1155 215:67 216:6469 217:2672 218:1284 219:571 220:1949 221:980 222:842 223:2159 End of report
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