Weekly Routing Table Report
This is an automated weekly mailing describing the state of the Internet 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@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 21 Dec, 2019 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 788605 Prefixes after maximum aggregation (per Origin AS): 300793 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 386434 Total ASes present in the Internet Routing Table: 66571 Prefixes per ASN: 11.85 Origin-only ASes present in the Internet Routing Table: 57215 Origin ASes announcing only one prefix: 24175 Transit ASes present in the Internet Routing Table: 9356 Transit-only ASes present in the Internet Routing Table: 289 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 41 Max AS path prepend of ASN ( 8697) 28 Prefixes from unregistered ASNs in the Routing Table: 1311 Number of instances of unregistered ASNs: 1313 Number of 32-bit ASNs allocated by the RIRs: 29921 Number of 32-bit ASNs visible in the Routing Table: 24634 Prefixes from 32-bit ASNs in the Routing Table: 112572 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 285 Number of addresses announced to Internet: 2845478784 Equivalent to 169 /8s, 154 /16s and 143 /24s Percentage of available address space announced: 76.9 Percentage of allocated address space announced: 76.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.4 Total number of prefixes smaller than registry allocations: 263835 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 209493 Total APNIC prefixes after maximum aggregation: 61025 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 203626 Unique aggregates announced from the APNIC address blocks: 84593 APNIC Region origin ASes present in the Internet Routing Table: 10259 APNIC Prefixes per ASN: 19.85 APNIC Region origin ASes announcing only one prefix: 2864 APNIC Region transit ASes present in the Internet Routing Table: 1532 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 5304 Number of APNIC addresses announced to Internet: 767196672 Equivalent to 45 /8s, 186 /16s and 126 /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, 131072-141625 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: 231277 Total ARIN prefixes after maximum aggregation: 107122 ARIN Deaggregation factor: 2.16 Prefixes being announced from the ARIN address blocks: 229192 Unique aggregates announced from the ARIN address blocks: 116042 ARIN Region origin ASes present in the Internet Routing Table: 18342 ARIN Prefixes per ASN: 12.50 ARIN Region origin ASes announcing only one prefix: 6764 ARIN Region transit ASes present in the Internet Routing Table: 1916 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3077 Number of ARIN addresses announced to Internet: 1073924096 Equivalent to 64 /8s, 2 /16s and 200 /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, 393216-399260 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: 222832 Total RIPE prefixes after maximum aggregation: 103895 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 219254 Unique aggregates announced from the RIPE address blocks: 129971 RIPE Region origin ASes present in the Internet Routing Table: 26713 RIPE Prefixes per ASN: 8.21 RIPE Region origin ASes announcing only one prefix: 11698 RIPE Region transit ASes present in the Internet Routing Table: 3760 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 8796 Number of RIPE addresses announced to Internet: 723838080 Equivalent to 43 /8s, 36 /16s and 228 /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 196608-210331 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: 102320 Total LACNIC prefixes after maximum aggregation: 23577 LACNIC Deaggregation factor: 4.34 Prefixes being announced from the LACNIC address blocks: 103490 Unique aggregates announced from the LACNIC address blocks: 45126 LACNIC Region origin ASes present in the Internet Routing Table: 9241 LACNIC Prefixes per ASN: 11.20 LACNIC Region origin ASes announcing only one prefix: 2368 LACNIC Region transit ASes present in the Internet Routing Table: 1743 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 41 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6811 Number of LACNIC addresses announced to Internet: 173949184 Equivalent to 10 /8s, 94 /16s and 65 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-270748 + 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: 21371 Total AfriNIC prefixes after maximum aggregation: 4396 AfriNIC Deaggregation factor: 4.86 Prefixes being announced from the AfriNIC address blocks: 32758 Unique aggregates announced from the AfriNIC address blocks: 10465 AfriNIC Region origin ASes present in the Internet Routing Table: 1351 AfriNIC Prefixes per ASN: 24.25 AfriNIC Region origin ASes announcing only one prefix: 481 AfriNIC Region transit ASes present in the Internet Routing Table: 272 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 23 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 646 Number of AfriNIC addresses announced to Internet: 106280704 Equivalent to 6 /8s, 85 /16s and 183 /24s AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 7545 5171 636 600 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4690 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3279 1331 25 VIETEL-AS-AP Viettel Group, VN 45899 3117 1781 106 VNPT-AS-VN VNPT Corp, VN 7713 2699 798 490 TELKOMNET-AS-AP PT Telekomunikasi Indon 9808 2610 9043 62 CMNET-GD Guangdong Mobile Communication 4766 2290 11105 581 KIXS-AS-KR Korea Telecom, KR 9498 2216 433 214 BBIL-AP BHARTI Airtel Ltd., IN 9829 2212 1390 290 BSNL-NIB National Internet Backbone, IN 4755 2149 442 195 TATACOMM-AS TATA Communications formerl Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7155 4047 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US 11492 3847 253 644 CABLEONE - CABLE ONE, INC., US 16509 3808 7704 1678 AMAZON-02 - Amazon.com, Inc., US 22773 3504 2971 152 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 6327 3377 1324 93 SHAW - Shaw Communications Inc., CA 16625 2958 1549 2124 AKAMAI-AS - Akamai Technologies, Inc., 30036 2261 353 157 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 209 2166 5075 534 CENTURYLINK-US-LEGACY-QWEST - CenturyLi 20115 2134 2773 518 CHARTER-20115 - Charter Communications, 18566 2063 405 103 MEGAPATH5-US - MegaPath Corporation, US Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 5830 1631 135 UNI2-AS, ES 39891 4034 219 19 ALJAWWALSTC-AS, SA 31334 3361 484 13 KABELDEUTSCHLAND-AS, DE 8551 3082 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 2812 472 1964 AKAMAI-ASN1, US 12389 2421 2237 701 ROSTELECOM-AS, RU 34984 2136 348 554 TELLCOM-AS, TR 9009 2020 218 1094 M247, GB 9121 1950 1691 18 TTNET, TR 13188 1605 100 46 TRIOLAN, UA Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 6175 3299 613 Uninet S.A. de C.V., MX 10620 3362 533 462 Telmex Colombia S.A., CO 11830 2681 369 63 Instituto Costarricense de Electricidad 6503 1681 323 388 Axtel, S.A.B. de C.V., MX 7303 1478 1026 265 Telecom Argentina S.A., AR 28573 1226 2234 205 CLARO S.A., BR 13999 1140 495 273 Mega Cable, S.A. de C.V., MX 3816 1119 561 133 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1095 379 39 Telefonica del Peru S.A.A., PE 11172 944 111 65 Alestra, S. de R.L. de C.V., MX Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1244 393 23 LINKdotNET-AS, EG 36992 1032 1535 73 ETISALAT-MISR, EG 24835 979 570 24 RAYA-AS, EG 36903 876 452 97 MT-MPLS, MA 6713 623 1863 34 IAM-AS, MA 29571 557 68 11 ORANGE-COTE-IVOIRE, CI 37342 483 32 1 MOVITEL, MZ 15399 359 45 10 WANANCHI-, KE 36935 358 522 41 Vodafone-, EG 23889 354 231 15 MauritiusTelecom, MU Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 6175 3299 613 Uninet S.A. de C.V., MX 12479 5830 1631 135 UNI2-AS, ES 7545 5171 636 600 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4690 4192 73 ERX-CERNET-BKB China Education and Rese 7155 4047 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US 39891 4034 219 19 ALJAWWALSTC-AS, SA 11492 3847 253 644 CABLEONE - CABLE ONE, INC., US 16509 3808 7704 1678 AMAZON-02 - Amazon.com, Inc., US 22773 3504 2971 152 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 6327 3377 1324 93 SHAW - Shaw Communications Inc., CA Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 12479 5830 5695 UNI2-AS, ES 4538 4690 4617 ERX-CERNET-BKB China Education and Research Net 7545 5171 4571 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 4047 4020 VIASAT-SP-BACKBONE - ViaSat,Inc., US 39891 4034 4015 ALJAWWALSTC-AS, SA 22773 3504 3352 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 31334 3361 3348 KABELDEUTSCHLAND-AS, DE 6327 3377 3284 SHAW - Shaw Communications Inc., CA 7552 3279 3254 VIETEL-AS-AP Viettel Group, VN 11492 3847 3203 CABLEONE - CABLE ONE, INC., US Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3 - Level 3 Parent, LLC 393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174 - Cogent Communic 62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3 - Level 3 Parent, LLC 32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3 - Level 3 Parent, LLC 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Communic 23071 UNALLOCATED 8.33.235.0/24 3356 LEVEL3 - Level 3 Parent, LLC 27205 UNALLOCATED 8.38.16.0/21 6461 ZAYO-6461 - Zayo Bandwidth, 27205 UNALLOCATED 8.38.16.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 27205 UNALLOCATED 8.38.20.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 14109 UNALLOCATED 8.38.252.0/24 3356 LEVEL3 - Level 3 Parent, LLC Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Originated Origin AS Transit AS Origin AS Name 23.136.224.0/24 15206 174 6X7 - 6x7 Networks LLC, ZZ 27.100.7.0/24 56096 45455 UNKNOWN 27.126.156.0/22 55827 9930 UNKNOWN 27.126.156.0/23 55827 9930 UNKNOWN 27.126.158.0/23 55827 9930 UNKNOWN 41.67.192.0/18 15964 12956 CAMNET-AS, CM 41.67.192.0/24 15964 12956 CAMNET-AS, CM 41.67.200.0/24 15964 12956 CAMNET-AS, CM 41.67.201.0/24 15964 12956 CAMNET-AS, CM 41.67.202.0/24 15964 12956 CAMNET-AS, CM Complete listing at http://thyme.rand.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 /8:10 /9:11 /10:37 /11:98 /12:287 /13:579 /14:1158 /15:1920 /16:13351 /17:8103 /18:13863 /19:25755 /20:40354 /21:47495 /22:98178 /23:80351 /24:455733 /25:1322 /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 4789 5830 UNI2-AS, ES 31334 3206 3361 KABELDEUTSCHLAND-AS, DE 6327 3165 3377 SHAW - Shaw Communications Inc., CA 7155 3139 4047 VIASAT-SP-BACKBONE - ViaSat,Inc., US 11492 3000 3847 CABLEONE - CABLE ONE, INC., US 39891 2946 4034 ALJAWWALSTC-AS, SA 22773 2727 3504 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 8551 2541 3082 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11830 2029 2681 Instituto Costarricense de Electricidad y Telec 30036 2010 2261 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1513 2:1147 3:12 4:19 5:3167 6:47 8:1363 9:1 12:1793 13:496 14:2187 15:54 16:9 17:280 18:79 20:58 23:3152 24:2611 25:4 27:2509 31:2811 32:101 35:46 36:926 37:3216 38:1804 39:304 40:133 41:3294 42:843 43:2109 44:186 45:12580 46:3242 47:260 49:1427 50:1134 51:344 52:1131 54:276 55:687 56:6 57:47 58:1896 59:1118 60:663 61:2212 62:2129 63:1921 64:5005 65:2298 66:4806 67:2809 68:1219 69:3810 70:1392 71:671 72:2755 74:2691 75:1435 76:666 77:2536 78:1969 79:2325 80:1799 81:1535 82:1191 83:981 84:1195 85:2544 86:580 87:1648 88:1063 89:2655 90:267 91:7462 92:1447 93:2440 94:2602 95:3693 96:1002 97:339 98:959 99:963 100:84 101:1093 102:717 103:22818 104:3618 105:369 106:841 107:1855 108:689 109:3642 110:1772 111:1932 112:1549 113:1380 114:1451 115:1838 116:1803 117:1994 118:2106 119:1672 120:895 121:1037 122:2361 123:1861 124:1543 125:2016 128:1383 129:883 130:581 131:1829 132:776 133:298 134:1277 135:272 136:598 137:857 138:2169 139:985 140:603 141:853 142:817 143:1090 144:932 145:290 146:1458 147:1009 148:1892 149:1041 150:806 151:1280 152:1455 153:368 154:4629 155:887 156:3064 157:1063 158:695 159:1942 160:1672 161:1055 162:3029 163:872 164:1296 165:1214 166:536 167:1452 168:3567 169:492 170:4196 171:716 172:1851 173:2327 174:1038 175:994 176:2718 177:4126 178:2840 179:1431 180:2176 181:2373 182:2819 183:1114 184:2392 185:15853 186:3844 187:2554 188:3478 189:2072 190:8294 191:1463 192:10179 193:7292 194:5881 195:4256 196:3370 197:1953 198:6059 199:5921 200:7148 201:5154 202:10420 203:10240 204:4566 205:3070 206:3257 207:3235 208:3998 209:4336 210:3993 211:1984 212:3317 213:2990 214:1137 215:52 216:5890 217:2310 218:890 219:603 220:1967 221:925 222:1010 223:1359 End of report
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