Global R&E Routing Table Report 23:05 GMT Fri 13 Aug, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 853761 Prefixes after maximum aggregation (per Origin AS): 325890 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 412480 Total ASes present in the Internet Routing Table: 71629 Prefixes per ASN: 11.92 Origin-only ASes present in the Internet Routing Table: 61503 Origin ASes announcing only one prefix: 25375 Transit ASes present in the Internet Routing Table: 10126 Transit-only ASes present in the Internet Routing Table: 340 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 42 Max AS path prepend of ASN ( 37385) 37 Prefixes from unregistered ASNs in the Routing Table: 1066 Number of instances of unregistered ASNs: 1075 Number of 32-bit ASNs allocated by the RIRs: 36878 Number of 32-bit ASNs visible in the Routing Table: 30624 Prefixes from 32-bit ASNs in the Routing Table: 139057 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 534 Number of addresses announced to Internet: 3040505856 Equivalent to 181 /8s, 58 /16s and 112 /24s Percentage of available address space announced: 82.1 Percentage of allocated address space announced: 82.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 291781 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 217702 Total APNIC prefixes after maximum aggregation: 63312 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 213178 Unique aggregates announced from the APNIC address blocks: 90715 APNIC Region origin ASes present in the Internet Routing Table: 11742 APNIC Prefixes per ASN: 18.16 APNIC Region origin ASes announcing only one prefix: 3330 APNIC Region transit ASes present in the Internet Routing Table: 1661 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6973 Number of APNIC addresses announced to Internet: 774261760 Equivalent to 46 /8s, 38 /16s and 76 /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, 131072-147769 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: 250735 Total ARIN prefixes after maximum aggregation: 114863 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 250290 Unique aggregates announced from the ARIN address blocks: 119381 ARIN Region origin ASes present in the Internet Routing Table: 18830 ARIN Prefixes per ASN: 13.29 ARIN Region origin ASes announcing only one prefix: 6852 ARIN Region transit ASes present in the Internet Routing Table: 1931 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4047 Number of ARIN addresses announced to Internet: 1270104320 Equivalent to 75 /8s, 180 /16s and 65 /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: 247125 Total RIPE prefixes after maximum aggregation: 115082 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 243683 Unique aggregates announced from the RIPE address blocks: 144094 RIPE Region origin ASes present in the Internet Routing Table: 28015 RIPE Prefixes per ASN: 8.70 RIPE Region origin ASes announcing only one prefix: 12030 RIPE Region transit ASes present in the Internet Routing Table: 3975 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10341 Number of RIPE addresses announced to Internet: 711140864 Equivalent to 42 /8s, 99 /16s and 38 /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: 110880 Total LACNIC prefixes after maximum aggregation: 26704 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 111924 Unique aggregates announced from the LACNIC address blocks: 47132 LACNIC Region origin ASes present in the Internet Routing Table: 10765 LACNIC Prefixes per ASN: 10.40 LACNIC Region origin ASes announcing only one prefix: 2637 LACNIC Region transit ASes present in the Internet Routing Table: 2092 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8418 Number of LACNIC addresses announced to Internet: 176129280 Equivalent to 10 /8s, 127 /16s and 133 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 26253 Total AfriNIC prefixes after maximum aggregation: 5169 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 34152 Unique aggregates announced from the AfriNIC address blocks: 10685 AfriNIC Region origin ASes present in the Internet Routing Table: 1515 AfriNIC Prefixes per ASN: 22.54 AfriNIC Region origin ASes announcing only one prefix: 526 AfriNIC Region transit ASes present in the Internet Routing Table: 294 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 42 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 845 Number of AfriNIC addresses announced to Internet: 108523520 Equivalent to 6 /8s, 119 /16s and 240 /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 7545 5821 785 674 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4921 8999 54 CMNET-GD Guangdong Mobile Communication 7552 3605 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3530 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2882 1897 55 VNPT-AS-VN VNPT Corp, VN 9498 2373 503 248 BBIL-AP BHARTI Airtel Ltd., IN 4766 2239 11375 568 KIXS-AS-KR Korea Telecom, KR 45090 2123 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 4755 2119 437 193 TATACOMM-AS TATA Communications formerl 24560 1953 838 357 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 5393 9657 2425 AMAZON-02, US 11492 4760 314 750 CABLEONE, US 7155 3981 264 32 VIASAT-SP-BACKBONE, US 22773 3981 3030 279 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3589 1852 2488 AKAMAI-AS, US 6327 3362 1313 62 SHAW, CA 30036 2574 375 226 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2518 5029 455 CENTURYLINK-US-LEGACY-QWEST, US 5972 2264 483 823 DNIC-ASBLK-05800-06055, US 20115 2245 3048 506 CHARTER-20115, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 47331 7865 1061 3404 TTNET, TR 12479 6786 1726 145 UNI2-AS, ES 20940 3744 3360 200 AKAMAI-ASN1, NL 8551 3283 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3267 187 22 ALJAWWALSTC-AS, SA 12389 2885 2282 895 ROSTELECOM-AS, RU 9009 2466 257 1324 M247, GB 34984 2219 357 594 TELLCOM-AS, TR 61317 1745 268 962 ASDETUK www.heficed.com, GB 58224 1623 889 561 TCI, IR Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 8669 3456 586 Uninet S.A. de C.V., MX 10620 3330 509 789 Telmex Colombia S.A., CO 11830 2507 369 62 Instituto Costarricense de Electricidad 13999 1797 414 474 Mega Cable, S.A. de C.V., MX 6503 1501 359 478 Axtel, S.A.B. de C.V., MX 28573 1437 2306 230 CLARO S.A., BR 3816 1240 652 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1099 2351 134 TIM SA, BR 6147 1090 370 22 Telefonica del Peru S.A.A., PE 11664 983 194 437 Techtel LMDS Comunicaciones Interactiva Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1650 393 22 LINKdotNET-AS, EG 24835 1425 499 30 RAYA-AS, EG 36992 1309 1489 266 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 739 68 11 ORANGE-COTE-IVOIRE, CI 6713 612 1863 34 IAM-AS, MA 36935 571 522 40 Vodafone-, EG 15399 500 49 28 WANANCHI-, KE 37342 463 32 1 MOVITEL, MZ 23889 433 232 16 MauritiusTelecom, MU Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 8669 3456 586 Uninet S.A. de C.V., MX 47331 7865 1061 3404 TTNET, TR 12479 6786 1726 145 UNI2-AS, ES 7545 5821 785 674 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5393 9657 2425 AMAZON-02, US 9808 4921 8999 54 CMNET-GD Guangdong Mobile Communication 11492 4760 314 750 CABLEONE, US 7155 3981 264 32 VIASAT-SP-BACKBONE, US 22773 3981 3030 279 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3744 3360 200 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 12479 6786 6641 UNI2-AS, ES 7545 5821 5147 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 4921 4867 CMNET-GD Guangdong Mobile Communication Co.Ltd. 47331 7865 4461 TTNET, TR 11492 4760 4010 CABLEONE, US 7155 3981 3949 VIASAT-SP-BACKBONE, US 22773 3981 3702 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3605 3585 VIETEL-AS-AP Viettel Group, VN 20940 3744 3544 AKAMAI-ASN1, NL 7713 3530 3474 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID Complete listing at https://bgp.nsrc.org/REN/singapore/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, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US 15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED Transit: 11426 TWC-11426-CAROLINAS, US 23.177.96.0/24 Origin: 397300 UNASSIGNED Transit: 33387 NOCIX, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/23 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 37.16.88.0/23 Origin: 202245 UNASSIGNED Transit: 28716 RETELIT-AS Internet Service Provider, IT Complete listing at https://bgp.nsrc.org/REN/singapore/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 /10:40 /11:100 /12:306 /13:587 /14:1188 /15:2040 /16:13418 /17:8159 /18:13757 /19:24892 /20:40689 /21:49884 /22:105851 /23:91025 /24:501782 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:8 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 7035 7865 TTNET, TR 12479 5724 6786 UNI2-AS, ES 11492 3717 4760 CABLEONE, US 6327 3173 3362 SHAW, CA 8151 3172 8669 Uninet S.A. de C.V., MX 7155 3069 3981 VIASAT-SP-BACKBONE, US 22773 2973 3981 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2803 3267 ALJAWWALSTC-AS, SA 8551 2748 3283 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2225 2574 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1901 2:1112 3:141 4:20 5:3596 6:81 7:5 8:1514 11:164 12:1742 13:373 14:2180 15:99 16:20 17:333 18:104 20:124 21:1 22:188 23:4956 24:2421 25:2 27:2514 29:19 31:2330 32:113 33:1 34:1 35:47 36:1468 37:3808 38:2190 39:588 40:187 41:3760 42:969 43:2049 44:271 45:15385 46:3651 47:348 48:7 49:1596 50:1805 51:101 52:1247 54:252 55:630 56:4 57:55 58:1639 59:1054 60:933 61:2218 62:2308 63:1964 64:5365 65:2360 66:5007 67:2874 68:1168 69:4092 70:1366 71:676 72:3125 74:2611 75:1493 76:697 77:2022 78:3657 79:2614 80:1877 81:1671 82:1366 83:1136 84:1279 85:3450 86:710 87:1823 88:2693 89:2988 90:514 91:7400 92:1813 93:2540 94:3109 95:4483 96:1283 97:344 98:979 99:963 100:77 101:1277 102:1620 103:26676 104:3940 105:431 106:804 107:2321 108:726 109:3877 110:1892 111:2763 112:1873 113:1282 114:1449 115:1929 116:1840 117:2206 118:2252 119:1870 120:1041 121:968 122:2488 123:2140 124:1541 125:1888 128:1263 129:1309 130:886 131:2010 132:743 133:363 134:1648 135:300 136:795 137:947 138:2397 139:1205 140:788 141:1203 142:1214 143:1342 144:1257 145:325 146:1481 147:1361 148:2150 149:1480 150:819 151:1070 152:1631 153:423 154:2995 155:1338 156:1695 157:1221 158:964 159:2016 160:2323 161:1230 162:3359 163:1020 164:1560 165:1421 166:602 167:1813 168:3630 169:699 170:4367 171:802 172:2616 173:2956 174:1021 175:1102 176:3196 177:4408 178:2956 179:1893 180:2298 181:2609 182:3173 183:1584 184:2420 185:18711 186:4250 187:3160 188:3327 189:2923 190:8769 191:1360 192:10726 193:8299 194:6729 195:4821 196:2887 197:2167 198:5998 199:5974 200:7375 201:5221 202:10132 203:10044 204:4567 205:3361 206:3645 207:3290 208:4033 209:4698 210:3963 211:2221 212:3748 213:3461 214:1182 215:55 216:6341 217:2578 218:1060 219:450 220:1938 221:903 222:678 223:1732 End of report