Global R&E Routing Table Report 23:15 GMT Sat 01 May, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 845361 Prefixes after maximum aggregation (per Origin AS): 321698 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 406825 Total ASes present in the Internet Routing Table: 71046 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 60989 Origin ASes announcing only one prefix: 25223 Transit ASes present in the Internet Routing Table: 10057 Transit-only ASes present in the Internet Routing Table: 331 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 58 Max AS path prepend of ASN (203986) 55 Prefixes from unregistered ASNs in the Routing Table: 1076 Number of instances of unregistered ASNs: 1091 Number of 32-bit ASNs allocated by the RIRs: 35898 Number of 32-bit ASNs visible in the Routing Table: 29824 Prefixes from 32-bit ASNs in the Routing Table: 134849 Number of bogon 32-bit ASNs visible in the Routing Table: 36 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 585 Number of addresses announced to Internet: 3031344640 Equivalent to 180 /8s, 174 /16s and 166 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 289824 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 215321 Total APNIC prefixes after maximum aggregation: 62932 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 211528 Unique aggregates announced from the APNIC address blocks: 89406 APNIC Region origin ASes present in the Internet Routing Table: 11447 APNIC Prefixes per ASN: 18.48 APNIC Region origin ASes announcing only one prefix: 3273 APNIC Region transit ASes present in the Internet Routing Table: 1620 Average APNIC Region AS path length visible: 3.1 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6664 Number of APNIC addresses announced to Internet: 773164544 Equivalent to 46 /8s, 21 /16s and 142 /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, 131072-143673 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: 246013 Total ARIN prefixes after maximum aggregation: 112781 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 246445 Unique aggregates announced from the ARIN address blocks: 117868 ARIN Region origin ASes present in the Internet Routing Table: 18745 ARIN Prefixes per ASN: 13.15 ARIN Region origin ASes announcing only one prefix: 6803 ARIN Region transit ASes present in the Internet Routing Table: 1935 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 30 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3837 Number of ARIN addresses announced to Internet: 1263554048 Equivalent to 75 /8s, 80 /16s and 78 /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: 244705 Total RIPE prefixes after maximum aggregation: 113852 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240655 Unique aggregates announced from the RIPE address blocks: 141615 RIPE Region origin ASes present in the Internet Routing Table: 27897 RIPE Prefixes per ASN: 8.63 RIPE Region origin ASes announcing only one prefix: 11965 RIPE Region transit ASes present in the Internet Routing Table: 3982 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 58 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10154 Number of RIPE addresses announced to Internet: 710716416 Equivalent to 42 /8s, 92 /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: 112403 Total LACNIC prefixes after maximum aggregation: 26443 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 113509 Unique aggregates announced from the LACNIC address blocks: 46938 LACNIC Region origin ASes present in the Internet Routing Table: 10752 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2039 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8374 Number of LACNIC addresses announced to Internet: 176414720 Equivalent to 10 /8s, 131 /16s and 224 /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: 25831 Total AfriNIC prefixes after maximum aggregation: 4921 AfriNIC Deaggregation factor: 5.25 Prefixes being announced from the AfriNIC address blocks: 32639 Unique aggregates announced from the AfriNIC address blocks: 10472 AfriNIC Region origin ASes present in the Internet Routing Table: 1446 AfriNIC Prefixes per ASN: 22.57 AfriNIC Region origin ASes announcing only one prefix: 490 AfriNIC Region transit ASes present in the Internet Routing Table: 293 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 795 Number of AfriNIC addresses announced to Internet: 107048448 Equivalent to 6 /8s, 97 /16s and 110 /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 5727 782 672 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5181 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3518 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3492 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2886 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2340 481 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2193 11358 558 KIXS-AS-KR Korea Telecom, KR 4755 2117 441 191 TATACOMM-AS TATA Communications formerl 45090 2097 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1944 314 16 TOT-NET TOT Public Company Limited, TH 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 5077 9369 2245 AMAZON-02, US 11492 4777 316 640 CABLEONE, US 7155 4028 264 32 VIASAT-SP-BACKBONE, US 22773 3933 2999 247 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3478 1794 2446 AKAMAI-AS, US 6327 3359 1317 68 SHAW, CA 30036 2560 373 145 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2535 5039 485 CENTURYLINK-US-LEGACY-QWEST, US 5650 2298 2989 1606 FRONTIER-FRTR, US 5972 2225 451 802 DNIC-ASBLK-05800-06055, 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 7790 1046 3501 TTNET, TR 12479 6566 1725 145 UNI2-AS, ES 20940 3602 3359 190 AKAMAI-ASN1, NL 8551 3534 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2884 2284 895 ROSTELECOM-AS, RU 9009 2421 247 1298 M247, GB 34984 2216 357 586 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1586 885 582 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 8539 3476 577 Uninet S.A. de C.V., MX 10620 3414 526 617 Telmex Colombia S.A., CO 11830 2491 369 62 Instituto Costarricense de Electricidad 7303 1969 2058 70 Telecom Argentina S.A., AR 13999 1690 448 426 Mega Cable, S.A. de C.V., MX 6503 1445 311 477 Axtel, S.A.B. de C.V., MX 28573 1383 2280 225 CLARO S.A., BR 3816 1229 644 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1129 377 39 Telefonica del Peru S.A.A., PE 11664 1002 210 400 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 1581 393 22 LINKdotNET-AS, EG 24835 1445 494 28 RAYA-AS, EG 36992 1185 1473 176 ETISALAT-MISR, EG 36903 1183 537 110 MT-MPLS, MA 29571 730 68 11 ORANGE-COTE-IVOIRE, CI 6713 594 1863 34 IAM-AS, MA 36935 521 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 483 48 24 WANANCHI-, KE 23889 439 232 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 8539 3476 577 Uninet S.A. de C.V., MX 47331 7790 1046 3501 TTNET, TR 12479 6566 1725 145 UNI2-AS, ES 7545 5727 782 672 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5181 8995 52 CMNET-GD Guangdong Mobile Communication 16509 5077 9369 2245 AMAZON-02, US 11492 4777 316 640 CABLEONE, US 7155 4028 264 32 VIASAT-SP-BACKBONE, US 22773 3933 2999 247 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3602 3359 190 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 6566 6421 UNI2-AS, ES 9808 5181 5129 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5727 5055 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7790 4289 TTNET, TR 11492 4777 4137 CABLEONE, US 7155 4028 3996 VIASAT-SP-BACKBONE, US 22773 3933 3686 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3534 3494 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3492 3472 VIETEL-AS-AP Viettel Group, VN 7713 3518 3462 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 23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US 46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, US 15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, US 3577 UNALLOCATED 12.19.197.0/24 7018 ATT-INTERNET4, 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 23.142.80.0/24 Origin: 398481 REDMERCURY, US Transit: 209319 IPV6ROUTING, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/22 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 27.126.156.0/23 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 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 /11:101 /12:298 /13:584 /14:1188 /15:2035 /16:13469 /17:8227 /18:13649 /19:25269 /20:40720 /21:50223 /22:104941 /23:90131 /24:494445 /25:0 /26:1 /27:0 /28:0 /29:1 /30:3 /31:0 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 47331 6968 7790 TTNET, TR 12479 5518 6566 UNI2-AS, ES 11492 3823 4777 CABLEONE, US 6327 3168 3359 SHAW, CA 7155 3116 4028 VIASAT-SP-BACKBONE, US 8151 3104 8539 Uninet S.A. de C.V., MX 8551 2998 3534 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2964 3933 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2231 2560 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1886 2:1203 3:122 4:19 5:3540 6:65 7:5 8:1493 11:164 12:1753 13:361 14:2200 15:74 16:15 17:322 18:93 20:122 21:1 22:188 23:4683 24:2401 25:2 27:2517 29:19 31:2337 32:107 34:2 35:40 36:1243 37:3770 38:2078 39:580 40:158 41:3778 42:926 43:2105 44:242 45:15004 46:3659 47:328 49:1595 50:1776 51:92 52:1238 54:223 55:774 56:8 57:59 58:1598 59:1069 60:894 61:2240 62:2236 63:1957 64:5323 65:2383 66:5142 67:2886 68:1155 69:4077 70:1399 71:686 72:3162 74:2591 75:1487 76:687 77:2023 78:3705 79:2699 80:1871 81:1652 82:1360 83:1122 84:1264 85:3394 86:704 87:1805 88:2697 89:2993 90:450 91:7320 92:1754 93:2523 94:3107 95:4440 96:1271 97:345 98:991 99:971 100:75 101:1201 102:1426 103:26019 104:3745 105:436 106:721 107:2261 108:710 109:4004 110:1893 111:2720 112:1859 113:1304 114:1440 115:1931 116:1808 117:2219 118:2260 119:1827 120:1075 121:984 122:2237 123:2194 124:1515 125:1897 128:1155 129:1099 130:842 131:2031 132:734 133:356 134:1589 135:289 136:743 137:926 138:2294 139:1166 140:715 141:1189 142:1157 143:1271 144:1262 145:330 146:1397 147:1298 148:2211 149:1402 150:807 151:1073 152:1550 153:394 154:2420 155:1325 156:1489 157:1174 158:916 159:2043 160:2130 161:1146 162:3266 163:986 164:1520 165:1396 166:586 167:1809 168:3563 169:679 170:4261 171:770 172:2163 173:2948 174:993 175:1071 176:3123 177:4293 178:2890 179:1936 180:2318 181:2602 182:3164 183:1641 184:2424 185:18228 186:4197 187:3175 188:3300 189:2856 190:8898 191:1377 192:10670 193:8050 194:6598 195:4724 196:2879 197:2187 198:6010 199:6008 200:7403 201:5327 202:10185 203:10107 204:4623 205:3308 206:3490 207:3319 208:4007 209:4657 210:3977 211:2073 212:3675 213:3356 214:1223 215:61 216:6179 217:2540 218:1040 219:475 220:2046 221:933 222:691 223:1704 End of report