Global R&E Routing Table Report 23:15 GMT Wed 28 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 844604 Prefixes after maximum aggregation (per Origin AS): 321862 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 406529 Total ASes present in the Internet Routing Table: 71038 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 60979 Origin ASes announcing only one prefix: 25201 Transit ASes present in the Internet Routing Table: 10059 Transit-only ASes present in the Internet Routing Table: 334 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: 1031 Number of instances of unregistered ASNs: 1046 Number of 32-bit ASNs allocated by the RIRs: 35855 Number of 32-bit ASNs visible in the Routing Table: 29798 Prefixes from 32-bit ASNs in the Routing Table: 134582 Number of bogon 32-bit ASNs visible in the Routing Table: 35 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 531 Number of addresses announced to Internet: 3031352576 Equivalent to 180 /8s, 174 /16s and 197 /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: 289318 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 215369 Total APNIC prefixes after maximum aggregation: 62953 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 211512 Unique aggregates announced from the APNIC address blocks: 89326 APNIC Region origin ASes present in the Internet Routing Table: 11434 APNIC Prefixes per ASN: 18.50 APNIC Region origin ASes announcing only one prefix: 3256 APNIC Region transit ASes present in the Internet Routing Table: 1614 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: 6646 Number of APNIC addresses announced to Internet: 772974080 Equivalent to 46 /8s, 18 /16s and 166 /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: 245760 Total ARIN prefixes after maximum aggregation: 112954 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 246151 Unique aggregates announced from the ARIN address blocks: 117685 ARIN Region origin ASes present in the Internet Routing Table: 18752 ARIN Prefixes per ASN: 13.13 ARIN Region origin ASes announcing only one prefix: 6802 ARIN Region transit ASes present in the Internet Routing Table: 1937 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: 3835 Number of ARIN addresses announced to Internet: 1263401472 Equivalent to 75 /8s, 77 /16s and 250 /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: 244421 Total RIPE prefixes after maximum aggregation: 113867 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240368 Unique aggregates announced from the RIPE address blocks: 141619 RIPE Region origin ASes present in the Internet Routing Table: 27891 RIPE Prefixes per ASN: 8.62 RIPE Region origin ASes announcing only one prefix: 11956 RIPE Region transit ASes present in the Internet Routing Table: 3988 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: 10149 Number of RIPE addresses announced to Internet: 711083264 Equivalent to 42 /8s, 98 /16s and 69 /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: 112213 Total LACNIC prefixes after maximum aggregation: 26402 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 113348 Unique aggregates announced from the LACNIC address blocks: 46924 LACNIC Region origin ASes present in the Internet Routing Table: 10753 LACNIC Prefixes per ASN: 10.54 LACNIC Region origin ASes announcing only one prefix: 2701 LACNIC Region transit ASes present in the Internet Routing Table: 2044 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: 8375 Number of LACNIC addresses announced to Internet: 176457216 Equivalent to 10 /8s, 132 /16s and 134 /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: 25798 Total AfriNIC prefixes after maximum aggregation: 4925 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 32694 Unique aggregates announced from the AfriNIC address blocks: 10488 AfriNIC Region origin ASes present in the Internet Routing Table: 1446 AfriNIC Prefixes per ASN: 22.61 AfriNIC Region origin ASes announcing only one prefix: 486 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: 793 Number of AfriNIC addresses announced to Internet: 107009024 Equivalent to 6 /8s, 96 /16s and 212 /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 5725 783 671 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5182 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3517 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 2337 481 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2208 11358 561 KIXS-AS-KR Korea Telecom, KR 4755 2119 441 190 TATACOMM-AS TATA Communications formerl 45090 2098 1197 72 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 5054 9354 2230 AMAZON-02, US 11492 4626 307 844 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3934 3005 247 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3466 1787 2437 AKAMAI-AS, US 6327 3361 1317 70 SHAW, CA 30036 2557 373 147 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2535 5039 485 CENTURYLINK-US-LEGACY-QWEST, US 5650 2321 2992 1623 FRONTIER-FRTR, US 5972 2222 450 790 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 7499 1016 3595 TTNET, TR 12479 6561 1725 145 UNI2-AS, ES 20940 3596 3359 190 AKAMAI-ASN1, NL 8551 3537 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2884 2284 897 ROSTELECOM-AS, RU 9009 2408 247 1292 M247, GB 34984 2216 357 586 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1585 885 581 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 8510 3476 576 Uninet S.A. de C.V., MX 10620 3412 526 615 Telmex Colombia S.A., CO 11830 2494 369 62 Instituto Costarricense de Electricidad 7303 1891 2063 73 Telecom Argentina S.A., AR 13999 1676 447 423 Mega Cable, S.A. de C.V., MX 6503 1444 311 476 Axtel, S.A.B. de C.V., MX 28573 1381 2279 223 CLARO S.A., BR 3816 1229 644 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1131 378 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 1588 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 550 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 8510 3476 576 Uninet S.A. de C.V., MX 47331 7499 1016 3595 TTNET, TR 12479 6561 1725 145 UNI2-AS, ES 7545 5725 783 671 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5182 8995 52 CMNET-GD Guangdong Mobile Communication 16509 5054 9354 2230 AMAZON-02, US 11492 4626 307 844 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3934 3005 247 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3596 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 6561 6416 UNI2-AS, ES 9808 5182 5130 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5725 5054 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 4030 3998 VIASAT-SP-BACKBONE, US 47331 7499 3904 TTNET, TR 11492 4626 3782 CABLEONE, US 22773 3934 3687 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3537 3497 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3492 3472 VIETEL-AS-AP Viettel Group, VN 7713 3517 3461 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 /15:1982 /16:13469 /17:8211 /18:13644 /19:25270 /20:40662 /21:50173 /22:104892 /23:90024 /24:494025 /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 6691 7499 TTNET, TR 12479 5514 6561 UNI2-AS, ES 11492 3697 4626 CABLEONE, US 6327 3168 3361 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8151 3091 8510 Uninet S.A. de C.V., MX 8551 3001 3537 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2965 3934 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2230 2557 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1884 2:1100 3:122 4:19 5:3536 6:65 7:5 8:1492 11:164 12:1753 13:360 14:2200 15:75 16:15 17:322 18:93 20:122 21:1 22:188 23:4675 24:2375 25:2 27:2515 29:19 31:2333 32:107 34:2 35:39 36:1242 37:3772 38:2072 39:579 40:158 41:3764 42:925 43:2110 44:238 45:14954 46:3666 47:320 49:1592 50:1774 51:92 52:1237 54:225 55:763 56:8 57:59 58:1592 59:1069 60:889 61:2244 62:2233 63:1960 64:5332 65:2382 66:5128 67:2871 68:1156 69:4065 70:1399 71:689 72:3158 74:2583 75:1483 76:686 77:2024 78:3617 79:2700 80:1874 81:1645 82:1361 83:1120 84:1264 85:3352 86:704 87:1809 88:2637 89:3015 90:447 91:7311 92:1754 93:2519 94:3110 95:4392 96:1255 97:345 98:989 99:970 100:76 101:1202 102:1416 103:26021 104:3737 105:436 106:721 107:2267 108:708 109:4002 110:1895 111:2720 112:1858 113:1307 114:1444 115:1931 116:1811 117:2218 118:2260 119:1834 120:1074 121:987 122:2232 123:2196 124:1514 125:1899 128:1312 129:1092 130:840 131:2029 132:742 133:356 134:1590 135:289 136:748 137:924 138:2304 139:1161 140:714 141:1188 142:1154 143:1276 144:1259 145:330 146:1398 147:1298 148:2218 149:1399 150:807 151:1075 152:1551 153:394 154:2424 155:1327 156:1493 157:1175 158:918 159:2032 160:2115 161:1144 162:3257 163:989 164:1525 165:1397 166:585 167:1806 168:3566 169:675 170:4269 171:771 172:2154 173:2930 174:986 175:1073 176:3118 177:4299 178:2892 179:1945 180:2317 181:2596 182:3123 183:1644 184:2403 185:18221 186:4196 187:3174 188:3301 189:2849 190:8920 191:1383 192:10653 193:8044 194:6598 195:4726 196:2891 197:2186 198:6016 199:6006 200:7400 201:5322 202:10196 203:10101 204:4622 205:3341 206:3489 207:3318 208:4014 209:4643 210:3977 211:2071 212:3686 213:3339 214:1228 215:61 216:6180 217:2546 218:1040 219:476 220:2053 221:935 222:691 223:1704 End of report