Global R&E Routing Table Report 23:15 GMT Sun 25 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 845484 Prefixes after maximum aggregation (per Origin AS): 321481 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 405829 Total ASes present in the Internet Routing Table: 70976 Prefixes per ASN: 11.91 Origin-only ASes present in the Internet Routing Table: 60942 Origin ASes announcing only one prefix: 25218 Transit ASes present in the Internet Routing Table: 10034 Transit-only ASes present in the Internet Routing Table: 330 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: 1040 Number of instances of unregistered ASNs: 1055 Number of 32-bit ASNs allocated by the RIRs: 35834 Number of 32-bit ASNs visible in the Routing Table: 29738 Prefixes from 32-bit ASNs in the Routing Table: 134036 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: 497 Number of addresses announced to Internet: 3031542784 Equivalent to 180 /8s, 177 /16s and 172 /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: 289642 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 216070 Total APNIC prefixes after maximum aggregation: 62969 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 212219 Unique aggregates announced from the APNIC address blocks: 89113 APNIC Region origin ASes present in the Internet Routing Table: 11370 APNIC Prefixes per ASN: 18.66 APNIC Region origin ASes announcing only one prefix: 3246 APNIC Region transit ASes present in the Internet Routing Table: 1601 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: 6586 Number of APNIC addresses announced to Internet: 772296448 Equivalent to 46 /8s, 8 /16s and 79 /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: 245691 Total ARIN prefixes after maximum aggregation: 112677 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 246108 Unique aggregates announced from the ARIN address blocks: 117736 ARIN Region origin ASes present in the Internet Routing Table: 18743 ARIN Prefixes per ASN: 13.13 ARIN Region origin ASes announcing only one prefix: 6805 ARIN Region transit ASes present in the Internet Routing Table: 1939 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: 3830 Number of ARIN addresses announced to Internet: 1263971328 Equivalent to 75 /8s, 86 /16s and 172 /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: 244653 Total RIPE prefixes after maximum aggregation: 113763 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240622 Unique aggregates announced from the RIPE address blocks: 141495 RIPE Region origin ASes present in the Internet Routing Table: 27903 RIPE Prefixes per ASN: 8.62 RIPE Region origin ASes announcing only one prefix: 11982 RIPE Region transit ASes present in the Internet Routing Table: 3985 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: 10153 Number of RIPE addresses announced to Internet: 711118848 Equivalent to 42 /8s, 98 /16s and 208 /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: 112196 Total LACNIC prefixes after maximum aggregation: 26362 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 113359 Unique aggregates announced from the LACNIC address blocks: 46977 LACNIC Region origin ASes present in the Internet Routing Table: 10746 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2036 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: 8371 Number of LACNIC addresses announced to Internet: 176099584 Equivalent to 10 /8s, 127 /16s and 17 /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: 25822 Total AfriNIC prefixes after maximum aggregation: 4946 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 32679 Unique aggregates announced from the AfriNIC address blocks: 10053 AfriNIC Region origin ASes present in the Internet Routing Table: 1453 AfriNIC Prefixes per ASN: 22.49 AfriNIC Region origin ASes announcing only one prefix: 493 AfriNIC Region transit ASes present in the Internet Routing Table: 290 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 798 Number of AfriNIC addresses announced to Internet: 107637248 Equivalent to 6 /8s, 106 /16s and 106 /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 6100 8995 52 CMNET-GD Guangdong Mobile Communication 7545 5730 783 668 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3522 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3494 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2884 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2336 481 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2209 11358 561 KIXS-AS-KR Korea Telecom, KR 4755 2119 441 191 TATACOMM-AS TATA Communications formerl 45090 2098 1197 72 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1947 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 5018 9346 2225 AMAZON-02, US 11492 4752 315 712 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3937 3005 250 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3435 1770 2429 AKAMAI-AS, US 6327 3361 1317 70 SHAW, CA 30036 2559 373 127 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2536 5039 486 CENTURYLINK-US-LEGACY-QWEST, US 5650 2345 2997 1640 FRONTIER-FRTR, US 5972 2231 451 784 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 7796 1045 3503 TTNET, TR 12479 6497 1725 144 UNI2-AS, ES 20940 3577 3359 190 AKAMAI-ASN1, NL 8551 3544 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2880 2284 897 ROSTELECOM-AS, RU 9009 2416 247 1291 M247, GB 34984 2216 357 586 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1582 883 579 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 8518 3474 575 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 1901 2063 73 Telecom Argentina S.A., AR 13999 1673 447 424 Mega Cable, S.A. de C.V., MX 6503 1444 311 476 Axtel, S.A.B. de C.V., MX 28573 1376 2277 224 CLARO S.A., BR 3816 1229 644 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 377 39 Telefonica del Peru S.A.A., PE 11664 1003 212 401 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 1587 393 22 LINKdotNET-AS, EG 24835 1443 486 27 RAYA-AS, EG 36992 1203 1537 177 ETISALAT-MISR, EG 36903 1181 536 114 MT-MPLS, MA 29571 730 68 11 ORANGE-COTE-IVOIRE, CI 6713 549 1863 34 IAM-AS, MA 36935 517 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 482 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 8518 3474 575 Uninet S.A. de C.V., MX 47331 7796 1045 3503 TTNET, TR 12479 6497 1725 144 UNI2-AS, ES 9808 6100 8995 52 CMNET-GD Guangdong Mobile Communication 7545 5730 783 668 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 5018 9346 2225 AMAZON-02, US 11492 4752 315 712 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3937 3005 250 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3577 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 6497 6353 UNI2-AS, ES 9808 6100 6048 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5730 5062 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7796 4293 TTNET, TR 11492 4752 4040 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3937 3687 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3544 3504 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3494 3474 VIETEL-AS-AP Viettel Group, VN 7713 3522 3466 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 46766 UNALLOCATED 8.44.208.0/24 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 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 /13:586 /14:1188 /15:1981 /16:13504 /17:8224 /18:13663 /19:25326 /20:40751 /21:50398 /22:104906 /23:90020 /24:494457 /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 6975 7796 TTNET, TR 12479 5451 6497 UNI2-AS, ES 11492 3803 4752 CABLEONE, US 6327 3168 3361 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8151 3084 8518 Uninet S.A. de C.V., MX 8551 3008 3544 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2966 3937 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2234 2559 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1885 2:1105 3:111 4:19 5:3535 6:65 7:5 8:1481 11:164 12:1749 13:361 14:2198 15:76 16:15 17:320 18:93 20:122 22:188 23:4649 24:2394 25:2 27:2524 29:19 31:2331 32:107 34:2 35:40 36:1250 37:3765 38:2070 39:610 40:158 41:3771 42:924 43:2096 44:239 45:14976 46:3698 47:319 49:1608 50:1773 51:92 52:1233 54:222 55:745 56:8 57:59 58:1595 59:1060 60:887 61:2240 62:2232 63:1960 64:5317 65:2374 66:5146 67:2879 68:1155 69:4055 70:1399 71:689 72:3166 74:2581 75:1487 76:685 77:2033 78:3694 79:2709 80:1869 81:1662 82:1362 83:1118 84:1261 85:3382 86:704 87:1795 88:2694 89:3012 90:443 91:7315 92:1748 93:2540 94:3107 95:4439 96:1262 97:345 98:989 99:968 100:76 101:1208 102:1417 103:25776 104:3739 105:430 106:721 107:2259 108:707 109:4003 110:1894 111:2728 112:1955 113:1295 114:1459 115:1930 116:1806 117:2365 118:2255 119:1837 120:1067 121:998 122:2211 123:2194 124:1513 125:1898 128:1311 129:1092 130:836 131:2020 132:739 133:356 134:1589 135:289 136:735 137:922 138:2298 139:1173 140:723 141:1190 142:1151 143:1256 144:1259 145:331 146:1398 147:1301 148:2218 149:1402 150:801 151:1081 152:1542 153:394 154:2392 155:1324 156:1485 157:1171 158:915 159:2044 160:2129 161:1142 162:3258 163:982 164:1520 165:1391 166:585 167:1808 168:3558 169:678 170:4247 171:770 172:2144 173:2941 174:989 175:1072 176:3110 177:4337 178:2893 179:1962 180:2364 181:2596 182:3166 183:1728 184:2430 185:18205 186:4206 187:3180 188:3296 189:2839 190:8913 191:1375 192:10654 193:8025 194:6596 195:4727 196:2888 197:2181 198:6013 199:6011 200:7397 201:5326 202:10186 203:10076 204:4622 205:3327 206:3484 207:3317 208:4013 209:4649 210:3943 211:2063 212:3671 213:3346 214:1225 215:61 216:6181 217:2542 218:1098 219:477 220:2057 221:969 222:774 223:1731 End of report