Global R&E Routing Table Report 23:15 GMT Mon 26 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 844307 Prefixes after maximum aggregation (per Origin AS): 321447 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 405993 Total ASes present in the Internet Routing Table: 70983 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 60941 Origin ASes announcing only one prefix: 25212 Transit ASes present in the Internet Routing Table: 10042 Transit-only ASes present in the Internet Routing Table: 327 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: 1067 Number of instances of unregistered ASNs: 1082 Number of 32-bit ASNs allocated by the RIRs: 35837 Number of 32-bit ASNs visible in the Routing Table: 29750 Prefixes from 32-bit ASNs in the Routing Table: 134085 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: 528 Number of addresses announced to Internet: 3031760128 Equivalent to 180 /8s, 180 /16s and 253 /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: 289450 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 215065 Total APNIC prefixes after maximum aggregation: 62994 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 211191 Unique aggregates announced from the APNIC address blocks: 89193 APNIC Region origin ASes present in the Internet Routing Table: 11390 APNIC Prefixes per ASN: 18.54 APNIC Region origin ASes announcing only one prefix: 3255 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: 6603 Number of APNIC addresses announced to Internet: 772368640 Equivalent to 46 /8s, 9 /16s and 105 /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: 245763 Total ARIN prefixes after maximum aggregation: 112677 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 246166 Unique aggregates announced from the ARIN address blocks: 117732 ARIN Region origin ASes present in the Internet Routing Table: 18746 ARIN Prefixes per ASN: 13.13 ARIN Region origin ASes announcing only one prefix: 6806 ARIN Region transit ASes present in the Internet Routing Table: 1938 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: 1264047104 Equivalent to 75 /8s, 87 /16s and 212 /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: 244390 Total RIPE prefixes after maximum aggregation: 113715 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240378 Unique aggregates announced from the RIPE address blocks: 141455 RIPE Region origin ASes present in the Internet Routing Table: 27892 RIPE Prefixes per ASN: 8.62 RIPE Region origin ASes announcing only one prefix: 11974 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: 10152 Number of RIPE addresses announced to Internet: 711066368 Equivalent to 42 /8s, 98 /16s and 3 /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: 112250 Total LACNIC prefixes after maximum aggregation: 26356 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 113414 Unique aggregates announced from the LACNIC address blocks: 46899 LACNIC Region origin ASes present in the Internet Routing Table: 10748 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2688 LACNIC Region transit ASes present in the Internet Routing Table: 2043 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: 176345856 Equivalent to 10 /8s, 130 /16s and 211 /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: 25760 Total AfriNIC prefixes after maximum aggregation: 4935 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 32630 Unique aggregates announced from the AfriNIC address blocks: 10228 AfriNIC Region origin ASes present in the Internet Routing Table: 1449 AfriNIC Prefixes per ASN: 22.52 AfriNIC Region origin ASes announcing only one prefix: 489 AfriNIC Region transit ASes present in the Internet Routing Table: 294 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: 794 Number of AfriNIC addresses announced to Internet: 107504896 Equivalent to 6 /8s, 104 /16s and 101 /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 5737 783 669 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5181 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3515 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3492 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2884 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2335 481 235 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 5027 9346 2219 AMAZON-02, US 11492 4756 315 690 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3937 3005 248 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3449 1779 2439 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 2233 452 781 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 1046 3502 TTNET, TR 12479 6489 1725 145 UNI2-AS, ES 20940 3567 3359 190 AKAMAI-ASN1, NL 8551 3541 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2880 2284 897 ROSTELECOM-AS, RU 9009 2419 247 1293 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 8522 3473 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 1896 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 1129 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 1588 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 550 1863 34 IAM-AS, MA 36935 517 522 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 8522 3473 575 Uninet S.A. de C.V., MX 47331 7796 1046 3502 TTNET, TR 12479 6489 1725 145 UNI2-AS, ES 7545 5737 783 669 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5181 8995 52 CMNET-GD Guangdong Mobile Communication 16509 5027 9346 2219 AMAZON-02, US 11492 4756 315 690 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3937 3005 248 ASN-CXA-ALL-CCI-22773-RDC, US 20940 3567 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 6489 6344 UNI2-AS, ES 9808 5181 5129 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5737 5068 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7796 4294 TTNET, TR 11492 4756 4066 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3937 3689 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3541 3501 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3492 3472 VIETEL-AS-AP Viettel Group, VN 7713 3515 3459 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 /13:584 /14:1187 /15:1981 /16:13502 /17:8224 /18:13635 /19:25245 /20:40611 /21:50173 /22:104788 /23:89959 /24:493938 /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 6974 7796 TTNET, TR 12479 5442 6489 UNI2-AS, ES 11492 3804 4756 CABLEONE, US 6327 3168 3361 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8151 3089 8522 Uninet S.A. de C.V., MX 8551 3005 3541 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2967 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) ---------------------------------------------- 1:1884 2:1103 3:111 4:19 5:3534 6:65 7:5 8:1482 11:164 12:1751 13:359 14:2201 15:76 16:15 17:320 18:93 20:122 21:1 22:188 23:4650 24:2399 25:2 27:2524 29:19 31:2328 32:107 34:2 35:39 36:1247 37:3763 38:2068 39:578 40:159 41:3756 42:924 43:2103 44:238 45:14973 46:3662 47:319 49:1608 50:1775 51:92 52:1238 54:225 55:761 56:8 57:59 58:1595 59:1060 60:888 61:2241 62:2231 63:1960 64:5318 65:2382 66:5137 67:2880 68:1155 69:4058 70:1400 71:689 72:3164 74:2578 75:1487 76:686 77:2024 78:3691 79:2707 80:1871 81:1654 82:1362 83:1120 84:1264 85:3374 86:704 87:1797 88:2695 89:3011 90:443 91:7317 92:1741 93:2518 94:3109 95:4431 96:1259 97:345 98:990 99:968 100:76 101:1207 102:1413 103:25859 104:3733 105:430 106:719 107:2260 108:708 109:4003 110:1892 111:2715 112:1859 113:1296 114:1457 115:1930 116:1803 117:2202 118:2255 119:1840 120:1072 121:998 122:2208 123:2193 124:1513 125:1899 128:1315 129:1087 130:837 131:2017 132:740 133:356 134:1589 135:289 136:739 137:923 138:2299 139:1167 140:727 141:1189 142:1152 143:1271 144:1257 145:330 146:1398 147:1300 148:2216 149:1401 150:804 151:1077 152:1549 153:394 154:2395 155:1325 156:1487 157:1172 158:917 159:2042 160:2130 161:1139 162:3260 163:982 164:1527 165:1396 166:585 167:1808 168:3553 169:679 170:4245 171:771 172:2143 173:2936 174:990 175:1073 176:3097 177:4331 178:2888 179:1961 180:2362 181:2596 182:3160 183:1641 184:2428 185:18209 186:4217 187:3173 188:3292 189:2856 190:8888 191:1383 192:10655 193:8028 194:6600 195:4725 196:2889 197:2185 198:6004 199:6006 200:7392 201:5331 202:10202 203:10072 204:4617 205:3330 206:3485 207:3318 208:4011 209:4652 210:3943 211:2063 212:3659 213:3340 214:1232 215:61 216:6180 217:2544 218:1039 219:477 220:2056 221:944 222:774 223:1701 End of report