Global R&E Routing Table Report 23:15 GMT Wed 21 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 843830 Prefixes after maximum aggregation (per Origin AS): 321433 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 405564 Total ASes present in the Internet Routing Table: 70940 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 60935 Origin ASes announcing only one prefix: 25221 Transit ASes present in the Internet Routing Table: 10005 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: 1046 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 35777 Number of 32-bit ASNs visible in the Routing Table: 29685 Prefixes from 32-bit ASNs in the Routing Table: 133698 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3032322560 Equivalent to 180 /8s, 189 /16s and 146 /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: 289509 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 214791 Total APNIC prefixes after maximum aggregation: 62834 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 210996 Unique aggregates announced from the APNIC address blocks: 89007 APNIC Region origin ASes present in the Internet Routing Table: 11331 APNIC Prefixes per ASN: 18.62 APNIC Region origin ASes announcing only one prefix: 3248 APNIC Region transit ASes present in the Internet Routing Table: 1595 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: 6553 Number of APNIC addresses announced to Internet: 772297472 Equivalent to 46 /8s, 8 /16s and 83 /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: 245296 Total ARIN prefixes after maximum aggregation: 112730 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 245684 Unique aggregates announced from the ARIN address blocks: 117709 ARIN Region origin ASes present in the Internet Routing Table: 18752 ARIN Prefixes per ASN: 13.10 ARIN Region origin ASes announcing only one prefix: 6813 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: 27 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3831 Number of ARIN addresses announced to Internet: 1264355328 Equivalent to 75 /8s, 92 /16s and 136 /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: 244711 Total RIPE prefixes after maximum aggregation: 113770 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240657 Unique aggregates announced from the RIPE address blocks: 141404 RIPE Region origin ASes present in the Internet Routing Table: 27904 RIPE Prefixes per ASN: 8.62 RIPE Region origin ASes announcing only one prefix: 11976 RIPE Region transit ASes present in the Internet Routing Table: 3979 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: 10143 Number of RIPE addresses announced to Internet: 711181056 Equivalent to 42 /8s, 99 /16s and 195 /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: 112151 Total LACNIC prefixes after maximum aggregation: 26385 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 113318 Unique aggregates announced from the LACNIC address blocks: 46938 LACNIC Region origin ASes present in the Internet Routing Table: 10738 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2694 LACNIC Region transit ASes present in the Internet Routing Table: 2024 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: 8361 Number of LACNIC addresses announced to Internet: 176313344 Equivalent to 10 /8s, 130 /16s and 84 /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: 25823 Total AfriNIC prefixes after maximum aggregation: 4944 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 32664 Unique aggregates announced from the AfriNIC address blocks: 10042 AfriNIC Region origin ASes present in the Internet Routing Table: 1452 AfriNIC Prefixes per ASN: 22.50 AfriNIC Region origin ASes announcing only one prefix: 490 AfriNIC Region transit ASes present in the Internet Routing Table: 288 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: 797 Number of AfriNIC addresses announced to Internet: 107751680 Equivalent to 6 /8s, 108 /16s and 41 /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 5730 783 670 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5144 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3531 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3482 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2983 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2334 481 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2209 11358 561 KIXS-AS-KR Korea Telecom, KR 4755 2114 441 191 TATACOMM-AS TATA Communications formerl 45090 2099 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 4998 9331 2224 AMAZON-02, US 11492 4750 315 710 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3928 3005 249 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3443 1778 2438 AKAMAI-AS, US 6327 3361 1317 70 SHAW, CA 30036 2560 373 124 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2529 5039 486 CENTURYLINK-US-LEGACY-QWEST, US 5650 2345 2997 1640 FRONTIER-FRTR, US 5972 2227 451 782 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 3496 TTNET, TR 12479 6471 1725 144 UNI2-AS, ES 8551 3641 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3579 3360 193 AKAMAI-ASN1, NL 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2878 2284 898 ROSTELECOM-AS, RU 9009 2406 246 1286 M247, GB 34984 2216 357 586 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1580 883 574 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 8509 3473 575 Uninet S.A. de C.V., MX 10620 3410 526 614 Telmex Colombia S.A., CO 11830 2494 369 62 Instituto Costarricense de Electricidad 7303 1900 2063 74 Telecom Argentina S.A., AR 13999 1672 447 424 Mega Cable, S.A. de C.V., MX 6503 1444 311 476 Axtel, S.A.B. de C.V., MX 28573 1372 2276 223 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 1004 212 402 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 1444 486 27 RAYA-AS, EG 36992 1203 1537 177 ETISALAT-MISR, EG 36903 1187 529 111 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 47 22 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 8509 3473 575 Uninet S.A. de C.V., MX 47331 7796 1045 3496 TTNET, TR 12479 6471 1725 144 UNI2-AS, ES 7545 5730 783 670 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5144 8995 52 CMNET-GD Guangdong Mobile Communication 16509 4998 9331 2224 AMAZON-02, US 11492 4750 315 710 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3928 3005 249 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3641 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 6471 6327 UNI2-AS, ES 9808 5144 5092 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5730 5060 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7796 4300 TTNET, TR 11492 4750 4040 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3928 3679 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3641 3600 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3531 3475 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 7552 3482 3462 VIETEL-AS-AP Viettel Group, VN 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 /14:1188 /15:1981 /16:13518 /17:8235 /18:13646 /19:25252 /20:40740 /21:50174 /22:104840 /23:89836 /24:493356 /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 6976 7796 TTNET, TR 12479 5424 6471 UNI2-AS, ES 11492 3804 4750 CABLEONE, US 6327 3168 3361 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8551 3104 3641 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 8151 3075 8509 Uninet S.A. de C.V., MX 22773 2958 3928 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2233 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) ---------------------------------------------- 1:1879 2:1103 3:111 4:19 5:3524 6:65 7:5 8:1484 11:36 12:1748 13:357 14:2199 15:76 16:15 17:320 18:93 20:122 22:188 23:4647 24:2398 25:2 27:2519 29:19 31:2330 32:107 34:2 35:40 36:1242 37:3765 38:2069 39:577 40:160 41:3758 42:924 43:2097 44:237 45:14978 46:3654 47:318 49:1608 50:1772 51:92 52:1234 54:220 55:755 56:8 57:59 58:1605 59:1054 60:887 61:2245 62:2216 63:1957 64:5303 65:2371 66:5145 67:2878 68:1158 69:4052 70:1399 71:689 72:3166 74:2584 75:1485 76:685 77:2029 78:3697 79:2778 80:1867 81:1661 82:1351 83:1118 84:1258 85:3380 86:704 87:1790 88:2702 89:3010 90:440 91:7325 92:1742 93:2537 94:3103 95:4421 96:1264 97:344 98:988 99:969 100:76 101:1197 102:1407 103:25744 104:3729 105:435 106:720 107:2251 108:705 109:4020 110:1893 111:2702 112:1857 113:1293 114:1454 115:1925 116:1804 117:2191 118:2257 119:1837 120:1067 121:997 122:2213 123:2196 124:1513 125:1906 128:1317 129:960 130:838 131:2032 132:744 133:355 134:1585 135:287 136:735 137:923 138:2305 139:1177 140:725 141:1190 142:1145 143:1263 144:1261 145:331 146:1393 147:1298 148:2217 149:1404 150:803 151:1083 152:1542 153:393 154:2320 155:1321 156:1495 157:1167 158:918 159:2048 160:2125 161:1124 162:3268 163:979 164:1513 165:1367 166:586 167:1809 168:3555 169:674 170:4268 171:765 172:2139 173:2940 174:988 175:1073 176:3109 177:4341 178:2897 179:1958 180:2364 181:2590 182:3160 183:1638 184:2427 185:18211 186:4192 187:3185 188:3295 189:2862 190:8875 191:1378 192:10650 193:8019 194:6603 195:4728 196:2893 197:2181 198:6013 199:6008 200:7393 201:5322 202:10211 203:10065 204:4617 205:3322 206:3480 207:3311 208:4009 209:4631 210:3939 211:2062 212:3666 213:3337 214:1226 215:61 216:6171 217:2533 218:1034 219:476 220:2054 221:959 222:773 223:1698 End of report