Global R&E Routing Table Report 23:15 GMT Tue 13 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 842733 Prefixes after maximum aggregation (per Origin AS): 321229 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 406319 Total ASes present in the Internet Routing Table: 70831 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 60836 Origin ASes announcing only one prefix: 25160 Transit ASes present in the Internet Routing Table: 9995 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: 35683 Number of 32-bit ASNs visible in the Routing Table: 29588 Prefixes from 32-bit ASNs in the Routing Table: 133619 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: 531 Number of addresses announced to Internet: 2947438080 Equivalent to 175 /8s, 174 /16s and 86 /24s Percentage of available address space announced: 79.6 Percentage of allocated address space announced: 79.6 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: 289277 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 214591 Total APNIC prefixes after maximum aggregation: 62772 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 210737 Unique aggregates announced from the APNIC address blocks: 88889 APNIC Region origin ASes present in the Internet Routing Table: 11289 APNIC Prefixes per ASN: 18.67 APNIC Region origin ASes announcing only one prefix: 3231 APNIC Region transit ASes present in the Internet Routing Table: 1594 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: 6521 Number of APNIC addresses announced to Internet: 772204288 Equivalent to 46 /8s, 6 /16s and 231 /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: 244820 Total ARIN prefixes after maximum aggregation: 112604 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 245277 Unique aggregates announced from the ARIN address blocks: 117581 ARIN Region origin ASes present in the Internet Routing Table: 18739 ARIN Prefixes per ASN: 13.09 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: 3815 Number of ARIN addresses announced to Internet: 1181216512 Equivalent to 70 /8s, 103 /16s and 239 /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: 244094 Total RIPE prefixes after maximum aggregation: 113620 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240093 Unique aggregates announced from the RIPE address blocks: 141128 RIPE Region origin ASes present in the Internet Routing Table: 27855 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: 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: 10108 Number of RIPE addresses announced to Internet: 710910976 Equivalent to 42 /8s, 95 /16s and 164 /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: 112460 Total LACNIC prefixes after maximum aggregation: 26548 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 113613 Unique aggregates announced from the LACNIC address blocks: 48269 LACNIC Region origin ASes present in the Internet Routing Table: 10738 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2015 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: 8355 Number of LACNIC addresses announced to Internet: 174942720 Equivalent to 10 /8s, 109 /16s and 106 /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: 25725 Total AfriNIC prefixes after maximum aggregation: 4918 AfriNIC Deaggregation factor: 5.23 Prefixes being announced from the AfriNIC address blocks: 32482 Unique aggregates announced from the AfriNIC address blocks: 9972 AfriNIC Region origin ASes present in the Internet Routing Table: 1446 AfriNIC Prefixes per ASN: 22.46 AfriNIC Region origin ASes announcing only one prefix: 496 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: 789 Number of AfriNIC addresses announced to Internet: 107734784 Equivalent to 6 /8s, 107 /16s and 231 /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 5696 783 674 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5142 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3523 1022 55 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3492 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 3001 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2324 473 234 BBIL-AP BHARTI Airtel Ltd., IN 4766 2207 11358 560 KIXS-AS-KR Korea Telecom, KR 4755 2121 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 4937 9321 2208 AMAZON-02, US 11492 4757 315 704 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3901 2997 242 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3389 1758 2415 AKAMAI-AS, US 6327 3358 1317 70 SHAW, CA 30036 2558 373 99 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2530 5055 488 CENTURYLINK-US-LEGACY-QWEST, US 5650 2341 2996 1636 FRONTIER-FRTR, US 5972 2220 448 799 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 7779 1045 3492 TTNET, TR 12479 6413 1724 143 UNI2-AS, ES 8551 3594 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3559 3360 193 AKAMAI-ASN1, NL 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2879 2284 898 ROSTELECOM-AS, RU 9009 2385 246 1281 M247, GB 34984 2215 357 587 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1576 882 574 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 8493 3473 570 Uninet S.A. de C.V., MX 10620 3409 527 603 Telmex Colombia S.A., CO 11830 2552 369 63 Instituto Costarricense de Electricidad 7303 1878 1733 301 Telecom Argentina S.A., AR 13999 1661 447 429 Mega Cable, S.A. de C.V., MX 6503 1444 311 476 Axtel, S.A.B. de C.V., MX 28573 1377 2271 222 CLARO S.A., BR 3816 1222 639 158 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1128 377 39 Telefonica del Peru S.A.A., PE 11664 1004 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 1584 393 22 LINKdotNET-AS, EG 24835 1443 486 27 RAYA-AS, EG 36992 1200 1537 176 ETISALAT-MISR, EG 36903 1189 530 107 MT-MPLS, MA 29571 720 68 11 ORANGE-COTE-IVOIRE, CI 6713 549 1863 34 IAM-AS, MA 36935 514 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 477 47 17 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 8493 3473 570 Uninet S.A. de C.V., MX 47331 7779 1045 3492 TTNET, TR 12479 6413 1724 143 UNI2-AS, ES 7545 5696 783 674 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5142 8995 52 CMNET-GD Guangdong Mobile Communication 16509 4937 9321 2208 AMAZON-02, US 11492 4757 315 704 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3901 2997 242 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3594 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 6413 6270 UNI2-AS, ES 9808 5142 5090 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5696 5022 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7779 4287 TTNET, TR 11492 4757 4053 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3901 3659 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3594 3553 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3492 3472 VIETEL-AS-AP Viettel Group, VN 7713 3523 3468 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: 397881 STINGERS, US Transit: 398481 REDMERCURY, 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 /8:12 /9:12 /10:39 /11:100 /12:294 /13:582 /14:1184 /15:1979 /16:13498 /17:8221 /18:13618 /19:25301 /20:40678 /21:50171 /22:104634 /23:89758 /24:492640 /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 6956 7779 TTNET, TR 12479 5365 6413 UNI2-AS, ES 11492 3811 4757 CABLEONE, US 6327 3165 3358 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8151 3065 8493 Uninet S.A. de C.V., MX 8551 3057 3594 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2950 3901 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2237 2558 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1880 2:1106 3:109 4:19 5:3558 6:64 7:5 8:1480 11:36 12:1747 13:357 14:2196 15:74 16:15 17:320 18:93 20:122 22:188 23:4624 24:2402 25:2 27:2489 29:19 31:2307 32:107 34:2 35:40 36:1245 37:3766 38:2065 39:577 40:161 41:3761 42:923 43:2096 44:236 45:14939 46:3641 47:319 49:1610 50:1758 51:92 52:1213 54:215 55:756 56:8 57:58 58:1611 59:1056 60:886 61:2263 62:2221 63:1958 64:5294 65:2373 66:5130 67:2875 68:1152 69:4049 70:1397 71:688 72:3165 74:2573 75:1485 76:683 77:2022 78:3686 79:2768 80:1865 81:1654 82:1332 83:1115 84:1254 85:3348 86:703 87:1777 88:2698 89:3010 90:435 91:7306 92:1744 93:2546 94:3091 95:4421 96:1262 97:345 98:988 99:969 100:74 101:1200 102:1365 103:25593 104:3710 105:436 106:722 107:2242 108:706 109:3971 110:1879 111:2712 112:1856 113:1310 114:1441 115:1919 116:1810 117:2196 118:2266 119:1830 120:1071 121:1001 122:2209 123:2196 124:1515 125:1903 128:1321 129:949 130:822 131:2050 132:748 133:355 134:1590 135:290 136:735 137:921 138:2297 139:1172 140:732 141:1188 142:1112 143:1248 144:1256 145:331 146:1378 147:1292 148:2215 149:1440 150:800 151:1078 152:1545 153:393 154:2344 155:1325 156:1493 157:1161 158:925 159:2020 160:2118 161:1119 162:3253 163:971 164:1506 165:1340 166:585 167:1813 168:3550 169:660 170:4245 171:766 172:2124 173:2937 174:986 175:1077 176:3095 177:4358 178:2899 179:1955 180:2355 181:2582 182:3168 183:1631 184:2426 185:18169 186:4213 187:3188 188:3283 189:2853 190:8918 191:1462 192:10635 193:7988 194:6581 195:4713 196:2909 197:2179 198:6003 199:6008 200:7384 201:5355 202:10220 203:10061 204:4611 205:3322 206:3466 207:3308 208:4002 209:4641 210:3960 211:2060 212:3685 213:3314 214:1218 215:61 216:6180 217:2532 218:1034 219:473 220:2041 221:959 222:788 223:1687 End of report