Global R&E Routing Table Report 23:15 GMT Mon 12 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 842640 Prefixes after maximum aggregation (per Origin AS): 321144 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 406198 Total ASes present in the Internet Routing Table: 70832 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 60830 Origin ASes announcing only one prefix: 25174 Transit ASes present in the Internet Routing Table: 10002 Transit-only ASes present in the Internet Routing Table: 335 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: 1028 Number of instances of unregistered ASNs: 1047 Number of 32-bit ASNs allocated by the RIRs: 35676 Number of 32-bit ASNs visible in the Routing Table: 29572 Prefixes from 32-bit ASNs in the Routing Table: 133482 Number of bogon 32-bit ASNs visible in the Routing Table: 38 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 530 Number of addresses announced to Internet: 2947230464 Equivalent to 175 /8s, 171 /16s and 43 /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: 289139 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 214583 Total APNIC prefixes after maximum aggregation: 62778 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 210734 Unique aggregates announced from the APNIC address blocks: 88804 APNIC Region origin ASes present in the Internet Routing Table: 11284 APNIC Prefixes per ASN: 18.68 APNIC Region origin ASes announcing only one prefix: 3226 APNIC Region transit ASes present in the Internet Routing Table: 1590 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: 6509 Number of APNIC addresses announced to Internet: 772205568 Equivalent to 46 /8s, 6 /16s and 236 /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: 244736 Total ARIN prefixes after maximum aggregation: 112533 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 245186 Unique aggregates announced from the ARIN address blocks: 117599 ARIN Region origin ASes present in the Internet Routing Table: 18735 ARIN Prefixes per ASN: 13.09 ARIN Region origin ASes announcing only one prefix: 6804 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: 40 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3812 Number of ARIN addresses announced to Internet: 1181193216 Equivalent to 70 /8s, 103 /16s and 148 /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: 244161 Total RIPE prefixes after maximum aggregation: 113568 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240104 Unique aggregates announced from the RIPE address blocks: 141098 RIPE Region origin ASes present in the Internet Routing Table: 27860 RIPE Prefixes per ASN: 8.62 RIPE Region origin ASes announcing only one prefix: 11964 RIPE Region transit ASes present in the Internet Routing Table: 3992 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: 10101 Number of RIPE addresses announced to Internet: 710773504 Equivalent to 42 /8s, 93 /16s and 139 /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: 112439 Total LACNIC prefixes after maximum aggregation: 26583 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 113588 Unique aggregates announced from the LACNIC address blocks: 48275 LACNIC Region origin ASes present in the Internet Routing Table: 10743 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2683 LACNIC Region transit ASes present in the Internet Routing Table: 2021 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8360 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: 25681 Total AfriNIC prefixes after maximum aggregation: 4916 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 32498 Unique aggregates announced from the AfriNIC address blocks: 9943 AfriNIC Region origin ASes present in the Internet Routing Table: 1447 AfriNIC Prefixes per ASN: 22.46 AfriNIC Region origin ASes announcing only one prefix: 497 AfriNIC Region transit ASes present in the Internet Routing Table: 291 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: 790 Number of AfriNIC addresses announced to Internet: 107686912 Equivalent to 6 /8s, 107 /16s and 44 /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 5715 783 674 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5133 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3523 1022 55 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3510 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 3001 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2325 473 234 BBIL-AP BHARTI Airtel Ltd., IN 4766 2203 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 4959 9324 2218 AMAZON-02, US 11492 4758 315 699 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3901 2997 242 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3382 1755 2413 AKAMAI-AS, US 6327 3358 1317 70 SHAW, CA 30036 2557 373 98 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2530 5055 487 CENTURYLINK-US-LEGACY-QWEST, US 5650 2342 2996 1636 FRONTIER-FRTR, US 5972 2226 449 793 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 7768 1044 3493 TTNET, TR 12479 6410 1724 144 UNI2-AS, ES 8551 3650 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3561 3360 193 AKAMAI-ASN1, NL 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2874 2284 898 ROSTELECOM-AS, RU 9009 2381 247 1279 M247, GB 34984 2215 357 587 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1574 882 573 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 8489 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 1703 1428 309 Telecom Argentina S.A., AR 13999 1660 447 428 Mega Cable, S.A. de C.V., MX 6503 1444 311 476 Axtel, S.A.B. de C.V., MX 28573 1376 2271 222 CLARO S.A., BR 3816 1221 638 157 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 36903 1189 530 107 MT-MPLS, MA 36992 1134 1527 176 ETISALAT-MISR, EG 29571 719 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 478 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 8489 3473 570 Uninet S.A. de C.V., MX 47331 7768 1044 3493 TTNET, TR 12479 6410 1724 144 UNI2-AS, ES 7545 5715 783 674 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5133 8995 52 CMNET-GD Guangdong Mobile Communication 16509 4959 9324 2218 AMAZON-02, US 11492 4758 315 699 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3901 2997 242 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3650 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 6410 6266 UNI2-AS, ES 9808 5133 5081 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5715 5041 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7768 4275 TTNET, TR 11492 4758 4059 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3901 3659 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3650 3609 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3510 3490 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 /16:13499 /17:8217 /18:13631 /19:25328 /20:40679 /21:50179 /22:104670 /23:89769 /24:492454 /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 6945 7768 TTNET, TR 12479 5362 6410 UNI2-AS, ES 11492 3812 4758 CABLEONE, US 6327 3165 3358 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8551 3113 3650 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 8151 3061 8489 Uninet S.A. de C.V., MX 22773 2950 3901 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2237 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) ---------------------------------------------- 1:1880 2:1105 3:109 4:19 5:3545 6:64 7:5 8:1479 11:36 12:1746 13:358 14:2208 15:74 16:15 17:317 18:93 20:122 22:188 23:4619 24:2401 25:2 27:2494 29:19 31:2306 32:107 34:2 35:40 36:1245 37:3766 38:2064 39:575 40:160 41:3733 42:923 43:2090 44:238 45:14930 46:3656 47:320 49:1609 50:1758 51:92 52:1217 54:219 55:718 56:8 57:58 58:1612 59:1057 60:887 61:2265 62:2218 63:1957 64:5295 65:2374 66:5125 67:2873 68:1152 69:4039 70:1397 71:688 72:3164 74:2574 75:1485 76:683 77:2021 78:3676 79:2811 80:1865 81:1650 82:1344 83:1115 84:1252 85:3345 86:704 87:1778 88:2701 89:3008 90:435 91:7304 92:1745 93:2540 94:3095 95:4418 96:1262 97:345 98:986 99:968 100:74 101:1201 102:1362 103:25594 104:3706 105:436 106:722 107:2244 108:706 109:3998 110:1879 111:2711 112:1857 113:1310 114:1452 115:1911 116:1804 117:2193 118:2264 119:1831 120:1068 121:1002 122:2210 123:2195 124:1514 125:1905 128:1322 129:951 130:820 131:2045 132:749 133:355 134:1590 135:288 136:740 137:920 138:2300 139:1179 140:732 141:1186 142:1110 143:1266 144:1255 145:328 146:1379 147:1292 148:2213 149:1438 150:801 151:1078 152:1546 153:393 154:2340 155:1324 156:1490 157:1162 158:924 159:2019 160:2118 161:1133 162:3251 163:971 164:1508 165:1338 166:585 167:1809 168:3550 169:663 170:4240 171:767 172:2122 173:2936 174:971 175:1069 176:3098 177:4354 178:2894 179:1954 180:2355 181:2587 182:3169 183:1626 184:2428 185:18154 186:4199 187:3176 188:3279 189:2806 190:8914 191:1463 192:10636 193:7983 194:6575 195:4709 196:2915 197:2183 198:5997 199:6007 200:7396 201:5357 202:10212 203:10033 204:4617 205:3323 206:3465 207:3312 208:3997 209:4639 210:3960 211:2057 212:3680 213:3315 214:1219 215:61 216:6180 217:2521 218:1034 219:473 220:2049 221:959 222:787 223:1687 End of report