Global R&E Routing Table Report 23:15 GMT Sun 18 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 843734 Prefixes after maximum aggregation (per Origin AS): 321357 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 405673 Total ASes present in the Internet Routing Table: 70889 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 60872 Origin ASes announcing only one prefix: 25197 Transit ASes present in the Internet Routing Table: 10017 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: 1018 Number of instances of unregistered ASNs: 1033 Number of 32-bit ASNs allocated by the RIRs: 35756 Number of 32-bit ASNs visible in the Routing Table: 29648 Prefixes from 32-bit ASNs in the Routing Table: 133668 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: 518 Number of addresses announced to Internet: 2948758272 Equivalent to 175 /8s, 194 /16s and 123 /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: 289617 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 214856 Total APNIC prefixes after maximum aggregation: 62853 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 211007 Unique aggregates announced from the APNIC address blocks: 89030 APNIC Region origin ASes present in the Internet Routing Table: 11315 APNIC Prefixes per ASN: 18.65 APNIC Region origin ASes announcing only one prefix: 3230 APNIC Region transit ASes present in the Internet Routing Table: 1599 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: 6542 Number of APNIC addresses announced to Internet: 772262144 Equivalent to 46 /8s, 7 /16s and 201 /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: 245051 Total ARIN prefixes after maximum aggregation: 112720 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 245519 Unique aggregates announced from the ARIN address blocks: 117686 ARIN Region origin ASes present in the Internet Routing Table: 18750 ARIN Prefixes per ASN: 13.09 ARIN Region origin ASes announcing only one prefix: 6815 ARIN Region transit ASes present in the Internet Routing Table: 1931 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: 3826 Number of ARIN addresses announced to Internet: 1180815872 Equivalent to 70 /8s, 97 /16s and 210 /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: 244610 Total RIPE prefixes after maximum aggregation: 113753 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240535 Unique aggregates announced from the RIPE address blocks: 141397 RIPE Region origin ASes present in the Internet Routing Table: 27875 RIPE Prefixes per ASN: 8.63 RIPE Region origin ASes announcing only one prefix: 11967 RIPE Region transit ASes present in the Internet Routing Table: 3989 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: 10128 Number of RIPE addresses announced to Internet: 711247616 Equivalent to 42 /8s, 100 /16s and 199 /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: 112405 Total LACNIC prefixes after maximum aggregation: 26347 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 113538 Unique aggregates announced from the LACNIC address blocks: 47091 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: 2695 LACNIC Region transit ASes present in the Internet Routing Table: 2026 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: 8360 Number of LACNIC addresses announced to Internet: 176334080 Equivalent to 10 /8s, 130 /16s and 165 /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: 25782 Total AfriNIC prefixes after maximum aggregation: 4923 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 32617 Unique aggregates announced from the AfriNIC address blocks: 9998 AfriNIC Region origin ASes present in the Internet Routing Table: 1445 AfriNIC Prefixes per ASN: 22.57 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: 792 Number of AfriNIC addresses announced to Internet: 107673088 Equivalent to 6 /8s, 106 /16s and 246 /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 783 673 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5144 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3523 1022 55 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3476 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2981 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2333 481 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2207 11358 560 KIXS-AS-KR Korea Telecom, KR 4755 2118 441 191 TATACOMM-AS TATA Communications formerl 45090 2099 1197 72 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 23969 1943 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 4993 9334 2229 AMAZON-02, US 11492 4747 315 716 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3920 3005 248 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3377 1751 2411 AKAMAI-AS, US 6327 3359 1317 70 SHAW, CA 30036 2553 372 133 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2530 5039 487 CENTURYLINK-US-LEGACY-QWEST, US 5650 2341 2996 1636 FRONTIER-FRTR, US 5972 2224 450 782 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 7789 1044 3502 TTNET, TR 12479 6436 1724 143 UNI2-AS, ES 8551 3641 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3576 3360 193 AKAMAI-ASN1, NL 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2877 2284 898 ROSTELECOM-AS, RU 9009 2396 246 1282 M247, GB 34984 2215 357 587 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1580 883 575 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 8497 3473 571 Uninet S.A. de C.V., MX 10620 3409 526 613 Telmex Colombia S.A., CO 11830 2494 369 62 Instituto Costarricense de Electricidad 7303 1899 2063 74 Telecom Argentina S.A., AR 13999 1664 447 430 Mega Cable, S.A. de C.V., MX 6503 1444 311 476 Axtel, S.A.B. de C.V., MX 28573 1380 2274 223 CLARO S.A., BR 3816 1224 640 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1128 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 1586 393 22 LINKdotNET-AS, EG 24835 1443 486 27 RAYA-AS, EG 36992 1200 1537 176 ETISALAT-MISR, EG 36903 1187 529 111 MT-MPLS, MA 29571 726 68 11 ORANGE-COTE-IVOIRE, CI 6713 549 1863 34 IAM-AS, MA 36935 516 522 40 Vodafone-, EG 37342 487 32 1 MOVITEL, MZ 15399 478 47 18 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 8497 3473 571 Uninet S.A. de C.V., MX 47331 7789 1044 3502 TTNET, TR 12479 6436 1724 143 UNI2-AS, ES 7545 5730 783 673 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5144 8995 52 CMNET-GD Guangdong Mobile Communication 16509 4993 9334 2229 AMAZON-02, US 11492 4747 315 716 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3920 3005 248 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 6436 6293 UNI2-AS, ES 9808 5144 5092 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5730 5057 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7789 4287 TTNET, TR 11492 4747 4031 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3920 3672 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3641 3600 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3523 3468 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 7552 3476 3456 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 7029 WINDSTREAM, 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 /12:297 /13:583 /14:1188 /15:1983 /16:13521 /17:8249 /18:13647 /19:25240 /20:40722 /21:50197 /22:104696 /23:89805 /24:493431 /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 6969 7789 TTNET, TR 12479 5389 6436 UNI2-AS, ES 11492 3801 4747 CABLEONE, US 6327 3166 3359 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8551 3104 3641 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 8151 3067 8497 Uninet S.A. de C.V., MX 22773 2953 3920 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2230 2553 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1882 2:1107 3:110 4:19 5:3550 6:64 7:5 8:1484 11:36 12:1749 13:358 14:2199 15:75 16:15 17:320 18:93 20:122 22:188 23:4645 24:2396 25:2 27:2518 29:19 31:2327 32:107 34:2 35:40 36:1243 37:3768 38:2073 39:577 40:160 41:3760 42:923 43:2100 44:237 45:14932 46:3650 47:319 49:1607 50:1764 51:92 52:1224 54:217 55:760 56:8 57:58 58:1607 59:1054 60:888 61:2269 62:2218 63:1957 64:5293 65:2370 66:5143 67:2877 68:1153 69:4054 70:1398 71:688 72:3162 74:2580 75:1485 76:686 77:2024 78:3695 79:2772 80:1866 81:1660 82:1335 83:1117 84:1257 85:3365 86:703 87:1783 88:2704 89:3014 90:433 91:7323 92:1744 93:2542 94:3098 95:4432 96:1263 97:345 98:987 99:971 100:75 101:1199 102:1385 103:25751 104:3717 105:435 106:722 107:2246 108:706 109:4027 110:1889 111:2711 112:1856 113:1298 114:1451 115:1922 116:1801 117:2189 118:2271 119:1835 120:1066 121:998 122:2212 123:2197 124:1515 125:1904 128:1313 129:955 130:826 131:2038 132:745 133:355 134:1605 135:294 136:738 137:926 138:2316 139:1174 140:726 141:1189 142:1144 143:1259 144:1258 145:330 146:1383 147:1294 148:2214 149:1408 150:801 151:1080 152:1538 153:394 154:2341 155:1319 156:1486 157:1166 158:918 159:2046 160:2119 161:1124 162:3267 163:977 164:1509 165:1356 166:585 167:1813 168:3563 169:667 170:4256 171:765 172:2132 173:2934 174:987 175:1078 176:3108 177:4369 178:2896 179:1952 180:2356 181:2591 182:3173 183:1636 184:2424 185:18185 186:4240 187:3199 188:3297 189:2853 190:8944 191:1429 192:10638 193:7998 194:6595 195:4718 196:2887 197:2182 198:6011 199:6004 200:7382 201:5360 202:10212 203:10060 204:4613 205:3335 206:3483 207:3315 208:4006 209:4641 210:3960 211:2070 212:3684 213:3345 214:1221 215:61 216:6170 217:2524 218:1034 219:476 220:2048 221:959 222:782 223:1697 End of report