Global R&E Routing Table Report 23:15 GMT Thu 15 Apr, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/singapore/ Analysis Summary ---------------- BGP routing table entries examined: 843297 Prefixes after maximum aggregation (per Origin AS): 321275 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 405426 Total ASes present in the Internet Routing Table: 70861 Prefixes per ASN: 11.90 Origin-only ASes present in the Internet Routing Table: 60862 Origin ASes announcing only one prefix: 25193 Transit ASes present in the Internet Routing Table: 9999 Transit-only ASes present in the Internet Routing Table: 330 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: 1015 Number of instances of unregistered ASNs: 1030 Number of 32-bit ASNs allocated by the RIRs: 35712 Number of 32-bit ASNs visible in the Routing Table: 29611 Prefixes from 32-bit ASNs in the Routing Table: 133642 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: 527 Number of addresses announced to Internet: 2949062144 Equivalent to 175 /8s, 199 /16s and 30 /24s Percentage of available address space announced: 79.7 Percentage of allocated address space announced: 79.7 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: 289381 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 214858 Total APNIC prefixes after maximum aggregation: 62863 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 211031 Unique aggregates announced from the APNIC address blocks: 88985 APNIC Region origin ASes present in the Internet Routing Table: 11302 APNIC Prefixes per ASN: 18.67 APNIC Region origin ASes announcing only one prefix: 3228 APNIC Region transit ASes present in the Internet Routing Table: 1598 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: 6527 Number of APNIC addresses announced to Internet: 772248064 Equivalent to 46 /8s, 7 /16s and 146 /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: 245003 Total ARIN prefixes after maximum aggregation: 112647 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 245435 Unique aggregates announced from the ARIN address blocks: 117659 ARIN Region origin ASes present in the Internet Routing Table: 18745 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: 1932 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: 3818 Number of ARIN addresses announced to Internet: 1181182208 Equivalent to 70 /8s, 103 /16s and 105 /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: 244439 Total RIPE prefixes after maximum aggregation: 113688 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 240374 Unique aggregates announced from the RIPE address blocks: 141294 RIPE Region origin ASes present in the Internet Routing Table: 27872 RIPE Prefixes per ASN: 8.62 RIPE Region origin ASes announcing only one prefix: 11966 RIPE Region transit ASes present in the Internet Routing Table: 3984 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: 10117 Number of RIPE addresses announced to Internet: 711259904 Equivalent to 42 /8s, 100 /16s and 247 /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: 112354 Total LACNIC prefixes after maximum aggregation: 26322 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 113507 Unique aggregates announced from the LACNIC address blocks: 47030 LACNIC Region origin ASes present in the Internet Routing Table: 10740 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2690 LACNIC Region transit ASes present in the Internet Routing Table: 2021 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: 8356 Number of LACNIC addresses announced to Internet: 176189696 Equivalent to 10 /8s, 128 /16s and 113 /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: 25616 Total AfriNIC prefixes after maximum aggregation: 5000 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 32423 Unique aggregates announced from the AfriNIC address blocks: 9980 AfriNIC Region origin ASes present in the Internet Routing Table: 1449 AfriNIC Prefixes per ASN: 22.38 AfriNIC Region origin ASes announcing only one prefix: 494 AfriNIC Region transit ASes present in the Internet Routing Table: 289 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: 793 Number of AfriNIC addresses announced to Internet: 107752704 Equivalent to 6 /8s, 108 /16s and 45 /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 5707 783 674 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5145 8995 52 CMNET-GD Guangdong Mobile Communication 7713 3523 1022 55 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3484 1330 20 VIETEL-AS-AP Viettel Group, VN 45899 2981 1896 54 VNPT-AS-VN VNPT Corp, VN 9498 2329 473 235 BBIL-AP BHARTI Airtel Ltd., IN 4766 2207 11358 560 KIXS-AS-KR Korea Telecom, KR 4755 2117 441 190 TATACOMM-AS TATA Communications formerl 45090 2099 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 4968 9326 2214 AMAZON-02, US 11492 4749 315 711 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3917 3004 247 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3389 1758 2415 AKAMAI-AS, US 6327 3359 1317 70 SHAW, CA 30036 2562 374 93 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2530 5055 488 CENTURYLINK-US-LEGACY-QWEST, US 5650 2343 2996 1636 FRONTIER-FRTR, US 5972 2221 450 786 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 7787 1044 3498 TTNET, TR 12479 6435 1724 143 UNI2-AS, ES 8551 3610 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3576 3360 193 AKAMAI-ASN1, NL 39891 3266 187 22 ALJAWWALSTC-AS, SA 12389 2876 2284 898 ROSTELECOM-AS, RU 9009 2387 246 1284 M247, GB 34984 2215 357 587 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1577 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 570 Uninet S.A. de C.V., MX 10620 3407 526 612 Telmex Colombia S.A., CO 11830 2453 369 62 Instituto Costarricense de Electricidad 7303 1899 2063 74 Telecom Argentina S.A., AR 13999 1663 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 1584 393 22 LINKdotNET-AS, EG 24835 1443 486 27 RAYA-AS, EG 36992 1200 1537 176 ETISALAT-MISR, EG 36903 1145 508 188 MT-MPLS, MA 29571 726 68 11 ORANGE-COTE-IVOIRE, CI 6713 547 1863 34 IAM-AS, MA 36935 514 522 40 Vodafone-, EG 15399 469 47 17 WANANCHI-, KE 37342 455 32 1 MOVITEL, MZ 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 570 Uninet S.A. de C.V., MX 47331 7787 1044 3498 TTNET, TR 12479 6435 1724 143 UNI2-AS, ES 7545 5707 783 674 TPG-INTERNET-AP TPG Telecom Limited, AU 9808 5145 8995 52 CMNET-GD Guangdong Mobile Communication 16509 4968 9326 2214 AMAZON-02, US 11492 4749 315 711 CABLEONE, US 7155 4030 264 32 VIASAT-SP-BACKBONE, US 22773 3917 3004 247 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3610 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 6435 6292 UNI2-AS, ES 9808 5145 5093 CMNET-GD Guangdong Mobile Communication Co.Ltd. 7545 5707 5033 TPG-INTERNET-AP TPG Telecom Limited, AU 47331 7787 4289 TTNET, TR 11492 4749 4038 CABLEONE, US 7155 4030 3998 VIASAT-SP-BACKBONE, US 22773 3917 3670 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3610 3569 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3523 3468 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 7552 3484 3464 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: 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 /15:1985 /16:13522 /17:8250 /18:13646 /19:25311 /20:40715 /21:50129 /22:104653 /23:89836 /24:493007 /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 6967 7787 TTNET, TR 12479 5387 6435 UNI2-AS, ES 11492 3803 4749 CABLEONE, US 6327 3166 3359 SHAW, CA 7155 3118 4030 VIASAT-SP-BACKBONE, US 8551 3073 3610 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 8151 3067 8497 Uninet S.A. de C.V., MX 22773 2951 3917 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3266 ALJAWWALSTC-AS, SA 30036 2238 2562 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 3:110 4:19 5:3560 6:64 7:5 8:1486 11:36 12:1746 13:357 14:2197 15:74 16:15 17:320 18:93 20:122 22:188 23:4642 24:2393 25:2 27:2500 29:19 31:2327 32:107 34:2 35:39 36:1245 37:3768 38:2067 39:576 40:160 41:3743 42:923 43:2099 44:238 45:14889 46:3655 47:319 49:1611 50:1763 51:92 52:1218 54:219 55:759 56:8 57:58 58:1608 59:1055 60:886 61:2267 62:2218 63:1957 64:5296 65:2372 66:5146 67:2872 68:1152 69:4050 70:1398 71:688 72:3165 74:2582 75:1484 76:685 77:2023 78:3695 79:2785 80:1868 81:1661 82:1345 83:1116 84:1254 85:3351 86:703 87:1781 88:2704 89:3013 90:433 91:7322 92:1745 93:2533 94:3096 95:4430 96:1264 97:345 98:986 99:970 100:74 101:1199 102:1383 103:25715 104:3716 105:435 106:722 107:2243 108:707 109:3978 110:1884 111:2713 112:1856 113:1298 114:1449 115:1921 116:1808 117:2196 118:2270 119:1831 120:1073 121:997 122:2211 123:2197 124:1515 125:1904 128:1312 129:950 130:824 131:2049 132:745 133:355 134:1606 135:294 136:737 137:925 138:2308 139:1180 140:732 141:1188 142:1142 143:1255 144:1256 145:330 146:1374 147:1292 148:2214 149:1436 150:801 151:1079 152:1543 153:394 154:2336 155:1329 156:1484 157:1162 158:925 159:2046 160:2117 161:1124 162:3257 163:970 164:1512 165:1345 166:586 167:1815 168:3551 169:664 170:4240 171:764 172:2131 173:2934 174:986 175:1076 176:3107 177:4369 178:2889 179:1961 180:2355 181:2594 182:3171 183:1632 184:2425 185:18160 186:4216 187:3200 188:3292 189:2851 190:8916 191:1434 192:10656 193:7989 194:6583 195:4713 196:2887 197:2131 198:6006 199:5989 200:7379 201:5351 202:10215 203:10053 204:4608 205:3342 206:3467 207:3315 208:4000 209:4640 210:3959 211:2069 212:3686 213:3339 214:1218 215:61 216:6165 217:2527 218:1034 219:476 220:2045 221:959 222:783 223:1697 End of report