IPv4 R&E Routing Table Report 23:05 GMT Mon 20 Nov, 2023 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 927629 Prefixes after maximum aggregation (per Origin AS): 354631 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 454640 Number of IPv4 prefixes with a valid ROA: 428442 Number of IPv4 prefixes with an invalid ROA: 1376 Number of IPv4 prefixes with no ROA: 497811 Total ASes present in the Internet Routing Table: 74887 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64426 Origin ASes announcing only one prefix: 26489 Transit ASes present in the Internet Routing Table: 10461 Transit-only ASes present in the Internet Routing Table: 463 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1032 Number of instances of unregistered ASNs: 1034 Number of 32-bit ASNs allocated by the RIRs: 43081 Number of 32-bit ASNs visible in the Routing Table: 35361 Prefixes from 32-bit ASNs in the Routing Table: 176812 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 524 Number of addresses announced to Internet: 3048562944 Equivalent to 181 /8s, 181 /16s and 97 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 309417 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243271 Total APNIC prefixes after maximum aggregation: 70944 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 236579 Unique aggregates announced from the APNIC address blocks: 99200 APNIC Region origin ASes present in the Internet Routing Table: 13679 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4106 APNIC Region transit ASes present in the Internet Routing Table: 1839 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9076 Number of APNIC addresses announced to Internet: 771197952 Equivalent to 45 /8s, 247 /16s and 140 /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, 131072-153913 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: 272245 Total ARIN prefixes after maximum aggregation: 123848 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276886 Unique aggregates announced from the ARIN address blocks: 132251 ARIN Region origin ASes present in the Internet Routing Table: 19027 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1882 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4820 Number of ARIN addresses announced to Internet: 1276187904 Equivalent to 76 /8s, 17 /16s and 21 /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: 261802 Total RIPE prefixes after maximum aggregation: 124602 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256271 Unique aggregates announced from the RIPE address blocks: 160623 RIPE Region origin ASes present in the Internet Routing Table: 28480 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12106 RIPE Region transit ASes present in the Internet Routing Table: 3905 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11437 Number of RIPE addresses announced to Internet: 714946816 Equivalent to 42 /8s, 157 /16s and 57 /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 196608-216475 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: 119222 Total LACNIC prefixes after maximum aggregation: 28514 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118040 Unique aggregates announced from the LACNIC address blocks: 49344 LACNIC Region origin ASes present in the Internet Routing Table: 11035 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2330 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8878 Number of LACNIC addresses announced to Internet: 178328832 Equivalent to 10 /8s, 161 /16s and 21 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 30057 Total AfriNIC prefixes after maximum aggregation: 6022 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 39329 Unique aggregates announced from the AfriNIC address blocks: 12790 AfriNIC Region origin ASes present in the Internet Routing Table: 1807 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 633 AfriNIC Region transit ASes present in the Internet Routing Table: 341 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1150 Number of AfriNIC addresses announced to Internet: 107473152 Equivalent to 6 /8s, 103 /16s and 233 /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 9808 9725 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5696 788 695 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4315 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3635 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3598 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3263 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3262 494 245 BBIL-AP BHARTI Airtel Ltd., IN 24560 2590 852 373 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2281 11268 602 KIXS-AS-KR Korea Telecom, KR 4755 2191 442 200 TATACOMM-AS TATA Communications formerl 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 9321 11140 3301 AMAZON-02, US 11492 4544 301 684 CABLEONE, US 7155 4163 288 95 VIASAT-SP-BACKBONE, US 6327 3553 1320 67 SHAW, CA 22773 3508 3039 299 ASN-CXA-ALL-CCI-22773-RDC, US 749 3159 54932 2411 DNIC-AS-00749, US 16625 3123 1390 2299 AKAMAI-AS, US 367 3034 3871 1424 DNIC-ASBLK-00306-00371, US 396982 2721 3631 373 GOOGLE-CLOUD-PLATFORM, US 7018 2526 23619 1589 ATT-INTERNET4, 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 12479 7461 1713 145 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4010 3397 141 AKAMAI-ASN1, NL 8551 3434 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3424 297 1591 M247, RO 12389 2904 2296 916 ROSTELECOM-AS, RU 34984 2322 361 589 TELLCOM-AS, TR 58224 1650 910 583 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1523 1852 14 TE-AS TE-AS, EG 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 12067 3376 609 UNINET, MX 10620 3527 499 871 Telmex Colombia S.A., CO 13999 2443 334 650 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad 28573 1332 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1298 778 195 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1250 342 505 Axtel, S.A.B. de C.V., MX 6147 1102 369 22 Telefonica del Peru S.A.A., PE 11664 1075 173 437 Techtel LMDS Comunicaciones Interactiva 26615 1040 2502 52 TIM SA, BR 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 1606 393 19 LINKdotNET-AS, EG 24835 1532 545 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 53 ORANGE-COTE-IVOIRE, CI 36935 935 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 504 53 41 WANANCHI-, KE 37342 492 32 1 MOVITEL, MZ 24757 480 73 5 EthioNet-AS, ET 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 12067 3376 609 UNINET, MX 9808 9725 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9321 11140 3301 AMAZON-02, US 12479 7461 1713 145 UNI2-AS, ES 7545 5696 788 695 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4544 301 684 CABLEONE, US 18403 4315 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 288 95 VIASAT-SP-BACKBONE, US 20940 4010 3397 141 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9725 9684 CHINAMOBILE-CN China Mobile Communications Grou 12479 7461 7316 UNI2-AS, ES 16509 9321 6020 AMAZON-02, US 7545 5696 5001 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4315 4290 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4068 VIASAT-SP-BACKBONE, US 20940 4010 3869 AKAMAI-ASN1, NL 11492 4544 3860 CABLEONE, US 7552 3635 3615 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /9:14 /10:37 /11:99 /12:298 /13:578 /14:1194 /15:2057 /16:13406 /17:8184 /18:13665 /19:24771 /20:43127 /21:51115 /22:109946 /23:98981 /24:560131 /25:0 /26:2 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6552 7461 UNI2-AS, ES 8151 6078 12067 UNINET, MX 11492 3463 4544 CABLEONE, US 6327 3363 3553 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4163 VIASAT-SP-BACKBONE, US 8551 2911 3434 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2563 3508 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2136 2481 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2120 3527 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2234 2:1421 3:276 4:5 5:4386 6:162 7:6 8:1504 9:1 11:172 12:1491 13:375 14:2321 15:304 16:206 17:362 18:675 20:318 21:4 22:188 23:6508 24:2552 25:2 27:2580 29:19 31:2565 32:55 34:33 35:115 36:2026 37:4443 38:5614 39:877 40:150 41:3990 42:2073 43:2293 44:327 45:16679 46:4346 47:373 49:1865 50:1877 51:573 52:1591 54:392 55:885 56:5 57:126 58:1823 59:1112 60:1008 61:2585 62:2707 63:1896 64:5496 65:2357 66:4977 67:3061 68:1350 69:4122 70:1180 71:607 72:2922 74:2624 75:1563 76:624 77:2344 78:1828 79:3017 80:2114 81:1844 82:1514 83:1308 84:1595 85:2970 86:773 87:1951 88:1230 89:3949 90:628 91:7879 92:2141 93:2650 94:3566 95:3999 96:1296 97:316 98:1083 99:738 100:96 101:1388 102:2953 103:32383 104:4782 105:590 106:977 107:2779 108:1134 109:4198 110:2130 111:3129 112:2069 113:1678 114:1714 115:1995 116:1923 117:2553 118:2728 119:1952 120:1767 121:1193 122:2608 123:2183 124:1580 125:2633 128:1424 129:904 130:1050 131:1980 132:815 133:407 134:1715 135:298 136:922 137:988 138:2702 139:1559 140:1327 141:1327 142:1527 143:1529 144:1004 145:341 146:1965 147:1630 148:2462 149:2296 150:1011 151:1253 152:1831 153:523 154:5331 155:1380 156:2086 157:1353 158:1058 159:2199 160:2602 161:1599 162:3560 163:1615 164:1643 165:1855 166:1072 167:1754 168:3808 169:787 170:4641 171:971 172:3765 173:2985 174:953 175:1194 176:3612 177:4523 178:3521 179:2158 180:2264 181:3579 182:3378 183:2007 184:2271 185:20533 186:4723 187:4239 188:4048 189:3955 190:9350 191:1465 192:10988 193:8953 194:7295 195:5186 196:3123 197:2473 198:5922 199:6511 200:8005 201:6243 202:10227 203:10022 204:4549 205:3674 206:4359 207:3403 208:4082 209:4886 210:4238 211:2455 212:4251 213:3395 214:1117 215:71 216:6728 217:2768 218:1293 219:413 220:1798 221:1001 222:687 223:2181 End of report