IPv4 R&E Routing Table Report 23:05 GMT Tue 19 Mar, 2024 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: 935434 Prefixes after maximum aggregation (per Origin AS): 357667 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 458384 Number of IPv4 prefixes with a valid ROA: 454568 Number of IPv4 prefixes with an invalid ROA: 1026 Number of IPv4 prefixes with no ROA: 479840 Total ASes present in the Internet Routing Table: 75314 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64802 Origin ASes announcing only one prefix: 26563 Transit ASes present in the Internet Routing Table: 10512 Transit-only ASes present in the Internet Routing Table: 474 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN (2458272) 56 Prefixes from unregistered ASNs in the Routing Table: 1045 Number of instances of unregistered ASNs: 1102 Number of 32-bit ASNs allocated by the RIRs: 43854 Number of 32-bit ASNs visible in the Routing Table: 35980 Prefixes from 32-bit ASNs in the Routing Table: 182003 Number of bogon 32-bit ASNs visible in the Routing Table: 121 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 581 Number of addresses announced to Internet: 3026831104 Equivalent to 180 /8s, 105 /16s and 199 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 308800 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246535 Total APNIC prefixes after maximum aggregation: 72231 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239308 Unique aggregates announced from the APNIC address blocks: 99928 APNIC Region origin ASes present in the Internet Routing Table: 13954 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4218 APNIC Region transit ASes present in the Internet Routing Table: 1851 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9390 Number of APNIC addresses announced to Internet: 760192512 Equivalent to 45 /8s, 79 /16s and 158 /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: 273436 Total ARIN prefixes after maximum aggregation: 123682 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278066 Unique aggregates announced from the ARIN address blocks: 132682 ARIN Region origin ASes present in the Internet Routing Table: 19073 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1905 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4857 Number of ARIN addresses announced to Internet: 1269610496 Equivalent to 75 /8s, 172 /16s and 184 /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: 263070 Total RIPE prefixes after maximum aggregation: 126143 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 257812 Unique aggregates announced from the RIPE address blocks: 162593 RIPE Region origin ASes present in the Internet Routing Table: 28561 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12124 RIPE Region transit ASes present in the Internet Routing Table: 3906 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11658 Number of RIPE addresses announced to Internet: 714636288 Equivalent to 42 /8s, 152 /16s and 124 /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: 121092 Total LACNIC prefixes after maximum aggregation: 28785 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119469 Unique aggregates announced from the LACNIC address blocks: 49600 LACNIC Region origin ASes present in the Internet Routing Table: 11053 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2614 LACNIC Region transit ASes present in the Internet Routing Table: 2353 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8909 Number of LACNIC addresses announced to Internet: 177191168 Equivalent to 10 /8s, 143 /16s and 185 /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: 30256 Total AfriNIC prefixes after maximum aggregation: 6134 AfriNIC Deaggregation factor: 4.93 Prefixes being announced from the AfriNIC address blocks: 40198 Unique aggregates announced from the AfriNIC address blocks: 13116 AfriNIC Region origin ASes present in the Internet Routing Table: 1795 AfriNIC Prefixes per ASN: 22.39 AfriNIC Region origin ASes announcing only one prefix: 648 AfriNIC Region transit ASes present in the Internet Routing Table: 346 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1166 Number of AfriNIC addresses announced to Internet: 104890624 Equivalent to 6 /8s, 64 /16s and 129 /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 9829 8739 54 CHINAMOBILE-CN China Mobile Communicati 7545 5654 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4592 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3859 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3606 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3515 495 249 BBIL-AP BHARTI Airtel Ltd., IN 45899 3289 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2763 864 364 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2192 434 196 TATACOMM-AS TATA Communications formerl 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9732 11352 3398 AMAZON-02, US 11492 4590 305 629 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 6327 3602 1320 75 SHAW, CA 22773 3598 3044 291 ASN-CXA-ALL-CCI-22773-RDC, US 174 3428 6645 675 COGENT-174, US 749 3191 54916 2443 DNIC-AS-00749, US 16625 3145 1351 2246 AKAMAI-AS, US 367 2923 3632 1391 DNIC-ASBLK-00306-00371, US 396982 2757 3640 406 GOOGLE-CLOUD-PLATFORM, 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 7698 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3856 3395 125 AKAMAI-ASN1, NL 9009 3264 283 1590 M247, RO 12389 2899 2304 906 ROSTELECOM-AS, RU 8551 2645 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2347 363 590 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1523 1852 14 TE-AS TE-AS, EG 44477 1498 98 710 STARK-INDUSTRIES, GB 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 12358 3321 497 UNINET, MX 10620 3526 497 892 Telmex Colombia S.A., CO 13999 2509 340 655 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1148 179 424 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 26615 1067 2503 53 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 24835 1549 545 28 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1117 73 100 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 524 55 53 WANANCHI-, KE 24757 428 73 5 EthioNet-AS, ET 37342 413 32 1 MOVITEL, MZ 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 12358 3321 497 UNINET, MX 9808 9829 8739 54 CHINAMOBILE-CN China Mobile Communicati 16509 9732 11352 3398 AMAZON-02, US 12479 7698 1714 147 UNI2-AS, ES 7545 5654 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4592 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4590 305 629 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3859 1330 20 VIETEL-AS-AP Viettel Group, VN 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 9829 9775 CHINAMOBILE-CN China Mobile Communications Grou 12479 7698 7551 UNI2-AS, ES 16509 9732 6334 AMAZON-02, US 7545 5654 4982 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4592 4567 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4590 3961 CABLEONE, US 7552 3859 3839 VIETEL-AS-AP Viettel Group, VN 20940 3856 3731 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, 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 CROWNCASTLE-AS46887, 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 395195 UNALLOCATED 8.38.115.0/24 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 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK LIMITED, HK 27.0.192.0/22 Transit: 149767 XHOSTS-AS-AP NEAROUTE LIMITED, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 3786 LGDACOM LG DACOM Corporation, KR 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 /10:36 /11:95 /12:298 /13:576 /14:1189 /15:2060 /16:13234 /17:8117 /18:13568 /19:24502 /20:43048 /21:50796 /22:110022 /23:98227 /24:569628 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6810 7698 UNI2-AS, ES 8151 6371 12358 UNINET, MX 11492 3503 4590 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3400 3602 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2645 3598 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2132 3526 Telmex Colombia S.A., CO 8551 2121 2645 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2269 2:1473 3:318 4:6 5:4509 6:162 7:6 8:1502 9:1 11:172 12:1466 13:382 14:2364 15:316 16:210 17:368 18:750 20:355 21:4 22:188 23:6608 24:2711 25:2 27:2628 29:19 31:2626 32:46 34:62 35:123 36:2207 37:4484 38:7402 39:894 40:125 41:4060 42:2201 43:2312 44:313 45:16864 46:4369 47:297 49:1907 50:1901 51:572 52:1580 54:310 55:973 56:5 57:152 58:1975 59:1123 60:1025 61:2608 62:2688 63:1906 64:5520 65:2317 66:4671 67:3057 68:1330 69:4070 70:1196 71:571 72:2893 74:2578 75:1550 76:632 77:2414 78:1840 79:2473 80:2142 81:1933 82:1512 83:1283 84:1642 85:3087 86:825 87:2011 88:1230 89:4024 90:682 91:8012 92:2187 93:2628 94:3644 95:4140 96:1300 97:313 98:1046 99:741 100:92 101:1169 102:3167 103:32468 104:4770 105:581 106:927 107:2759 108:1124 109:4067 110:2141 111:3204 112:2062 113:1765 114:1769 115:2012 116:1874 117:2618 118:2841 119:1959 120:1786 121:1270 122:2683 123:2195 124:1607 125:2835 126:32 128:1411 129:929 130:1081 131:1812 132:805 133:410 134:1716 135:312 136:941 137:1033 138:2813 139:1551 140:1377 141:1369 142:1576 143:1489 144:1018 145:344 146:2012 147:1720 148:2493 149:2569 150:1033 151:1333 152:1967 153:523 154:5852 155:1372 156:2222 157:1618 158:1101 159:2254 160:2564 161:1634 162:3599 163:1718 164:1626 165:2121 166:1062 167:1760 168:3902 169:785 170:4699 171:996 172:3814 173:3035 174:904 175:1215 176:3649 177:4549 178:3579 179:2253 180:2367 181:3670 182:3363 183:2040 184:2263 185:20632 186:4904 187:4463 188:4044 189:4099 190:9316 191:1466 192:10972 193:9029 194:7439 195:5241 196:3163 197:2451 198:5897 199:7510 200:7981 201:6316 202:10233 203:10120 204:4547 205:3703 206:4437 207:3422 208:4123 209:5001 210:4390 211:2484 212:4289 213:3394 214:1091 215:49 216:6749 217:2810 218:1312 219:406 220:1825 221:1029 222:694 223:2204 End of report