IPv4 R&E Routing Table Report 23:05 GMT Wed 03 Apr, 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: 936613 Prefixes after maximum aggregation (per Origin AS): 358572 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 459187 Number of IPv4 prefixes with a valid ROA: 458600 Number of IPv4 prefixes with an invalid ROA: 965 Number of IPv4 prefixes with no ROA: 477048 Total ASes present in the Internet Routing Table: 75412 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64770 Origin ASes announcing only one prefix: 26572 Transit ASes present in the Internet Routing Table: 10642 Transit-only ASes present in the Internet Routing Table: 494 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1082 Number of instances of unregistered ASNs: 1084 Number of 32-bit ASNs allocated by the RIRs: 43987 Number of 32-bit ASNs visible in the Routing Table: 36089 Prefixes from 32-bit ASNs in the Routing Table: 182668 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: 606 Number of addresses announced to Internet: 3027270400 Equivalent to 180 /8s, 112 /16s and 123 /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: 309084 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246877 Total APNIC prefixes after maximum aggregation: 72428 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239584 Unique aggregates announced from the APNIC address blocks: 99981 APNIC Region origin ASes present in the Internet Routing Table: 13970 APNIC Prefixes per ASN: 17.15 APNIC Region origin ASes announcing only one prefix: 4223 APNIC Region transit ASes present in the Internet Routing Table: 1854 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9412 Number of APNIC addresses announced to Internet: 759979008 Equivalent to 45 /8s, 76 /16s and 92 /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: 273410 Total ARIN prefixes after maximum aggregation: 123976 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278087 Unique aggregates announced from the ARIN address blocks: 133137 ARIN Region origin ASes present in the Internet Routing Table: 19077 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1910 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4862 Number of ARIN addresses announced to Internet: 1269403136 Equivalent to 75 /8s, 169 /16s and 142 /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: 263344 Total RIPE prefixes after maximum aggregation: 126521 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258126 Unique aggregates announced from the RIPE address blocks: 162915 RIPE Region origin ASes present in the Internet Routing Table: 28586 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12132 RIPE Region transit ASes present in the Internet Routing Table: 3973 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11699 Number of RIPE addresses announced to Internet: 714548992 Equivalent to 42 /8s, 151 /16s and 39 /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: 121212 Total LACNIC prefixes after maximum aggregation: 28801 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119544 Unique aggregates announced from the LACNIC address blocks: 49589 LACNIC Region origin ASes present in the Internet Routing Table: 11065 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2604 LACNIC Region transit ASes present in the Internet Routing Table: 2393 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8931 Number of LACNIC addresses announced to Internet: 177211136 Equivalent to 10 /8s, 144 /16s and 7 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 30688 Total AfriNIC prefixes after maximum aggregation: 6137 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 40666 Unique aggregates announced from the AfriNIC address blocks: 13080 AfriNIC Region origin ASes present in the Internet Routing Table: 1816 AfriNIC Prefixes per ASN: 22.39 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 353 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1185 Number of AfriNIC addresses announced to Internet: 105811968 Equivalent to 6 /8s, 78 /16s and 144 /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 9831 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5654 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4585 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3862 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3625 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3564 497 256 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2770 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2200 434 198 TATACOMM-AS TATA Communications formerl 45090 2150 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 9799 11364 3404 AMAZON-02, US 11492 4599 305 616 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 6327 3605 1320 75 SHAW, CA 22773 3514 3043 228 ASN-CXA-ALL-CCI-22773-RDC, US 174 3294 6629 811 COGENT-174, US 749 3202 54912 2454 DNIC-AS-00749, US 16625 3064 1306 2195 AKAMAI-AS, US 367 2874 3569 1360 DNIC-ASBLK-00306-00371, US 396982 2763 3641 412 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 7663 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3829 3395 126 AKAMAI-ASN1, NL 9009 3263 283 1597 M247, RO 12389 2981 2304 898 ROSTELECOM-AS, RU 8551 2632 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1522 1852 14 TE-AS TE-AS, EG 44477 1505 98 712 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 3315 493 UNINET, MX 10620 3526 496 887 Telmex Colombia S.A., CO 13999 2522 346 657 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1312 788 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1149 179 425 Techtel LMDS Comunicaciones Interactiva 6503 1103 346 480 Axtel, S.A.B. de C.V., MX 6147 1081 369 22 Telefonica del Peru S.A.A., PE 22884 1074 114 375 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1502 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1207 76 61 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 555 1861 34 IAM-AS, MA 15399 531 55 54 WANANCHI-, KE 36914 477 82 3 KENET-AS, KE 24757 429 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 12358 3315 493 UNINET, MX 9808 9831 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9799 11364 3404 AMAZON-02, US 12479 7663 1709 144 UNI2-AS, ES 7545 5654 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4599 305 616 CABLEONE, US 18403 4585 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3862 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 9831 9770 CHINAMOBILE-CN China Mobile Communications Grou 12479 7663 7519 UNI2-AS, ES 16509 9799 6395 AMAZON-02, US 7545 5654 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4585 4560 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4080 VIASAT-SP-BACKBONE, US 11492 4599 3983 CABLEONE, US 7552 3862 3842 VIETEL-AS-AP Viettel Group, VN 20940 3829 3703 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 17054 EXPEDIENT, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 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 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK LIMITED, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, 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 27.0.193.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.193.0/24 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 /12:297 /13:579 /14:1194 /15:2068 /16:13237 /17:8122 /18:13575 /19:24490 /20:42996 /21:50870 /22:110152 /23:98202 /24:570662 /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 6780 7663 UNI2-AS, ES 8151 6371 12358 UNINET, MX 11492 3512 4599 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3402 3605 SHAW, CA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2614 3514 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2140 2484 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2132 3526 Telmex Colombia S.A., CO 8551 2108 2632 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) ---------------------------------------------- 1:2267 2:1475 3:320 4:6 5:4504 6:162 7:6 8:1506 9:1 11:172 12:1462 13:376 14:2354 15:318 16:209 17:366 18:757 20:358 21:4 22:188 23:6641 24:2718 25:2 27:2612 29:19 31:2647 32:46 34:62 35:123 36:2261 37:4445 38:7123 39:892 40:125 41:4078 42:2214 43:2321 44:316 45:16936 46:4386 47:302 49:1894 50:1909 51:573 52:1587 54:306 55:998 56:5 57:165 58:1980 59:1186 60:1030 61:2609 62:2679 63:1888 64:5581 65:2315 66:4654 67:3067 68:1331 69:4100 70:1192 71:575 72:2896 74:2572 75:1548 76:630 77:2418 78:1845 79:2482 80:2184 81:1940 82:1550 83:1312 84:1640 85:3106 86:837 87:2016 88:1235 89:4024 90:677 91:8074 92:2193 93:2647 94:3663 95:4142 96:1306 97:314 98:1035 99:743 100:94 101:1168 102:3099 103:32444 104:4849 105:635 106:928 107:2753 108:1113 109:4043 110:2135 111:3223 112:2064 113:1794 114:1778 115:2013 116:1863 117:2621 118:2834 119:1961 120:1785 121:1263 122:2664 123:2196 124:1607 125:2848 126:32 128:1423 129:927 130:1093 131:1852 132:796 133:410 134:1716 135:316 136:935 137:1034 138:2812 139:1544 140:1383 141:1363 142:1590 143:1498 144:994 145:343 146:2041 147:1739 148:2477 149:2570 150:1033 151:1336 152:1999 153:523 154:6240 155:1425 156:2220 157:1678 158:1084 159:2309 160:2613 161:1633 162:3593 163:1701 164:1637 165:2130 166:1123 167:1761 168:3891 169:790 170:4735 171:1002 172:3822 173:3031 174:903 175:1195 176:3618 177:4662 178:3579 179:2244 180:2358 181:3668 182:3381 183:2041 184:2265 185:20637 186:4901 187:4486 188:4035 189:4069 190:9313 191:1506 192:10949 193:9034 194:7435 195:5240 196:3138 197:2356 198:5880 199:7537 200:7986 201:6300 202:10186 203:10156 204:4541 205:3714 206:4451 207:3369 208:4111 209:4987 210:4385 211:2485 212:4277 213:3392 214:1090 215:50 216:6761 217:2814 218:1312 219:406 220:1815 221:1033 222:698 223:2208 End of report