IPv4 R&E Routing Table Report 23:05 GMT Wed 27 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: 935994 Prefixes after maximum aggregation (per Origin AS): 358052 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458511 Number of IPv4 prefixes with a valid ROA: 455990 Number of IPv4 prefixes with an invalid ROA: 997 Number of IPv4 prefixes with no ROA: 479007 Total ASes present in the Internet Routing Table: 75392 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64764 Origin ASes announcing only one prefix: 26571 Transit ASes present in the Internet Routing Table: 10628 Transit-only ASes present in the Internet Routing Table: 491 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (151354) 50 Prefixes from unregistered ASNs in the Routing Table: 1060 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 43921 Number of 32-bit ASNs visible in the Routing Table: 36050 Prefixes from 32-bit ASNs in the Routing Table: 182609 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: 584 Number of addresses announced to Internet: 3027970560 Equivalent to 180 /8s, 123 /16s and 42 /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: 309129 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246570 Total APNIC prefixes after maximum aggregation: 72388 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 239244 Unique aggregates announced from the APNIC address blocks: 100035 APNIC Region origin ASes present in the Internet Routing Table: 13967 APNIC Prefixes per ASN: 17.13 APNIC Region origin ASes announcing only one prefix: 4224 APNIC Region transit ASes present in the Internet Routing Table: 1857 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9401 Number of APNIC addresses announced to Internet: 760348672 Equivalent to 45 /8s, 82 /16s and 0 /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: 273278 Total ARIN prefixes after maximum aggregation: 123735 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277978 Unique aggregates announced from the ARIN address blocks: 132571 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1911 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: 1269736448 Equivalent to 75 /8s, 174 /16s and 164 /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: 263212 Total RIPE prefixes after maximum aggregation: 126322 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 258034 Unique aggregates announced from the RIPE address blocks: 162803 RIPE Region origin ASes present in the Internet Routing Table: 28576 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12121 RIPE Region transit ASes present in the Internet Routing Table: 3959 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11682 Number of RIPE addresses announced to Internet: 714676480 Equivalent to 42 /8s, 153 /16s and 25 /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: 121251 Total LACNIC prefixes after maximum aggregation: 28759 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119588 Unique aggregates announced from the LACNIC address blocks: 49578 LACNIC Region origin ASes present in the Internet Routing Table: 11054 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2608 LACNIC Region transit ASes present in the Internet Routing Table: 2386 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: 8917 Number of LACNIC addresses announced to Internet: 177187584 Equivalent to 10 /8s, 143 /16s and 171 /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: 30623 Total AfriNIC prefixes after maximum aggregation: 6137 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 40566 Unique aggregates announced from the AfriNIC address blocks: 13056 AfriNIC Region origin ASes present in the Internet Routing Table: 1816 AfriNIC Prefixes per ASN: 22.34 AfriNIC Region origin ASes announcing only one prefix: 651 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: 1188 Number of AfriNIC addresses announced to Internet: 105714432 Equivalent to 6 /8s, 77 /16s and 19 /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 9826 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5657 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4602 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3857 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3608 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3523 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3289 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2764 863 366 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2196 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 9761 11358 3412 AMAZON-02, US 11492 4596 305 619 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 6327 3604 1320 75 SHAW, CA 22773 3596 3060 292 ASN-CXA-ALL-CCI-22773-RDC, US 174 3370 6650 688 COGENT-174, US 749 3189 54916 2441 DNIC-AS-00749, US 16625 3136 1346 2240 AKAMAI-AS, US 367 2911 3599 1380 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 7674 1709 144 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3841 3395 125 AKAMAI-ASN1, NL 9009 3260 283 1593 M247, RO 12389 2912 2304 906 ROSTELECOM-AS, RU 8551 2646 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1525 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 12346 3315 492 UNINET, MX 10620 3527 497 888 Telmex Colombia S.A., CO 13999 2515 342 655 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 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1148 179 424 Techtel LMDS Comunicaciones Interactiva 6503 1114 347 484 Axtel, S.A.B. de C.V., MX 6147 1089 369 22 Telefonica del Peru S.A.A., PE 26615 1071 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 1505 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1207 76 59 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 525 55 53 WANANCHI-, KE 36914 477 82 3 KENET-AS, KE 24757 427 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 12346 3315 492 UNINET, MX 9808 9826 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9761 11358 3412 AMAZON-02, US 12479 7674 1709 144 UNI2-AS, ES 7545 5657 777 671 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 18403 4602 347 25 FPT-AS-AP FPT Telecom Company, VN 11492 4596 305 619 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3857 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 9826 9765 CHINAMOBILE-CN China Mobile Communications Grou 12479 7674 7530 UNI2-AS, ES 16509 9761 6349 AMAZON-02, US 7545 5657 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4602 4577 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4596 3977 CABLEONE, US 7552 3857 3837 VIETEL-AS-AP Viettel Group, VN 20940 3841 3716 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: 6939 HURRICANE, US 27.0.193.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.193.0/24 Transit: 6939 HURRICANE, US 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 /14:1195 /15:2068 /16:13246 /17:8129 /18:13568 /19:24516 /20:43092 /21:50908 /22:110102 /23:98138 /24:569987 /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 6791 7674 UNI2-AS, ES 8151 6360 12346 UNINET, MX 11492 3509 4596 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3401 3604 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2642 3596 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2146 2490 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2133 3527 Telmex Colombia S.A., CO 8551 2122 2646 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) ---------------------------------------------- 1:2279 2:1478 3:318 4:6 5:4522 6:162 7:6 8:1501 9:1 11:172 12:1467 13:375 14:2363 15:318 16:210 17:365 18:756 20:356 21:4 22:188 23:6626 24:2702 25:2 27:2560 29:19 31:2628 32:46 34:62 35:123 36:2241 37:4487 38:7158 39:894 40:125 41:4042 42:2211 43:2314 44:316 45:16889 46:4398 47:298 49:1894 50:1889 51:573 52:1579 54:307 55:897 56:5 57:164 58:1978 59:1156 60:1027 61:2611 62:2688 63:1905 64:5535 65:2320 66:4681 67:3055 68:1335 69:4080 70:1194 71:575 72:2897 74:2572 75:1550 76:628 77:2428 78:1842 79:2474 80:2171 81:1936 82:1546 83:1282 84:1640 85:3083 86:829 87:2024 88:1231 89:4052 90:679 91:8037 92:2195 93:2650 94:3656 95:4155 96:1306 97:312 98:1040 99:743 100:92 101:1164 102:3080 103:32426 104:4774 105:635 106:930 107:2756 108:1110 109:4056 110:2135 111:3183 112:2063 113:1763 114:1778 115:2012 116:1862 117:2619 118:2840 119:1958 120:1783 121:1266 122:2660 123:2194 124:1568 125:2839 126:32 128:1418 129:917 130:1084 131:1842 132:801 133:410 134:1719 135:317 136:946 137:1031 138:2830 139:1536 140:1384 141:1358 142:1600 143:1483 144:1009 145:345 146:2023 147:1729 148:2477 149:2569 150:1033 151:1337 152:1969 153:523 154:6183 155:1377 156:2216 157:1651 158:1074 159:2269 160:2601 161:1636 162:3590 163:1706 164:1641 165:2124 166:1063 167:1762 168:3912 169:789 170:4713 171:999 172:3824 173:3038 174:903 175:1199 176:3665 177:4731 178:3580 179:2278 180:2366 181:3674 182:3363 183:2043 184:2268 185:20617 186:4919 187:4499 188:4031 189:4069 190:9304 191:1496 192:10972 193:9043 194:7435 195:5245 196:3146 197:2370 198:5896 199:7549 200:7947 201:6298 202:10155 203:10158 204:4548 205:3702 206:4441 207:3367 208:4124 209:5000 210:4390 211:2485 212:4276 213:3386 214:1089 215:50 216:6767 217:2811 218:1312 219:406 220:1821 221:1030 222:693 223:2240 End of report