IPv4 R&E Routing Table Report 23:05 GMT Mon 12 Jun, 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: 917794 Prefixes after maximum aggregation (per Origin AS): 348968 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450002 Number of IPv4 prefixes with a valid ROA: 405746 Number of IPv4 prefixes with an invalid ROA: 1742 Number of IPv4 prefixes with no ROA: 510306 Total ASes present in the Internet Routing Table: 74328 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63836 Origin ASes announcing only one prefix: 26274 Transit ASes present in the Internet Routing Table: 10492 Transit-only ASes present in the Internet Routing Table: 440 Paths with bogon ASNs present in the IPv4 Routing Table: 37 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1023 Number of instances of unregistered ASNs: 1028 Number of 32-bit ASNs allocated by the RIRs: 42071 Number of 32-bit ASNs visible in the Routing Table: 34635 Prefixes from 32-bit ASNs in the Routing Table: 171800 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 568 Number of addresses announced to Internet: 3054634496 Equivalent to 182 /8s, 18 /16s and 6 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307198 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240113 Total APNIC prefixes after maximum aggregation: 68811 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234180 Unique aggregates announced from the APNIC address blocks: 98481 APNIC Region origin ASes present in the Internet Routing Table: 13379 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3957 APNIC Region transit ASes present in the Internet Routing Table: 1793 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8756 Number of APNIC addresses announced to Internet: 772939008 Equivalent to 46 /8s, 18 /16s and 29 /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: 269383 Total ARIN prefixes after maximum aggregation: 122789 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272091 Unique aggregates announced from the ARIN address blocks: 130515 ARIN Region origin ASes present in the Internet Routing Table: 19100 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 7018 ARIN Region transit ASes present in the Internet Routing Table: 1906 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4804 Number of ARIN addresses announced to Internet: 1279854848 Equivalent to 76 /8s, 73 /16s and 9 /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: 259173 Total RIPE prefixes after maximum aggregation: 122471 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255249 Unique aggregates announced from the RIPE address blocks: 158644 RIPE Region origin ASes present in the Internet Routing Table: 28279 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12038 RIPE Region transit ASes present in the Internet Routing Table: 3956 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 63 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11186 Number of RIPE addresses announced to Internet: 717283072 Equivalent to 42 /8s, 192 /16s and 223 /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: 118483 Total LACNIC prefixes after maximum aggregation: 28327 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117615 Unique aggregates announced from the LACNIC address blocks: 49489 LACNIC Region origin ASes present in the Internet Routing Table: 11004 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2307 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8795 Number of LACNIC addresses announced to Internet: 176987136 Equivalent to 10 /8s, 140 /16s and 156 /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: 29619 Total AfriNIC prefixes after maximum aggregation: 5838 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38091 Unique aggregates announced from the AfriNIC address blocks: 12409 AfriNIC Region origin ASes present in the Internet Routing Table: 1745 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1094 Number of AfriNIC addresses announced to Internet: 107179264 Equivalent to 6 /8s, 99 /16s and 109 /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 9495 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5723 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4182 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3684 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3564 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3022 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2421 837 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2189 442 198 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 8492 10835 3093 AMAZON-02, US 11492 4523 300 606 CABLEONE, US 7155 4104 284 77 VIASAT-SP-BACKBONE, US 22773 3563 3052 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3126 54969 2378 DNIC-AS-00749, US 16625 3106 1550 2344 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2464 24003 1553 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 7301 1706 140 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4082 3398 161 AKAMAI-ASN1, NL 8551 3463 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2291 910 ROSTELECOM-AS, RU 9009 2668 247 1388 M247, RO 34984 2271 359 604 TELLCOM-AS, TR 6849 1970 307 17 UKRTELNET, UA 58224 1827 946 534 TCI, IR 61317 1656 111 1286 ASDETUK www.heficed.com, US 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 11415 3363 605 Uninet S.A. de C.V., MX 10620 3529 507 838 Telmex Colombia S.A., CO 13999 2352 351 622 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1320 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1296 763 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1022 2498 45 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 1580 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1304 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1036 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 480 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 11415 3363 605 Uninet S.A. de C.V., MX 9808 9495 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8492 10835 3093 AMAZON-02, US 12479 7301 1706 140 UNI2-AS, ES 7545 5723 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4523 300 606 CABLEONE, US 18403 4182 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4104 284 77 VIASAT-SP-BACKBONE, US 20940 4082 3398 161 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 9495 9458 CHINAMOBILE-CN China Mobile Communications Grou 12479 7301 7161 UNI2-AS, ES 16509 8492 5399 AMAZON-02, US 7545 5723 5032 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4182 4157 FPT-AS-AP FPT Telecom Company, VN 7155 4104 4027 VIASAT-SP-BACKBONE, US 20940 4082 3921 AKAMAI-ASN1, NL 11492 4523 3917 CABLEONE, US 7552 3684 3663 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 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 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /10:38 /11:103 /12:301 /13:579 /14:1198 /15:2094 /16:13425 /17:8162 /18:13708 /19:24803 /20:42844 /21:50974 /22:109199 /23:97847 /24:552480 /25:0 /26:1 /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 6390 7301 UNI2-AS, ES 8151 5361 11415 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4523 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3089 4104 VIASAT-SP-BACKBONE, US 8551 2931 3463 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2634 3563 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2085 3529 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) ---------------------------------------------- 1:2145 2:1269 3:200 4:5 5:4466 6:130 7:6 8:1505 9:1 11:172 12:1532 13:388 14:2301 15:304 16:191 17:369 18:450 20:262 21:4 22:188 23:6287 24:2595 25:6 27:2503 29:19 31:2509 32:78 34:22 35:111 36:1975 37:4670 38:4848 39:846 40:151 41:3925 42:1986 43:2312 44:307 45:16480 46:4249 47:376 49:1746 50:1862 51:585 52:1594 54:393 55:869 56:8 57:118 58:1814 59:1051 60:985 61:2542 62:2668 63:1904 64:5654 65:2325 66:5006 67:3042 68:1344 69:4127 70:1202 71:672 72:2986 74:2610 75:1558 76:608 77:2425 78:1803 79:2970 80:2116 81:1770 82:1494 83:1259 84:1508 85:3003 86:750 87:1982 88:1167 89:3728 90:614 91:7709 92:2048 93:2621 94:3612 95:4039 96:1311 97:332 98:1129 99:745 100:86 101:1309 102:2768 103:31486 104:4583 105:505 106:951 107:2582 108:1049 109:4187 110:2100 111:3120 112:2034 113:1728 114:1663 115:1995 116:1891 117:2547 118:2614 119:1993 120:1796 121:1069 122:2589 123:2118 124:1573 125:2476 128:1404 129:1048 130:997 131:1976 132:845 133:420 134:1826 135:307 136:877 137:951 138:2576 139:1537 140:1254 141:1432 142:1449 143:1518 144:1127 145:344 146:1934 147:1583 148:2395 149:2226 150:880 151:1151 152:1923 153:486 154:4501 155:1428 156:1814 157:1317 158:1084 159:2262 160:2551 161:1549 162:3506 163:1529 164:1620 165:1829 166:1084 167:1717 168:3860 169:945 170:4604 171:900 172:3576 173:2964 174:1069 175:1175 176:3680 177:4617 178:3598 179:2174 180:2542 181:3486 182:3394 183:2078 184:2345 185:20254 186:4848 187:3975 188:4102 189:3693 190:9223 191:1455 192:10901 193:8890 194:7319 195:5155 196:3204 197:2392 198:5892 199:6086 200:7901 201:5937 202:10318 203:10273 204:4557 205:3687 206:4222 207:3397 208:4089 209:4877 210:4171 211:2436 212:4196 213:3622 214:1090 215:59 216:6665 217:2728 218:1273 219:410 220:1757 221:964 222:684 223:2151 End of report