IPv4 R&E Routing Table Report 23:05 GMT Sun 11 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: 917909 Prefixes after maximum aggregation (per Origin AS): 349084 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450178 Number of IPv4 prefixes with a valid ROA: 405616 Number of IPv4 prefixes with an invalid ROA: 1734 Number of IPv4 prefixes with no ROA: 510559 Total ASes present in the Internet Routing Table: 74348 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63859 Origin ASes announcing only one prefix: 26273 Transit ASes present in the Internet Routing Table: 10489 Transit-only ASes present in the Internet Routing Table: 444 Paths with bogon ASNs present in the IPv4 Routing Table: 42 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: 1033 Number of 32-bit ASNs allocated by the RIRs: 42071 Number of 32-bit ASNs visible in the Routing Table: 34641 Prefixes from 32-bit ASNs in the Routing Table: 171839 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 568 Number of addresses announced to Internet: 3054149888 Equivalent to 182 /8s, 10 /16s and 161 /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: 307603 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240009 Total APNIC prefixes after maximum aggregation: 68824 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234057 Unique aggregates announced from the APNIC address blocks: 98399 APNIC Region origin ASes present in the Internet Routing Table: 13375 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 3952 APNIC Region transit ASes present in the Internet Routing Table: 1788 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8755 Number of APNIC addresses announced to Internet: 772931840 Equivalent to 46 /8s, 18 /16s and 1 /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: 269268 Total ARIN prefixes after maximum aggregation: 122755 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 271983 Unique aggregates announced from the ARIN address blocks: 130517 ARIN Region origin ASes present in the Internet Routing Table: 19100 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 7020 ARIN Region transit ASes present in the Internet Routing Table: 1903 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: 4807 Number of ARIN addresses announced to Internet: 1279916288 Equivalent to 76 /8s, 73 /16s and 249 /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: 259728 Total RIPE prefixes after maximum aggregation: 122635 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255820 Unique aggregates announced from the RIPE address blocks: 158949 RIPE Region origin ASes present in the Internet Routing Table: 28312 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3964 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 62 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11197 Number of RIPE addresses announced to Internet: 717587200 Equivalent to 42 /8s, 197 /16s and 131 /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: 118485 Total LACNIC prefixes after maximum aggregation: 28323 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117621 Unique aggregates announced from the LACNIC address blocks: 49471 LACNIC Region origin ASes present in the Internet Routing Table: 10996 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2647 LACNIC Region transit ASes present in the Internet Routing Table: 2305 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: 8790 Number of LACNIC addresses announced to Internet: 176966656 Equivalent to 10 /8s, 140 /16s and 76 /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: 29396 Total AfriNIC prefixes after maximum aggregation: 5815 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 37860 Unique aggregates announced from the AfriNIC address blocks: 12378 AfriNIC Region origin ASes present in the Internet Routing Table: 1740 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1092 Number of AfriNIC addresses announced to Internet: 106356736 Equivalent to 6 /8s, 86 /16s and 224 /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 9496 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5723 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4184 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 3021 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2418 836 444 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2187 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 8486 10834 3088 AMAZON-02, US 11492 4515 299 608 CABLEONE, US 7155 4103 284 77 VIASAT-SP-BACKBONE, US 22773 3565 3052 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3127 54969 2379 DNIC-AS-00749, US 16625 3103 1547 2341 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2446 24003 1535 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 7298 1706 140 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4080 3398 160 AKAMAI-ASN1, NL 8551 3460 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2893 2291 910 ROSTELECOM-AS, RU 9009 2668 247 1388 M247, RO 34984 2275 360 605 TELLCOM-AS, TR 6849 1976 307 17 UKRTELNET, UA 58224 1827 945 534 TCI, IR 61317 1662 111 1294 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 11413 3363 605 Uninet S.A. de C.V., MX 10620 3529 507 838 Telmex Colombia S.A., CO 13999 2347 351 621 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 1025 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 1583 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1304 1517 280 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 551 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 11413 3363 605 Uninet S.A. de C.V., MX 9808 9496 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8486 10834 3088 AMAZON-02, US 12479 7298 1706 140 UNI2-AS, ES 7545 5723 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4515 299 608 CABLEONE, US 18403 4184 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4103 284 77 VIASAT-SP-BACKBONE, US 20940 4080 3398 160 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 9496 9459 CHINAMOBILE-CN China Mobile Communications Grou 12479 7298 7158 UNI2-AS, ES 16509 8486 5398 AMAZON-02, US 7545 5723 5032 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4184 4159 FPT-AS-AP FPT Telecom Company, VN 7155 4103 4026 VIASAT-SP-BACKBONE, US 20940 4080 3920 AKAMAI-ASN1, NL 11492 4515 3907 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 /13:578 /14:1195 /15:2091 /16:13419 /17:8147 /18:13706 /19:24788 /20:42859 /21:50968 /22:109189 /23:97832 /24:552656 /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 6387 7298 UNI2-AS, ES 8151 5359 11413 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3429 4515 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3088 4103 VIASAT-SP-BACKBONE, US 8551 2928 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2636 3565 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 2:1279 3:199 4:5 5:4539 6:131 7:6 8:1503 9:1 11:172 12:1532 13:388 14:2301 15:304 16:191 17:370 18:450 20:264 21:4 22:188 23:6274 24:2599 25:6 27:2505 29:19 31:2512 32:78 34:22 35:109 36:1975 37:4685 38:4849 39:846 40:151 41:3927 42:1986 43:2311 44:307 45:16508 46:4284 47:376 49:1746 50:1857 51:585 52:1595 54:393 55:866 56:8 57:118 58:1816 59:1052 60:986 61:2543 62:2657 63:1903 64:5659 65:2324 66:4991 67:3044 68:1343 69:4129 70:1202 71:672 72:2980 74:2611 75:1558 76:608 77:2438 78:1805 79:2973 80:2123 81:1790 82:1494 83:1254 84:1507 85:3006 86:764 87:2017 88:1166 89:3730 90:614 91:7750 92:2061 93:2617 94:3628 95:4053 96:1315 97:336 98:1128 99:744 100:86 101:1309 102:2772 103:31447 104:4580 105:503 106:949 107:2582 108:1050 109:4192 110:2099 111:3120 112:2034 113:1725 114:1663 115:1997 116:1887 117:2554 118:2614 119:1992 120:1794 121:1069 122:2586 123:2117 124:1573 125:2471 128:1403 129:1049 130:997 131:1979 132:841 133:420 134:1826 135:307 136:877 137:952 138:2576 139:1540 140:1257 141:1434 142:1448 143:1523 144:1110 145:344 146:1937 147:1591 148:2396 149:2238 150:881 151:1150 152:1925 153:490 154:4502 155:1422 156:1793 157:1315 158:1083 159:2222 160:2549 161:1552 162:3506 163:1524 164:1617 165:1829 166:1083 167:1719 168:3846 169:943 170:4610 171:902 172:3577 173:2962 174:1070 175:1173 176:3691 177:4623 178:3602 179:2175 180:2542 181:3485 182:3393 183:2079 184:2346 185:20331 186:4835 187:3970 188:4101 189:3682 190:9213 191:1480 192:10901 193:8900 194:7322 195:5155 196:3161 197:2374 198:5890 199:6089 200:7909 201:5930 202:10283 203:10270 204:4558 205:3675 206:4210 207:3398 208:4092 209:4876 210:4171 211:2436 212:4192 213:3623 214:1088 215:59 216:6663 217:2727 218:1276 219:410 220:1757 221:964 222:684 223:2150 End of report