IPv4 R&E Routing Table Report 23:05 GMT Thu 07 Sep, 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: 921218 Prefixes after maximum aggregation (per Origin AS): 351170 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452500 Number of IPv4 prefixes with a valid ROA: 418438 Number of IPv4 prefixes with an invalid ROA: 1592 Number of IPv4 prefixes with no ROA: 501188 Total ASes present in the Internet Routing Table: 74599 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 64192 Origin ASes announcing only one prefix: 26343 Transit ASes present in the Internet Routing Table: 10407 Transit-only ASes present in the Internet Routing Table: 442 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1057 Number of instances of unregistered ASNs: 1059 Number of 32-bit ASNs allocated by the RIRs: 42566 Number of 32-bit ASNs visible in the Routing Table: 35002 Prefixes from 32-bit ASNs in the Routing Table: 174317 Number of bogon 32-bit ASNs visible in the Routing Table: 31 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 605 Number of addresses announced to Internet: 3054283264 Equivalent to 182 /8s, 12 /16s and 170 /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: 99.5 Total number of prefixes smaller than registry allocations: 307939 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240937 Total APNIC prefixes after maximum aggregation: 69873 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234661 Unique aggregates announced from the APNIC address blocks: 98626 APNIC Region origin ASes present in the Internet Routing Table: 13531 APNIC Prefixes per ASN: 17.34 APNIC Region origin ASes announcing only one prefix: 4024 APNIC Region transit ASes present in the Internet Routing Table: 1796 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8916 Number of APNIC addresses announced to Internet: 772219904 Equivalent to 46 /8s, 7 /16s and 36 /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: 270700 Total ARIN prefixes after maximum aggregation: 123403 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 273403 Unique aggregates announced from the ARIN address blocks: 131362 ARIN Region origin ASes present in the Internet Routing Table: 19037 ARIN Prefixes per ASN: 14.36 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1882 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 31 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4815 Number of ARIN addresses announced to Internet: 1278898432 Equivalent to 76 /8s, 58 /16s and 113 /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: 260325 Total RIPE prefixes after maximum aggregation: 122924 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256460 Unique aggregates announced from the RIPE address blocks: 159985 RIPE Region origin ASes present in the Internet Routing Table: 28391 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 3905 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11311 Number of RIPE addresses announced to Internet: 716677120 Equivalent to 42 /8s, 183 /16s and 160 /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: 118304 Total LACNIC prefixes after maximum aggregation: 28285 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117324 Unique aggregates announced from the LACNIC address blocks: 49202 LACNIC Region origin ASes present in the Internet Routing Table: 11011 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2697 LACNIC Region transit ASes present in the Internet Routing Table: 2314 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8830 Number of LACNIC addresses announced to Internet: 178478848 Equivalent to 10 /8s, 163 /16s and 95 /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: 29895 Total AfriNIC prefixes after maximum aggregation: 5960 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 38765 Unique aggregates announced from the AfriNIC address blocks: 12818 AfriNIC Region origin ASes present in the Internet Routing Table: 1785 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 623 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1130 Number of AfriNIC addresses announced to Internet: 107543552 Equivalent to 6 /8s, 104 /16s and 252 /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 9486 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5727 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4356 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3725 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3597 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3328 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3148 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2498 848 389 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2184 442 200 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 9029 10952 3266 AMAZON-02, US 11492 4518 300 661 CABLEONE, US 7155 4175 288 97 VIASAT-SP-BACKBONE, US 22773 3551 3040 310 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3535 1319 66 SHAW, CA 749 3152 54959 2404 DNIC-AS-00749, US 16625 2996 1440 2270 AKAMAI-AS, US 367 2979 3836 1402 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2487 356 405 MEDIACOM-ENTERPRISE-BUSINESS, 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 7351 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4063 3398 152 AKAMAI-ASN1, NL 8551 3459 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2902 2296 913 ROSTELECOM-AS, RU 9009 2720 253 1387 M247, RO 34984 2328 362 597 TELLCOM-AS, TR 58224 1752 933 517 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1503 101 1171 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 11773 3368 602 UNINET, MX 10620 3538 506 849 Telmex Colombia S.A., CO 13999 2407 342 628 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1324 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1295 764 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1126 183 426 Techtel LMDS Comunicaciones Interactiva 6147 1112 370 22 Telefonica del Peru S.A.A., PE 26615 1028 2501 49 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 1593 393 19 LINKdotNET-AS, EG 24835 1457 497 26 RAYA-AS, EG 36992 1357 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 780 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 533 55 50 WANANCHI-, KE 37342 485 32 1 MOVITEL, MZ 24757 459 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 11773 3368 602 UNINET, MX 9808 9486 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9029 10952 3266 AMAZON-02, US 12479 7351 1713 145 UNI2-AS, ES 7545 5727 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4518 300 661 CABLEONE, US 18403 4356 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 97 VIASAT-SP-BACKBONE, US 20940 4063 3398 152 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 9486 9445 CHINAMOBILE-CN China Mobile Communications Grou 12479 7351 7206 UNI2-AS, ES 16509 9029 5763 AMAZON-02, US 7545 5727 5039 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4356 4331 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4078 VIASAT-SP-BACKBONE, US 20940 4063 3911 AKAMAI-ASN1, NL 11492 4518 3857 CABLEONE, US 7552 3725 3705 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 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 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 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 23.178.240.0/24 Origin: 399517 RESERVED, ZZ 23.178.240.0/24 Transit: 32425 SKB3-ARIN-BGP, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /10:38 /11:102 /12:298 /13:575 /14:1195 /15:2096 /16:13465 /17:8195 /18:13717 /19:24788 /20:43261 /21:50881 /22:109455 /23:98654 /24:554459 /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 6437 7351 UNI2-AS, ES 8151 5795 11773 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3429 4518 CABLEONE, US 6327 3346 3535 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 8551 2927 3459 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2598 3551 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2147 2487 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2101 3538 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) ---------------------------------------------- 1:2227 2:1388 3:255 4:5 5:4562 6:136 7:6 8:1507 9:1 11:172 12:1509 13:369 14:2306 15:302 16:189 17:365 18:638 20:282 21:4 22:188 23:6356 24:2487 25:6 27:2554 29:19 31:2524 32:77 34:26 35:114 36:1995 37:4525 38:5181 39:870 40:146 41:4017 42:2099 43:2261 44:319 45:16409 46:4277 47:378 49:1800 50:1877 51:596 52:1597 54:394 55:965 56:8 57:123 58:1795 59:1120 60:1001 61:2538 62:2675 63:1913 64:5637 65:2337 66:4873 67:3025 68:1339 69:4125 70:1190 71:659 72:2956 74:2593 75:1563 76:616 77:2351 78:1836 79:2992 80:2118 81:1830 82:1459 83:1284 84:1535 85:2999 86:767 87:1993 88:1175 89:3837 90:618 91:7819 92:2060 93:2611 94:3512 95:4008 96:1295 97:321 98:1081 99:735 100:90 101:1300 102:2910 103:31963 104:4593 105:558 106:887 107:2654 108:1120 109:4219 110:2127 111:3132 112:2060 113:1746 114:1658 115:1994 116:1903 117:2510 118:2699 119:1977 120:1776 121:1096 122:2582 123:2143 124:1580 125:2517 128:1414 129:912 130:1029 131:1950 132:850 133:408 134:1787 135:306 136:910 137:972 138:2630 139:1562 140:1158 141:1296 142:1482 143:1496 144:991 145:346 146:1932 147:1604 148:2422 149:2256 150:864 151:1231 152:1981 153:522 154:4876 155:1377 156:1933 157:1326 158:1085 159:2238 160:2601 161:1584 162:3530 163:1583 164:1697 165:1851 166:1005 167:1720 168:3697 169:902 170:4648 171:872 172:3688 173:2950 174:980 175:1182 176:3764 177:4456 178:3536 179:2123 180:2458 181:3537 182:3315 183:2005 184:2278 185:20526 186:4716 187:4162 188:4136 189:3789 190:9209 191:1394 192:10924 193:8940 194:7245 195:5198 196:3184 197:2457 198:5914 199:6092 200:7865 201:6029 202:10193 203:9968 204:4534 205:3677 206:4296 207:3393 208:4132 209:4888 210:4189 211:2438 212:4233 213:3393 214:1095 215:58 216:6648 217:2776 218:1265 219:404 220:1801 221:979 222:671 223:2144 End of report