IPv4 R&E Routing Table Report 23:05 GMT Mon 11 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: 921702 Prefixes after maximum aggregation (per Origin AS): 351350 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 452747 Number of IPv4 prefixes with a valid ROA: 418587 Number of IPv4 prefixes with an invalid ROA: 1706 Number of IPv4 prefixes with no ROA: 501409 Total ASes present in the Internet Routing Table: 74595 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64189 Origin ASes announcing only one prefix: 26325 Transit ASes present in the Internet Routing Table: 10406 Transit-only ASes present in the Internet Routing Table: 441 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1014 Number of instances of unregistered ASNs: 1016 Number of 32-bit ASNs allocated by the RIRs: 42592 Number of 32-bit ASNs visible in the Routing Table: 34997 Prefixes from 32-bit ASNs in the Routing Table: 174465 Number of bogon 32-bit ASNs visible in the Routing Table: 39 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 597 Number of addresses announced to Internet: 3054548480 Equivalent to 182 /8s, 16 /16s and 182 /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: 307880 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241123 Total APNIC prefixes after maximum aggregation: 69931 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 234792 Unique aggregates announced from the APNIC address blocks: 98658 APNIC Region origin ASes present in the Internet Routing Table: 13531 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 4020 APNIC Region transit ASes present in the Internet Routing Table: 1802 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8917 Number of APNIC addresses announced to Internet: 772166656 Equivalent to 46 /8s, 6 /16s and 84 /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: 270894 Total ARIN prefixes after maximum aggregation: 123392 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273753 Unique aggregates announced from the ARIN address blocks: 131522 ARIN Region origin ASes present in the Internet Routing Table: 19043 ARIN Prefixes per ASN: 14.38 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1885 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: 4813 Number of ARIN addresses announced to Internet: 1279023104 Equivalent to 76 /8s, 60 /16s and 88 /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: 260339 Total RIPE prefixes after maximum aggregation: 123001 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256341 Unique aggregates announced from the RIPE address blocks: 160027 RIPE Region origin ASes present in the Internet Routing Table: 28384 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3897 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: 11308 Number of RIPE addresses announced to Internet: 716697600 Equivalent to 42 /8s, 183 /16s and 240 /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: 118256 Total LACNIC prefixes after maximum aggregation: 28340 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117234 Unique aggregates announced from the LACNIC address blocks: 49243 LACNIC Region origin ASes present in the Internet Routing Table: 11018 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2696 LACNIC Region transit ASes present in the Internet Routing Table: 2320 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: 8833 Number of LACNIC addresses announced to Internet: 178431488 Equivalent to 10 /8s, 162 /16s and 166 /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: 30076 Total AfriNIC prefixes after maximum aggregation: 5978 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 38985 Unique aggregates announced from the AfriNIC address blocks: 12797 AfriNIC Region origin ASes present in the Internet Routing Table: 1783 AfriNIC Prefixes per ASN: 21.86 AfriNIC Region origin ASes announcing only one prefix: 615 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 1126 Number of AfriNIC addresses announced to Internet: 107772416 Equivalent to 6 /8s, 108 /16s and 122 /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 4353 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3731 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3321 1824 97 VNPT-AS-VN VNPT Corp, VN 9498 3148 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2498 848 393 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2184 442 201 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 9059 10989 3256 AMAZON-02, US 11492 4512 299 673 CABLEONE, US 7155 4175 288 97 VIASAT-SP-BACKBONE, US 22773 3545 3040 303 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3535 1319 66 SHAW, CA 749 3152 54959 2404 DNIC-AS-00749, US 16625 2991 1435 2266 AKAMAI-AS, US 367 2976 3827 1396 DNIC-ASBLK-00306-00371, US 396982 2691 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2490 356 390 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 7357 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4053 3398 152 AKAMAI-ASN1, NL 8551 3451 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2901 2296 912 ROSTELECOM-AS, RU 9009 2723 253 1386 M247, RO 34984 2329 362 597 TELLCOM-AS, TR 58224 1747 928 513 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1497 100 1166 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 11791 3368 602 UNINET, MX 10620 3539 506 850 Telmex Colombia S.A., CO 13999 2406 343 626 Mega Cable, S.A. de C.V., MX 11830 2003 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 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1127 183 427 Techtel LMDS Comunicaciones Interactiva 6147 1112 370 22 Telefonica del Peru S.A.A., PE 26615 1029 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 1514 533 27 RAYA-AS, EG 36992 1357 1518 279 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 914 520 36 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 532 55 50 WANANCHI-, KE 37342 484 32 1 MOVITEL, MZ 24757 465 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 11791 3368 602 UNINET, MX 9808 9486 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9059 10989 3256 AMAZON-02, US 12479 7357 1713 145 UNI2-AS, ES 7545 5727 784 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4512 299 673 CABLEONE, US 18403 4353 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 97 VIASAT-SP-BACKBONE, US 20940 4053 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 7357 7212 UNI2-AS, ES 16509 9059 5803 AMAZON-02, US 7545 5727 5039 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4353 4328 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4078 VIASAT-SP-BACKBONE, US 20940 4053 3901 AKAMAI-ASN1, NL 11492 4512 3839 CABLEONE, US 7552 3731 3711 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 /12:297 /13:575 /14:1195 /15:2098 /16:13470 /17:8195 /18:13727 /19:24795 /20:43255 /21:50920 /22:109530 /23:98655 /24:554811 /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 6443 7357 UNI2-AS, ES 8151 5811 11791 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3424 4512 CABLEONE, US 6327 3346 3535 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 8551 2925 3451 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2593 3545 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2490 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2102 3539 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) ---------------------------------------------- 1:2219 2:1395 3:258 4:5 5:4533 6:136 7:6 8:1504 9:1 11:172 12:1511 13:373 14:2308 15:304 16:193 17:369 18:638 20:283 21:4 22:188 23:6371 24:2485 25:6 27:2560 29:19 31:2518 32:77 34:26 35:114 36:1995 37:4538 38:5201 39:870 40:146 41:4024 42:2096 43:2266 44:315 45:16474 46:4273 47:374 49:1804 50:1882 51:597 52:1597 54:395 55:965 56:8 57:123 58:1796 59:1119 60:1001 61:2537 62:2670 63:1909 64:5629 65:2339 66:4876 67:3027 68:1339 69:4136 70:1191 71:657 72:2953 74:2592 75:1565 76:616 77:2300 78:1845 79:2990 80:2114 81:1837 82:1454 83:1288 84:1531 85:2993 86:766 87:1995 88:1165 89:3854 90:619 91:7811 92:2060 93:2618 94:3508 95:4001 96:1296 97:321 98:1081 99:735 100:90 101:1313 102:2905 103:32001 104:4600 105:561 106:887 107:2666 108:1126 109:4210 110:2128 111:3134 112:2062 113:1753 114:1657 115:1994 116:1906 117:2506 118:2700 119:1975 120:1776 121:1099 122:2584 123:2147 124:1580 125:2513 128:1412 129:915 130:1031 131:1946 132:851 133:408 134:1789 135:305 136:909 137:974 138:2621 139:1559 140:1174 141:1280 142:1501 143:1497 144:1000 145:346 146:1929 147:1596 148:2424 149:2254 150:870 151:1231 152:1981 153:522 154:4912 155:1379 156:1933 157:1323 158:1085 159:2237 160:2603 161:1586 162:3530 163:1582 164:1695 165:1855 166:1054 167:1729 168:3696 169:901 170:4623 171:890 172:3697 173:2950 174:978 175:1185 176:3752 177:4429 178:3505 179:2124 180:2474 181:3514 182:3318 183:2005 184:2279 185:20528 186:4707 187:4182 188:4151 189:3815 190:9192 191:1435 192:10933 193:8945 194:7259 195:5196 196:3179 197:2465 198:5904 199:6102 200:7866 201:6011 202:10192 203:9981 204:4541 205:3690 206:4298 207:3391 208:4131 209:4893 210:4194 211:2438 212:4244 213:3399 214:1086 215:57 216:6688 217:2782 218:1266 219:404 220:1802 221:977 222:672 223:2141 End of report