IPv4 R&E Routing Table Report 23:05 GMT Tue 17 Sep, 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: 951226 Prefixes after maximum aggregation (per Origin AS): 364743 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 465955 Number of IPv4 prefixes with a valid ROA: 497944 Number of IPv4 prefixes with an invalid ROA: 1309 Number of IPv4 prefixes with no ROA: 451973 Total ASes present in the Internet Routing Table: 75993 Prefixes per ASN: 12.52 Origin-only ASes present in the Internet Routing Table: 65273 Origin ASes announcing only one prefix: 26774 Transit ASes present in the Internet Routing Table: 10720 Transit-only ASes present in the Internet Routing Table: 508 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 963 Number of instances of unregistered ASNs: 970 Number of 32-bit ASNs allocated by the RIRs: 45387 Number of 32-bit ASNs visible in the Routing Table: 37012 Prefixes from 32-bit ASNs in the Routing Table: 191514 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 551 Number of addresses announced to Internet: 3033348864 Equivalent to 180 /8s, 205 /16s and 59 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 312551 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251223 Total APNIC prefixes after maximum aggregation: 74751 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 243003 Unique aggregates announced from the APNIC address blocks: 100537 APNIC Region origin ASes present in the Internet Routing Table: 14254 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4333 APNIC Region transit ASes present in the Internet Routing Table: 1894 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9734 Number of APNIC addresses announced to Internet: 761390592 Equivalent to 45 /8s, 97 /16s and 230 /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: 278708 Total ARIN prefixes after maximum aggregation: 125772 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 282494 Unique aggregates announced from the ARIN address blocks: 135123 ARIN Region origin ASes present in the Internet Routing Table: 19113 ARIN Prefixes per ASN: 14.78 ARIN Region origin ASes announcing only one prefix: 6972 ARIN Region transit ASes present in the Internet Routing Table: 1912 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4996 Number of ARIN addresses announced to Internet: 1266717184 Equivalent to 75 /8s, 128 /16s and 146 /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, 393216-402332 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: 265853 Total RIPE prefixes after maximum aggregation: 128608 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 262237 Unique aggregates announced from the RIPE address blocks: 166884 RIPE Region origin ASes present in the Internet Routing Table: 28699 RIPE Prefixes per ASN: 9.14 RIPE Region origin ASes announcing only one prefix: 12107 RIPE Region transit ASes present in the Internet Routing Table: 3922 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11974 Number of RIPE addresses announced to Internet: 723187968 Equivalent to 43 /8s, 26 /16s and 249 /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: 122569 Total LACNIC prefixes after maximum aggregation: 28762 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120371 Unique aggregates announced from the LACNIC address blocks: 48602 LACNIC Region origin ASes present in the Internet Routing Table: 11163 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2471 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9065 Number of LACNIC addresses announced to Internet: 177693696 Equivalent to 10 /8s, 151 /16s and 100 /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: 31910 Total AfriNIC prefixes after maximum aggregation: 6223 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 42570 Unique aggregates announced from the AfriNIC address blocks: 14341 AfriNIC Region origin ASes present in the Internet Routing Table: 1876 AfriNIC Prefixes per ASN: 22.69 AfriNIC Region origin ASes announcing only one prefix: 684 AfriNIC Region transit ASes present in the Internet Routing Table: 357 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1243 Number of AfriNIC addresses announced to Internet: 104054016 Equivalent to 6 /8s, 51 /16s and 189 /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 9938 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5725 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4351 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3983 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3788 507 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3628 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2813 843 467 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2210 434 195 TATACOMM-AS TATA Communications formerly 45090 2188 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10711 11804 3752 AMAZON-02, US 11492 4644 309 547 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3982 8780 906 COGENT-174, US 6327 3602 1320 79 SHAW, CA 749 3486 55081 2709 DNIC-AS-00749, US 22773 3428 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3095 23686 1939 ATT-INTERNET4, US 396982 2819 3574 432 GOOGLE-CLOUD-PLATFORM, US 16625 2800 1241 2108 AKAMAI-AS, 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 7637 1708 145 UNI2-AS, ES 39891 4466 269 55 ALJAWWALSTC-AS, SA 20940 3788 3395 125 AKAMAI-ASN1, NL 9009 3664 312 1874 M247, RO 12389 2855 2282 863 ROSTELECOM-AS, RU 34984 2334 359 585 TELLCOM-AS, TR 212238 1822 130 1342 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1581 1852 14 TE-AS TE-AS, EG 8551 1439 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11692 3251 498 UNINET, MX 10620 3543 494 935 Telmex Colombia S.A., CO 13999 2552 534 364 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad y 28573 1336 2309 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1322 782 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1148 374 163 Axtel, S.A.B. de C.V., MX 6147 1104 369 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1044 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 1622 593 29 RAYA-AS, EG 24863 1609 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1336 85 65 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 975 523 48 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 36914 521 82 3 KENET-AS, KE 15399 511 57 58 WANANCHI-, KE 37342 425 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 11692 3251 498 UNINET, MX 16509 10711 11804 3752 AMAZON-02, US 9808 9938 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7637 1708 145 UNI2-AS, ES 7545 5725 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4644 309 547 CABLEONE, US 39891 4466 269 55 ALJAWWALSTC-AS, SA 18403 4351 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 7552 3983 1331 21 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 9938 9863 CHINAMOBILE-CN China Mobile Communications Grou 12479 7637 7492 UNI2-AS, ES 16509 10711 6959 AMAZON-02, US 7545 5725 5066 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4466 4411 ALJAWWALSTC-AS, SA 18403 4351 4328 FPT-AS-AP FPT Telecom Company, VN 11492 4644 4097 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3983 3962 VIETEL-AS-AP Viettel Group, VN 20940 3788 3663 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-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 21949 BEANFIELD, CA 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /9:16 /10:37 /11:92 /12:295 /13:573 /14:1166 /15:2063 /16:13159 /17:8143 /18:13604 /19:24252 /20:43419 /21:51345 /22:111025 /23:99366 /24:582647 /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 6693 7637 UNI2-AS, ES 8151 5860 11692 UNINET, MX 11492 3554 4644 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3356 4466 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2562 3428 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2172 3543 Telmex Colombia S.A., CO 30036 2168 2506 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2166 10711 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2278 2:1515 3:470 4:8 5:4486 6:161 7:6 8:1507 9:1 11:172 12:1426 13:373 14:2376 15:328 16:259 17:359 18:888 20:408 21:4 22:188 23:6833 24:2677 25:2 27:2624 29:19 31:2719 32:44 34:68 35:138 36:2358 37:4500 38:8548 39:916 40:154 41:4072 42:2023 43:2412 44:331 45:17485 46:4625 47:299 49:1974 50:1876 51:579 52:1581 54:316 55:957 56:8 57:216 58:2170 59:1200 60:1073 61:2759 62:2777 63:1845 64:5436 65:2279 66:4649 67:3017 68:1342 69:3998 70:1141 71:564 72:2859 74:2776 75:1633 76:618 77:2533 78:1857 79:1614 80:2192 81:2019 82:1684 83:1375 84:1759 85:3147 86:999 87:2075 88:1245 89:4302 90:683 91:8233 92:2488 93:2711 94:3758 95:4277 96:1275 97:315 98:1073 99:737 100:73 101:1158 102:3376 103:32214 104:4381 105:708 106:984 107:2379 108:1155 109:3955 110:2136 111:3240 112:2049 113:1800 114:1883 115:2040 116:1957 117:2671 118:2865 119:1986 120:1804 121:1350 122:2695 123:2131 124:1619 125:2820 126:64 128:1365 129:930 130:1211 131:1852 132:812 133:428 134:1506 135:310 136:1197 137:1071 138:2846 139:1511 140:1450 141:1447 142:1743 143:1620 144:1022 145:368 146:2057 147:2033 148:2541 149:2789 150:1069 151:1367 152:2093 153:502 154:6517 155:1438 156:2449 157:1801 158:1188 159:2440 160:3085 161:1722 162:3557 163:1749 164:1690 165:2139 166:1305 167:1841 168:4039 169:760 170:4962 171:1031 172:3899 173:3095 174:902 175:1252 176:3461 177:4944 178:3583 179:2212 180:2451 181:3899 182:3319 183:2038 184:2260 185:21032 186:5024 187:4289 188:4116 189:4156 190:9628 191:1535 192:11020 193:9229 194:7538 195:5384 196:3193 197:2625 198:5912 199:8100 200:8137 201:6361 202:10227 203:10335 204:4582 205:3634 206:4466 207:3557 208:4173 209:5099 210:4498 211:2558 212:4414 213:3657 214:1064 215:62 216:6642 217:2949 218:1323 219:388 220:2035 221:1046 222:709 223:2235 End of report