IPv4 R&E Routing Table Report 23:05 GMT Sun 13 Oct, 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: 955392 Prefixes after maximum aggregation (per Origin AS): 365843 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 467584 Number of IPv4 prefixes with a valid ROA: 504329 Number of IPv4 prefixes with an invalid ROA: 1168 Number of IPv4 prefixes with no ROA: 449895 Total ASes present in the Internet Routing Table: 76103 Prefixes per ASN: 12.55 Origin-only ASes present in the Internet Routing Table: 65387 Origin ASes announcing only one prefix: 26810 Transit ASes present in the Internet Routing Table: 10716 Transit-only ASes present in the Internet Routing Table: 505 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 105 Max AS path prepend of ASN (152084) 100 Prefixes from unregistered ASNs in the Routing Table: 996 Number of instances of unregistered ASNs: 1007 Number of 32-bit ASNs allocated by the RIRs: 45546 Number of 32-bit ASNs visible in the Routing Table: 37142 Prefixes from 32-bit ASNs in the Routing Table: 192459 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: 526 Number of addresses announced to Internet: 3030381824 Equivalent to 180 /8s, 159 /16s and 245 /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: 313678 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252118 Total APNIC prefixes after maximum aggregation: 74871 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 244241 Unique aggregates announced from the APNIC address blocks: 100917 APNIC Region origin ASes present in the Internet Routing Table: 14303 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4341 APNIC Region transit ASes present in the Internet Routing Table: 1896 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 105 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9788 Number of APNIC addresses announced to Internet: 758884096 Equivalent to 45 /8s, 59 /16s and 167 /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: 280201 Total ARIN prefixes after maximum aggregation: 125809 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 283317 Unique aggregates announced from the ARIN address blocks: 135300 ARIN Region origin ASes present in the Internet Routing Table: 19123 ARIN Prefixes per ASN: 14.82 ARIN Region origin ASes announcing only one prefix: 6980 ARIN Region transit ASes present in the Internet Routing Table: 1907 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: 5016 Number of ARIN addresses announced to Internet: 1267271424 Equivalent to 75 /8s, 137 /16s and 7 /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: 267281 Total RIPE prefixes after maximum aggregation: 129194 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263986 Unique aggregates announced from the RIPE address blocks: 168113 RIPE Region origin ASes present in the Internet Routing Table: 28741 RIPE Prefixes per ASN: 9.18 RIPE Region origin ASes announcing only one prefix: 12132 RIPE Region transit ASes present in the Internet Routing Table: 3919 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 54 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12028 Number of RIPE addresses announced to Internet: 722257152 Equivalent to 43 /8s, 12 /16s and 197 /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: 122072 Total LACNIC prefixes after maximum aggregation: 28800 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 119761 Unique aggregates announced from the LACNIC address blocks: 48544 LACNIC Region origin ASes present in the Internet Routing Table: 11158 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2466 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: 9058 Number of LACNIC addresses announced to Internet: 177482752 Equivalent to 10 /8s, 148 /16s and 44 /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: 32724 Total AfriNIC prefixes after maximum aggregation: 6528 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 43561 Unique aggregates announced from the AfriNIC address blocks: 14269 AfriNIC Region origin ASes present in the Internet Routing Table: 1889 AfriNIC Prefixes per ASN: 23.06 AfriNIC Region origin ASes announcing only one prefix: 689 AfriNIC Region transit ASes present in the Internet Routing Table: 362 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1252 Number of AfriNIC addresses announced to Internet: 104204032 Equivalent to 6 /8s, 54 /16s and 7 /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 10058 8750 71 CHINAMOBILE-CN China Mobile Communication 7545 5960 840 657 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4505 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3982 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3839 510 266 BBIL-AP BHARTI Airtel Ltd., IN 7713 3638 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2775 828 539 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2208 434 195 TATACOMM-AS TATA Communications formerly 45090 2208 1439 86 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 10876 11905 3833 AMAZON-02, US 11492 4660 310 547 CABLEONE, US 174 4487 8766 874 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3603 1320 79 SHAW, CA 22773 3410 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3264 54912 2511 DNIC-AS-00749, US 7018 3197 23677 1977 ATT-INTERNET4, US 396982 2865 3652 422 GOOGLE-CLOUD-PLATFORM, US 16625 2800 1226 2106 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 7649 1708 141 UNI2-AS, ES 39891 4668 282 60 ALJAWWALSTC-AS, SA 20940 3798 3395 125 AKAMAI-ASN1, NL 9009 3635 312 1844 M247, RO 12389 2929 2295 882 ROSTELECOM-AS, RU 34984 2333 357 578 TELLCOM-AS, TR 212238 1773 130 1316 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1579 1852 14 TE-AS TE-AS, EG 8551 1475 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 11535 3243 503 UNINET, MX 10620 3545 494 936 Telmex Colombia S.A., CO 13999 2549 534 363 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1319 778 194 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1147 374 163 Axtel, S.A.B. de C.V., MX 6147 1106 369 22 Telefonica del Peru S.A.A., PE 22884 1055 97 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1035 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 24863 1615 389 16 LINKdotNET-AS, EG 24835 1605 557 28 RAYA-AS, EG 36992 1414 1519 283 ETISALAT-MISR, EG 29571 1343 85 61 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 864 523 48 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 37069 557 1100 11 MOBINIL, EG 36914 523 82 3 KENET-AS, KE 15399 508 57 58 WANANCHI-, KE 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 11535 3243 503 UNINET, MX 16509 10876 11905 3833 AMAZON-02, US 9808 10058 8750 71 CHINAMOBILE-CN China Mobile Communication 12479 7649 1708 141 UNI2-AS, ES 7545 5960 840 657 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 282 60 ALJAWWALSTC-AS, SA 11492 4660 310 547 CABLEONE, US 18403 4505 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4487 8766 874 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 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 10058 9987 CHINAMOBILE-CN China Mobile Communications Grou 12479 7649 7508 UNI2-AS, ES 16509 10876 7043 AMAZON-02, US 7545 5960 5303 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4668 4608 ALJAWWALSTC-AS, SA 18403 4505 4482 FPT-AS-AP FPT Telecom Company, VN 11492 4660 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3982 3957 VIETEL-AS-AP Viettel Group, VN 20940 3798 3673 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: 6461 ZAYO-6461, US 23.139.40.0/24 Origin: 202736 WISDOM, SG 23.139.40.0/24 Transit: 984 OWS, US 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 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 /10:36 /11:91 /12:296 /13:576 /14:1171 /15:2057 /16:13180 /17:8173 /18:13608 /19:24252 /20:43524 /21:51587 /22:111353 /23:99258 /24:586198 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6709 7649 UNI2-AS, ES 8151 5715 11535 UNINET, MX 11492 3555 4660 CABLEONE, US 39891 3428 4668 ALJAWWALSTC-AS, SA 6327 3398 3603 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2542 3410 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2221 10876 AMAZON-02, US 10620 2174 3545 Telmex Colombia S.A., CO 30036 2174 2513 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2273 2:1524 3:502 4:8 5:4477 6:169 7:6 8:1509 9:1 11:172 12:1425 13:371 14:2432 15:330 16:264 17:355 18:890 20:410 21:4 22:188 23:6848 24:2639 25:2 27:2649 29:19 31:2810 32:44 34:68 35:140 36:2355 37:4537 38:8670 39:919 40:153 41:4121 42:2157 43:2404 44:335 45:17518 46:4655 47:300 49:2005 50:1875 51:581 52:1579 54:318 55:955 56:8 57:222 58:2174 59:1199 60:1132 61:2769 62:2790 63:1853 64:5403 65:2268 66:4634 67:2997 68:1333 69:3998 70:1131 71:566 72:2859 74:2776 75:1625 76:632 77:2575 78:1863 79:1656 80:2191 81:2022 82:1738 83:1375 84:1742 85:3087 86:1007 87:2150 88:1254 89:4334 90:668 91:8238 92:2596 93:2793 94:3788 95:4298 96:1262 97:316 98:1075 99:740 100:74 101:1162 102:3416 103:32258 104:4453 105:705 106:984 107:2384 108:1162 109:4006 110:2182 111:3317 112:2046 113:1773 114:1921 115:2107 116:1959 117:2712 118:2872 119:1983 120:1869 121:1350 122:2687 123:2137 124:1613 125:2831 126:64 128:1397 129:929 130:1235 131:1820 132:809 133:444 134:1511 135:313 136:1215 137:1079 138:2859 139:1525 140:1456 141:1437 142:1768 143:1572 144:1023 145:387 146:2079 147:2043 148:2532 149:2827 150:1065 151:1384 152:2103 153:499 154:7024 155:1478 156:2582 157:1829 158:1201 159:2434 160:3175 161:1733 162:3565 163:1750 164:1926 165:2136 166:1293 167:1848 168:4057 169:783 170:4921 171:1028 172:3884 173:3107 174:908 175:1270 176:3469 177:4755 178:3580 179:2218 180:2488 181:3877 182:3320 183:2054 184:2256 185:21097 186:5055 187:4213 188:4238 189:4067 190:9650 191:1529 192:11039 193:9253 194:7583 195:5397 196:3223 197:3080 198:5909 199:8161 200:8045 201:6313 202:10215 203:10365 204:4588 205:3641 206:4578 207:3577 208:4186 209:5127 210:4498 211:2565 212:4484 213:3628 214:1062 215:48 216:6610 217:2990 218:1321 219:394 220:2068 221:1047 222:717 223:2247 End of report