IPv4 R&E Routing Table Report 23:05 GMT Mon 16 Dec, 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: 963626 Prefixes after maximum aggregation (per Origin AS): 368140 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 466775 Number of IPv4 prefixes with a valid ROA: 516927 Number of IPv4 prefixes with an invalid ROA: 748 Number of IPv4 prefixes with no ROA: 445951 Total ASes present in the Internet Routing Table: 76333 Prefixes per ASN: 12.62 Origin-only ASes present in the Internet Routing Table: 65523 Origin ASes announcing only one prefix: 26836 Transit ASes present in the Internet Routing Table: 10810 Transit-only ASes present in the Internet Routing Table: 509 Paths with bogon ASNs present in the IPv4 Routing Table: 6 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: 1043 Number of instances of unregistered ASNs: 1048 Number of 32-bit ASNs allocated by the RIRs: 45980 Number of 32-bit ASNs visible in the Routing Table: 37510 Prefixes from 32-bit ASNs in the Routing Table: 195549 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 483 Number of addresses announced to Internet: 3118070528 Equivalent to 185 /8s, 217 /16s and 251 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 315799 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252814 Total APNIC prefixes after maximum aggregation: 75573 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 245301 Unique aggregates announced from the APNIC address blocks: 102185 APNIC Region origin ASes present in the Internet Routing Table: 14415 APNIC Prefixes per ASN: 17.02 APNIC Region origin ASes announcing only one prefix: 4405 APNIC Region transit ASes present in the Internet Routing Table: 1927 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9919 Number of APNIC addresses announced to Internet: 756102400 Equivalent to 45 /8s, 17 /16s and 53 /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: 284133 Total ARIN prefixes after maximum aggregation: 125733 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 285939 Unique aggregates announced from the ARIN address blocks: 130959 ARIN Region origin ASes present in the Internet Routing Table: 19154 ARIN Prefixes per ASN: 14.93 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1922 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5080 Number of ARIN addresses announced to Internet: 1345893632 Equivalent to 80 /8s, 56 /16s and 181 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 268627 Total RIPE prefixes after maximum aggregation: 130408 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265581 Unique aggregates announced from the RIPE address blocks: 169925 RIPE Region origin ASes present in the Internet Routing Table: 28803 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12118 RIPE Region transit ASes present in the Internet Routing Table: 3940 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12155 Number of RIPE addresses announced to Internet: 734337792 Equivalent to 43 /8s, 197 /16s and 27 /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, 53/8, 57/8, 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: 123051 Total LACNIC prefixes after maximum aggregation: 29165 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120535 Unique aggregates announced from the LACNIC address blocks: 48652 LACNIC Region origin ASes present in the Internet Routing Table: 11171 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2647 LACNIC Region transit ASes present in the Internet Routing Table: 2491 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: 9090 Number of LACNIC addresses announced to Internet: 177526784 Equivalent to 10 /8s, 148 /16s and 216 /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: 33958 Total AfriNIC prefixes after maximum aggregation: 6611 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 45787 Unique aggregates announced from the AfriNIC address blocks: 14649 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 23.97 AfriNIC Region origin ASes announcing only one prefix: 698 AfriNIC Region transit ASes present in the Internet Routing Table: 361 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1266 Number of AfriNIC addresses announced to Internet: 103958272 Equivalent to 6 /8s, 50 /16s and 71 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10091 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6196 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4475 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3983 519 287 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3671 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3248 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2790 835 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2219 434 194 TATACOMM-AS TATA Communications formerly 45090 2207 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 12518 38458 2998 AMAZON-02, US 11492 4691 312 558 CABLEONE, US 174 4251 8764 878 COGENT-174, US 7155 4164 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3394 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3221 23506 2051 ATT-INTERNET4, US 396982 2891 3656 437 GOOGLE-CLOUD-PLATFORM, US 16625 2801 1219 2101 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 7698 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3871 3395 125 AKAMAI-ASN1, NL 9009 3696 318 1870 M247, RO 12389 2953 2294 881 ROSTELECOM-AS, RU 34984 2348 360 576 TELLCOM-AS, TR 212238 1830 132 1351 CDNEXT, GB 8452 1627 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1495 98 748 CLOUVIDER Clouvider - Global ASN, GB 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 11518 3226 604 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2543 542 372 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1169 374 163 Axtel, S.A.B. de C.V., MX 6147 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1069 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1002 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 1640 389 18 LINKdotNET-AS, EG 24835 1619 560 27 RAYA-AS, EG 29571 1448 92 58 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 20011 967 179 271 INTERNET-SOLUTIONS, ZA 36935 906 523 47 Vodafone-, EG 37069 774 1083 15 MOBINIL, EG 6713 559 1861 35 IAM-AS, MA 36914 537 82 3 KENET-AS, 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 16509 12518 38458 2998 AMAZON-02, US 8151 11518 3226 604 UNINET, MX 9808 10091 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7698 1709 143 UNI2-AS, ES 7545 6196 842 665 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4691 312 558 CABLEONE, US 18403 4475 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4251 8764 878 COGENT-174, US 7155 4164 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 8151 11518 10914 UNINET, MX 9808 10091 10003 CHINAMOBILE-CN China Mobile Communications Grou 12479 7698 7555 UNI2-AS, ES 7545 6196 5531 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4475 4452 FPT-AS-AP FPT Telecom Company, VN 11492 4691 4133 CABLEONE, US 7155 4164 4079 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 20940 3871 3746 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 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 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 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 /10:42 /11:94 /12:312 /13:589 /14:1221 /15:2148 /16:13908 /17:8191 /18:13607 /19:24462 /20:43535 /21:51733 /22:111454 /23:99784 /24:592514 /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 6675 7698 UNI2-AS, ES 8151 5712 11518 UNINET, MX 11492 3555 4691 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3112 4164 VIASAT-SP-BACKBONE, US 22773 2529 3394 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2267 12518 AMAZON-02, US 30036 2220 2559 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 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) ---------------------------------------------- 1:2304 2:1551 3:525 4:8 5:4470 6:166 7:6 8:1540 9:1 11:172 12:1394 13:360 14:2470 15:333 16:270 17:357 18:905 20:446 21:4 22:188 23:7101 24:2735 25:2 27:2659 29:19 31:3045 32:37 34:74 35:177 36:2391 37:4476 38:8821 39:879 40:149 41:4167 42:2083 43:2479 44:345 45:17848 46:4944 47:297 49:1987 50:1857 51:580 52:1574 54:315 55:936 56:8 57:231 58:2215 59:1181 60:1153 61:2801 62:2875 63:1826 64:5415 65:2217 66:4621 67:3023 68:1288 69:3977 70:1110 71:594 72:2855 74:2778 75:1634 76:630 77:2543 78:1845 79:1686 80:2198 81:2030 82:1770 83:1393 84:1769 85:3187 86:974 87:2152 88:1263 89:4340 90:747 91:8248 92:2727 93:2828 94:3835 95:4186 96:1244 97:312 98:1064 99:731 100:71 101:1418 102:3446 103:32248 104:4423 105:744 106:1009 107:2456 108:1174 109:4044 110:2235 111:3266 112:2040 113:1788 114:1933 115:2129 116:2015 117:2672 118:2881 119:1957 120:1857 121:1325 122:2710 123:2157 124:1591 125:2829 126:62 128:1531 129:936 130:1257 131:1868 132:792 133:449 134:1506 135:327 136:1336 137:1096 138:2900 139:1542 140:1496 141:1452 142:1846 143:1595 144:1027 145:406 146:2115 147:2027 148:2578 149:2817 150:1162 151:1481 152:2107 153:499 154:7583 155:1565 156:2941 157:1851 158:1220 159:2429 160:3408 161:1744 162:3601 163:1777 164:1692 165:2149 166:1343 167:1856 168:4059 169:792 170:5040 171:1001 172:3993 173:3173 174:915 175:1276 176:3551 177:4830 178:3705 179:2228 180:2532 181:3961 182:3356 183:2092 184:2258 185:21261 186:5025 187:4235 188:4210 189:4143 190:9630 191:1523 192:11188 193:9278 194:7671 195:5402 196:3208 197:3592 198:5951 199:8267 200:8059 201:6313 202:10242 203:10405 204:4610 205:3640 206:4618 207:3462 208:4215 209:5078 210:4469 211:2511 212:4485 213:3745 214:1051 215:48 216:6571 217:3075 218:1308 219:377 220:2102 221:1051 222:708 223:2287 End of report