IPv4 R&E Routing Table Report 23:05 GMT Tue 17 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: 964318 Prefixes after maximum aggregation (per Origin AS): 368240 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 467584 Number of IPv4 prefixes with a valid ROA: 517139 Number of IPv4 prefixes with an invalid ROA: 1169 Number of IPv4 prefixes with no ROA: 446010 Total ASes present in the Internet Routing Table: 76334 Prefixes per ASN: 12.63 Origin-only ASes present in the Internet Routing Table: 65544 Origin ASes announcing only one prefix: 26825 Transit ASes present in the Internet Routing Table: 10790 Transit-only ASes present in the Internet Routing Table: 506 Paths with bogon ASNs present in the IPv4 Routing Table: 5 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: 1042 Number of instances of unregistered ASNs: 1047 Number of 32-bit ASNs allocated by the RIRs: 45980 Number of 32-bit ASNs visible in the Routing Table: 37517 Prefixes from 32-bit ASNs in the Routing Table: 195513 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 480 Number of addresses announced to Internet: 3117782016 Equivalent to 185 /8s, 213 /16s and 148 /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: 315683 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253206 Total APNIC prefixes after maximum aggregation: 75631 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 245680 Unique aggregates announced from the APNIC address blocks: 102399 APNIC Region origin ASes present in the Internet Routing Table: 14411 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4400 APNIC Region transit ASes present in the Internet Routing Table: 1912 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: 9915 Number of APNIC addresses announced to Internet: 756243968 Equivalent to 45 /8s, 19 /16s and 94 /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: 284467 Total ARIN prefixes after maximum aggregation: 125565 ARIN Deaggregation factor: 2.27 Prefixes being announced from the ARIN address blocks: 286163 Unique aggregates announced from the ARIN address blocks: 131305 ARIN Region origin ASes present in the Internet Routing Table: 19149 ARIN Prefixes per ASN: 14.94 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1921 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: 5079 Number of ARIN addresses announced to Internet: 1345455104 Equivalent to 80 /8s, 50 /16s and 4 /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: 268685 Total RIPE prefixes after maximum aggregation: 130491 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265692 Unique aggregates announced from the RIPE address blocks: 170018 RIPE Region origin ASes present in the Internet Routing Table: 28814 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12114 RIPE Region transit ASes present in the Internet Routing Table: 3939 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12163 Number of RIPE addresses announced to Internet: 734343168 Equivalent to 43 /8s, 197 /16s and 48 /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: 123033 Total LACNIC prefixes after maximum aggregation: 29270 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 120530 Unique aggregates announced from the LACNIC address blocks: 48748 LACNIC Region origin ASes present in the Internet Routing Table: 11175 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2646 LACNIC Region transit ASes present in the Internet Routing Table: 2485 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: 9095 Number of LACNIC addresses announced to Internet: 177538816 Equivalent to 10 /8s, 149 /16s and 7 /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: 33885 Total AfriNIC prefixes after maximum aggregation: 6630 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 45773 Unique aggregates announced from the AfriNIC address blocks: 14705 AfriNIC Region origin ASes present in the Internet Routing Table: 1908 AfriNIC Prefixes per ASN: 23.99 AfriNIC Region origin ASes announcing only one prefix: 698 AfriNIC Region transit ASes present in the Internet Routing Table: 360 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: 1265 Number of AfriNIC addresses announced to Internet: 103944192 Equivalent to 6 /8s, 50 /16s and 16 /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 10092 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6193 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4528 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4032 522 280 BBIL-AP BHARTI Airtel Ltd., IN 7552 3915 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3689 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3248 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2803 837 540 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 12503 38199 2999 AMAZON-02, US 11492 4691 312 558 CABLEONE, US 174 4252 8764 879 COGENT-174, US 7155 4165 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3393 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3226 23507 2056 ATT-INTERNET4, US 396982 2892 3656 438 GOOGLE-CLOUD-PLATFORM, US 16625 2815 1220 2107 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 3875 3395 125 AKAMAI-ASN1, NL 9009 3696 318 1870 M247, RO 12389 2953 2294 881 ROSTELECOM-AS, RU 34984 2344 359 578 TELLCOM-AS, TR 212238 1840 133 1358 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 11516 3227 606 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2542 542 372 Mega Cable, S.A. de C.V., MX 11830 1994 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 1166 374 163 Axtel, S.A.B. de C.V., MX 6147 1116 371 22 Telefonica del Peru S.A.A., PE 22884 1070 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 24835 1649 593 29 RAYA-AS, EG 24863 1595 389 16 LINKdotNET-AS, EG 29571 1448 92 58 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 999 520 40 Vodafone-, EG 20011 949 178 300 INTERNET-SOLUTIONS, ZA 37069 828 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 37342 516 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 16509 12503 38199 2999 AMAZON-02, US 8151 11516 3227 606 UNINET, MX 9808 10092 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7698 1709 143 UNI2-AS, ES 7545 6193 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4691 312 558 CABLEONE, US 18403 4528 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4252 8764 879 COGENT-174, US 7155 4165 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 11516 10910 UNINET, MX 9808 10092 10004 CHINAMOBILE-CN China Mobile Communications Grou 12479 7698 7555 UNI2-AS, ES 7545 6193 5531 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4528 4505 FPT-AS-AP FPT Telecom Company, VN 11492 4691 4133 CABLEONE, US 7155 4165 4080 VIASAT-SP-BACKBONE, US 7552 3915 3890 VIETEL-AS-AP Viettel Group, VN 9498 4032 3752 BBIL-AP BHARTI Airtel Ltd., IN 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 /12:311 /13:589 /14:1221 /15:2148 /16:13922 /17:8191 /18:13615 /19:24487 /20:43627 /21:51756 /22:111519 /23:99774 /24:592990 /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 11516 UNINET, MX 11492 3555 4691 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3113 4165 VIASAT-SP-BACKBONE, US 22773 2528 3393 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2262 12503 AMAZON-02, US 30036 2222 2561 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) ---------------------------------------------- 1:2305 2:1558 3:524 4:8 5:4473 6:166 7:6 8:1540 9:1 11:172 12:1395 13:358 14:2467 15:331 16:269 17:357 18:906 20:446 21:4 22:188 23:7114 24:2725 25:2 27:2660 29:19 31:3044 32:37 34:74 35:177 36:2390 37:4479 38:8822 39:879 40:149 41:4084 42:2131 43:2488 44:345 45:17867 46:4964 47:297 49:1987 50:1865 51:584 52:1573 54:315 55:1033 56:8 57:231 58:2211 59:1180 60:1153 61:2810 62:2875 63:1827 64:5406 65:2217 66:4613 67:3018 68:1288 69:3966 70:1110 71:596 72:2855 74:2784 75:1634 76:629 77:2543 78:1844 79:1687 80:2197 81:2029 82:1770 83:1397 84:1769 85:3189 86:975 87:2154 88:1264 89:4341 90:747 91:8248 92:2746 93:2830 94:3836 95:4172 96:1246 97:312 98:1065 99:729 100:71 101:1418 102:3445 103:32334 104:4439 105:744 106:1010 107:2599 108:1176 109:4043 110:2234 111:3310 112:2040 113:1773 114:1934 115:2171 116:2017 117:2686 118:2887 119:1953 120:1857 121:1328 122:2715 123:2156 124:1591 125:2844 126:62 128:1563 129:925 130:1255 131:1855 132:798 133:449 134:1507 135:327 136:1334 137:1097 138:2877 139:1545 140:1506 141:1453 142:1831 143:1595 144:1028 145:406 146:2116 147:2025 148:2577 149:2814 150:1161 151:1477 152:2113 153:500 154:7640 155:1568 156:2940 157:1850 158:1222 159:2427 160:3411 161:1746 162:3600 163:1775 164:1694 165:2148 166:1343 167:1853 168:4084 169:792 170:5061 171:994 172:3997 173:3179 174:914 175:1269 176:3551 177:4822 178:3707 179:2247 180:2528 181:3959 182:3356 183:2092 184:2257 185:21260 186:5044 187:4235 188:4202 189:4138 190:9618 191:1522 192:11162 193:9281 194:7672 195:5407 196:3206 197:3452 198:5960 199:8268 200:8059 201:6307 202:10237 203:10432 204:4615 205:3643 206:4612 207:3465 208:4209 209:5070 210:4486 211:2512 212:4490 213:3749 214:1062 215:48 216:6573 217:3078 218:1308 219:377 220:2103 221:1051 222:713 223:2288 End of report