IPv4 R&E Routing Table Report 23:05 GMT Tue 14 Jan, 2025 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: 967880 Prefixes after maximum aggregation (per Origin AS): 369849 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 469883 Number of IPv4 prefixes with a valid ROA: 521674 Number of IPv4 prefixes with an invalid ROA: 1228 Number of IPv4 prefixes with no ROA: 444978 Total ASes present in the Internet Routing Table: 76369 Prefixes per ASN: 12.67 Origin-only ASes present in the Internet Routing Table: 65521 Origin ASes announcing only one prefix: 26841 Transit ASes present in the Internet Routing Table: 10848 Transit-only ASes present in the Internet Routing Table: 514 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 204 Max AS path prepend of ASN (153261) 200 Prefixes from unregistered ASNs in the Routing Table: 1057 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 46038 Number of 32-bit ASNs visible in the Routing Table: 37600 Prefixes from 32-bit ASNs in the Routing Table: 196989 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: 497 Number of addresses announced to Internet: 3118616576 Equivalent to 185 /8s, 226 /16s and 80 /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: 316295 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254599 Total APNIC prefixes after maximum aggregation: 76059 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246373 Unique aggregates announced from the APNIC address blocks: 102365 APNIC Region origin ASes present in the Internet Routing Table: 14417 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4407 APNIC Region transit ASes present in the Internet Routing Table: 1927 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 204 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9934 Number of APNIC addresses announced to Internet: 756961024 Equivalent to 45 /8s, 30 /16s and 79 /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: 284773 Total ARIN prefixes after maximum aggregation: 126115 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286602 Unique aggregates announced from the ARIN address blocks: 132556 ARIN Region origin ASes present in the Internet Routing Table: 19166 ARIN Prefixes per ASN: 14.95 ARIN Region origin ASes announcing only one prefix: 7003 ARIN Region transit ASes present in the Internet Routing Table: 1919 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: 5097 Number of ARIN addresses announced to Internet: 1346661888 Equivalent to 80 /8s, 68 /16s and 110 /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: 269783 Total RIPE prefixes after maximum aggregation: 131018 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266721 Unique aggregates announced from the RIPE address blocks: 170493 RIPE Region origin ASes present in the Internet Routing Table: 28812 RIPE Prefixes per ASN: 9.26 RIPE Region origin ASes announcing only one prefix: 12089 RIPE Region transit ASes present in the Internet Routing Table: 3950 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12194 Number of RIPE addresses announced to Internet: 732946176 Equivalent to 43 /8s, 175 /16s and 223 /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: 123280 Total LACNIC prefixes after maximum aggregation: 29344 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 120685 Unique aggregates announced from the LACNIC address blocks: 48870 LACNIC Region origin ASes present in the Internet Routing Table: 11177 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2502 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: 9112 Number of LACNIC addresses announced to Internet: 177468672 Equivalent to 10 /8s, 147 /16s and 245 /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: 34388 Total AfriNIC prefixes after maximum aggregation: 6650 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 47002 Unique aggregates announced from the AfriNIC address blocks: 15180 AfriNIC Region origin ASes present in the Internet Routing Table: 1908 AfriNIC Prefixes per ASN: 24.63 AfriNIC Region origin ASes announcing only one prefix: 692 AfriNIC Region transit ASes present in the Internet Routing Table: 363 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1263 Number of AfriNIC addresses announced to Internet: 104319488 Equivalent to 6 /8s, 55 /16s and 202 /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 10290 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6199 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4371 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4091 524 274 BBIL-AP BHARTI Airtel Ltd., IN 7552 3911 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3249 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2822 846 546 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2221 434 195 TATACOMM-AS TATA Communications formerly 45090 2171 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 12596 38897 3294 AMAZON-02, US 11492 4692 312 555 CABLEONE, US 7155 4172 287 85 VIASAT-SP-BACKBONE, US 174 4165 8763 880 COGENT-174, US 6327 3613 1320 81 SHAW, CA 22773 3382 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54895 2507 DNIC-AS-00749, US 396982 2899 3657 443 GOOGLE-CLOUD-PLATFORM, US 16625 2888 1241 2133 AKAMAI-AS, US 30036 2575 359 268 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 7657 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3906 3395 125 AKAMAI-ASN1, NL 9009 3745 321 1897 M247, RO 12389 2975 2300 886 ROSTELECOM-AS, RU 34984 2370 360 575 TELLCOM-AS, TR 212238 1895 135 1400 CDNEXT, GB 8452 1614 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1498 99 751 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 11612 3227 605 UNINET, MX 10620 3538 491 953 Telmex Colombia S.A., CO 13999 2533 538 368 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 28573 1335 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1170 374 163 Axtel, S.A.B. de C.V., MX 6147 1111 371 22 Telefonica del Peru S.A.A., PE 22884 1073 98 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1003 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 1672 601 30 RAYA-AS, EG 24863 1648 389 18 LINKdotNET-AS, EG 29571 1590 100 96 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1017 523 45 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 832 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 544 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 12596 38897 3294 AMAZON-02, US 8151 11612 3227 605 UNINET, MX 9808 10290 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7657 1709 143 UNI2-AS, ES 7545 6199 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 555 CABLEONE, US 18403 4371 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4172 287 85 VIASAT-SP-BACKBONE, US 174 4165 8763 880 COGENT-174, 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 11612 11007 UNINET, MX 9808 10290 10203 CHINAMOBILE-CN China Mobile Communications Grou 12479 7657 7514 UNI2-AS, ES 7545 6199 5535 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4371 4348 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4137 CABLEONE, US 7155 4172 4087 VIASAT-SP-BACKBONE, US 7552 3911 3886 VIETEL-AS-AP Viettel Group, VN 9498 4091 3817 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, 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 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 23.132.84.0/24 Origin: 7018 ATT-INTERNET4, US 23.132.84.0/24 Transit: 6453 AS6453, 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 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 /11:93 /12:311 /13:588 /14:1219 /15:2148 /16:13951 /17:8205 /18:13622 /19:24423 /20:43672 /21:51738 /22:111734 /23:100120 /24:595982 /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 6622 7657 UNI2-AS, ES 8151 5806 11612 UNINET, MX 11492 3554 4692 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3613 SHAW, CA 7155 3120 4172 VIASAT-SP-BACKBONE, US 22773 2518 3382 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2251 12596 AMAZON-02, US 30036 2236 2575 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2178 3538 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) ---------------------------------------------- 1:2298 2:1546 3:547 4:9 5:4503 6:165 7:6 8:1549 9:1 11:172 12:1387 13:355 14:2489 15:334 16:270 17:359 18:907 20:449 21:4 22:188 23:7181 24:2729 25:2 27:2662 29:19 31:3067 32:37 34:72 35:180 36:2397 37:4503 38:9085 39:880 40:154 41:4161 42:2005 43:2501 44:344 45:18091 46:4937 47:292 49:2003 50:1867 51:587 52:1570 54:307 55:1015 56:8 57:233 58:2208 59:1181 60:1160 61:2840 62:2917 63:1831 64:5398 65:2200 66:4616 67:3007 68:1174 69:3987 70:1105 71:602 72:2858 74:2784 75:1636 76:633 77:2597 78:1846 79:1704 80:2209 81:2045 82:1842 83:1417 84:1797 85:3271 86:985 87:2155 88:1272 89:4325 90:756 91:8304 92:2754 93:2845 94:3837 95:4156 96:1268 97:308 98:978 99:737 100:71 101:1371 102:3509 103:32346 104:4574 105:748 106:1012 107:2596 108:1183 109:4058 110:2227 111:3372 112:2040 113:1791 114:1933 115:2162 116:2021 117:2755 118:2873 119:1947 120:1863 121:1351 122:2726 123:2159 124:1588 125:2868 126:62 128:1567 129:929 130:1243 131:1847 132:799 133:450 134:1512 135:325 136:1310 137:1098 138:2877 139:1563 140:1508 141:1453 142:1818 143:1592 144:1032 145:466 146:2124 147:2034 148:2593 149:2839 150:1202 151:1616 152:2112 153:499 154:7849 155:1539 156:3398 157:1869 158:1255 159:2426 160:3483 161:1786 162:3635 163:1772 164:1684 165:2158 166:1336 167:1869 168:4066 169:789 170:5055 171:1000 172:4002 173:3169 174:915 175:1278 176:3581 177:4847 178:3730 179:2212 180:2520 181:3974 182:3359 183:2078 184:2262 185:21329 186:5096 187:4236 188:4226 189:4107 190:9583 191:1550 192:11208 193:9342 194:7674 195:5413 196:3203 197:3586 198:6016 199:8280 200:8119 201:6253 202:10294 203:10481 204:4543 205:3636 206:4614 207:3485 208:4196 209:5095 210:4536 211:2516 212:4517 213:3729 214:1047 215:42 216:6576 217:3078 218:1334 219:376 220:2107 221:1051 222:720 223:2306 End of report