IPv4 R&E Routing Table Report 23:05 GMT Mon 28 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: 957310 Prefixes after maximum aggregation (per Origin AS): 366517 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 468530 Number of IPv4 prefixes with a valid ROA: 506336 Number of IPv4 prefixes with an invalid ROA: 1207 Number of IPv4 prefixes with no ROA: 449767 Total ASes present in the Internet Routing Table: 76169 Prefixes per ASN: 12.57 Origin-only ASes present in the Internet Routing Table: 65428 Origin ASes announcing only one prefix: 26759 Transit ASes present in the Internet Routing Table: 10741 Transit-only ASes present in the Internet Routing Table: 507 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 990 Number of instances of unregistered ASNs: 1001 Number of 32-bit ASNs allocated by the RIRs: 45667 Number of 32-bit ASNs visible in the Routing Table: 37261 Prefixes from 32-bit ASNs in the Routing Table: 193493 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 530 Number of addresses announced to Internet: 3026466048 Equivalent to 180 /8s, 100 /16s and 53 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 313950 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252552 Total APNIC prefixes after maximum aggregation: 74969 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 244455 Unique aggregates announced from the APNIC address blocks: 101173 APNIC Region origin ASes present in the Internet Routing Table: 14331 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4361 APNIC Region transit ASes present in the Internet Routing Table: 1896 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: 9825 Number of APNIC addresses announced to Internet: 756138752 Equivalent to 45 /8s, 17 /16s and 195 /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: 280766 Total ARIN prefixes after maximum aggregation: 125886 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284096 Unique aggregates announced from the ARIN address blocks: 135666 ARIN Region origin ASes present in the Internet Routing Table: 19141 ARIN Prefixes per ASN: 14.84 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1910 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5037 Number of ARIN addresses announced to Internet: 1266657280 Equivalent to 75 /8s, 127 /16s and 168 /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: 267246 Total RIPE prefixes after maximum aggregation: 129626 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 264099 Unique aggregates announced from the RIPE address blocks: 168441 RIPE Region origin ASes present in the Internet Routing Table: 28749 RIPE Prefixes per ASN: 9.19 RIPE Region origin ASes announcing only one prefix: 12111 RIPE Region transit ASes present in the Internet Routing Table: 3930 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12064 Number of RIPE addresses announced to Internet: 721768704 Equivalent to 43 /8s, 5 /16s and 81 /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: 122812 Total LACNIC prefixes after maximum aggregation: 28840 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120375 Unique aggregates announced from the LACNIC address blocks: 48506 LACNIC Region origin ASes present in the Internet Routing Table: 11164 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2628 LACNIC Region transit ASes present in the Internet Routing Table: 2471 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9076 Number of LACNIC addresses announced to Internet: 177458688 Equivalent to 10 /8s, 147 /16s and 206 /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: 32944 Total AfriNIC prefixes after maximum aggregation: 6556 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 43755 Unique aggregates announced from the AfriNIC address blocks: 14300 AfriNIC Region origin ASes present in the Internet Routing Table: 1892 AfriNIC Prefixes per ASN: 23.13 AfriNIC Region origin ASes announcing only one prefix: 690 AfriNIC Region transit ASes present in the Internet Routing Table: 359 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1259 Number of AfriNIC addresses announced to Internet: 104158464 Equivalent to 6 /8s, 53 /16s and 85 /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 10090 8752 83 CHINAMOBILE-CN China Mobile Communication 7545 5994 840 654 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4556 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3919 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3851 511 266 BBIL-AP BHARTI Airtel Ltd., IN 7713 3651 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3254 1871 101 VNPT-AS-VN VNPT Corp, VN 24560 2783 829 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2211 434 195 TATACOMM-AS TATA Communications formerly 45090 2206 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 10945 11919 3834 AMAZON-02, US 11492 4660 310 547 CABLEONE, US 174 4474 8756 837 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3605 1320 79 SHAW, CA 22773 3416 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3263 54896 2510 DNIC-AS-00749, US 7018 3180 23671 1975 ATT-INTERNET4, US 396982 2866 3654 420 GOOGLE-CLOUD-PLATFORM, US 16625 2797 1222 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 7646 1709 143 UNI2-AS, ES 39891 4720 289 58 ALJAWWALSTC-AS, SA 20940 3835 3395 125 AKAMAI-ASN1, NL 9009 3595 312 1859 M247, RO 12389 2942 2294 878 ROSTELECOM-AS, RU 34984 2341 359 578 TELLCOM-AS, TR 212238 1807 133 1342 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1568 1852 14 TE-AS TE-AS, EG 8551 1474 366 32 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 11570 3237 507 UNINET, MX 10620 3544 494 941 Telmex Colombia S.A., CO 13999 2530 533 358 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1338 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 779 200 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1160 374 163 Axtel, S.A.B. de C.V., MX 6147 1113 369 22 Telefonica del Peru S.A.A., PE 22884 1059 97 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1037 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 1637 593 29 RAYA-AS, EG 24863 1618 389 16 LINKdotNET-AS, EG 36992 1415 1519 283 ETISALAT-MISR, EG 29571 1359 86 59 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 988 523 46 Vodafone-, EG 37069 591 1099 13 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 529 82 3 KENET-AS, KE 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 8151 11570 3237 507 UNINET, MX 16509 10945 11919 3834 AMAZON-02, US 9808 10090 8752 83 CHINAMOBILE-CN China Mobile Communication 12479 7646 1709 143 UNI2-AS, ES 7545 5994 840 654 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 289 58 ALJAWWALSTC-AS, SA 11492 4660 310 547 CABLEONE, US 18403 4556 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4474 8756 837 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 10090 10007 CHINAMOBILE-CN China Mobile Communications Grou 12479 7646 7503 UNI2-AS, ES 16509 10945 7111 AMAZON-02, US 7545 5994 5340 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 4662 ALJAWWALSTC-AS, SA 18403 4556 4533 FPT-AS-AP FPT Telecom Company, VN 11492 4660 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3919 3894 VIETEL-AS-AP Viettel Group, VN 20940 3835 3710 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 23.139.88.0/24 Origin: 397244 RESERVED, ZZ 23.139.88.0/24 Transit: 33387 NOCIX, 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 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 /10:36 /11:91 /12:295 /13:574 /14:1170 /15:2055 /16:13126 /17:8143 /18:13594 /19:24223 /20:43563 /21:51583 /22:111435 /23:99253 /24:588137 /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 6700 7646 UNI2-AS, ES 8151 5754 11570 UNINET, MX 11492 3555 4660 CABLEONE, US 39891 3412 4720 ALJAWWALSTC-AS, SA 6327 3400 3605 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2546 3416 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2226 10945 AMAZON-02, US 30036 2186 2525 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2174 3544 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) ---------------------------------------------- 1:2277 2:1532 3:508 4:8 5:4419 6:170 7:6 8:1506 9:1 11:172 12:1421 13:371 14:2438 15:331 16:264 17:357 18:899 20:441 21:4 22:188 23:6914 24:2645 25:2 27:2650 29:19 31:2896 32:44 34:73 35:140 36:2357 37:4436 38:8742 39:918 40:153 41:4106 42:2188 43:2425 44:331 45:17650 46:4704 47:299 49:2006 50:1864 51:580 52:1583 54:317 55:954 56:8 57:222 58:2185 59:1203 60:1146 61:2768 62:2824 63:1854 64:5409 65:2288 66:4642 67:3010 68:1329 69:4010 70:1128 71:562 72:2846 74:2776 75:1629 76:630 77:2573 78:1862 79:1656 80:2193 81:2029 82:1779 83:1374 84:1748 85:3088 86:958 87:2151 88:1241 89:4364 90:701 91:8210 92:2610 93:2812 94:3798 95:4285 96:1264 97:315 98:1074 99:740 100:72 101:1161 102:3433 103:32253 104:4408 105:709 106:985 107:2387 108:1154 109:4042 110:2209 111:3304 112:2038 113:1776 114:1929 115:2121 116:1961 117:2713 118:2874 119:1979 120:1867 121:1347 122:2692 123:2141 124:1620 125:2826 126:64 128:1412 129:930 130:1233 131:1867 132:808 133:446 134:1525 135:315 136:1262 137:1090 138:2904 139:1543 140:1481 141:1566 142:1806 143:1603 144:1023 145:396 146:2096 147:2043 148:2545 149:2813 150:1124 151:1431 152:2102 153:499 154:6934 155:1541 156:2583 157:1838 158:1214 159:2428 160:3232 161:1734 162:3558 163:1762 164:1936 165:2137 166:1325 167:1855 168:4087 169:779 170:4975 171:1004 172:3894 173:3118 174:907 175:1266 176:3476 177:4902 178:3605 179:2245 180:2495 181:3927 182:3315 183:2056 184:2270 185:21110 186:5015 187:4258 188:4243 189:4145 190:9562 191:1511 192:11203 193:9251 194:7595 195:5385 196:3220 197:3088 198:5929 199:8173 200:8033 201:6308 202:10247 203:10390 204:4620 205:3639 206:4568 207:3567 208:4213 209:5106 210:4508 211:2570 212:4511 213:3624 214:1067 215:48 216:6629 217:3041 218:1321 219:395 220:2070 221:1048 222:707 223:2290 End of report