IPv4 R&E Routing Table Report 23:05 GMT Mon 30 Sep, 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: 953512 Prefixes after maximum aggregation (per Origin AS): 365130 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466765 Number of IPv4 prefixes with a valid ROA: 500794 Number of IPv4 prefixes with an invalid ROA: 1236 Number of IPv4 prefixes with no ROA: 451482 Total ASes present in the Internet Routing Table: 76039 Prefixes per ASN: 12.54 Origin-only ASes present in the Internet Routing Table: 65303 Origin ASes announcing only one prefix: 26825 Transit ASes present in the Internet Routing Table: 10736 Transit-only ASes present in the Internet Routing Table: 513 Paths with bogon ASNs present in the IPv4 Routing Table: 16 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 54 Max AS path prepend of ASN ( 37447) 49 Prefixes from unregistered ASNs in the Routing Table: 949 Number of instances of unregistered ASNs: 962 Number of 32-bit ASNs allocated by the RIRs: 45458 Number of 32-bit ASNs visible in the Routing Table: 37070 Prefixes from 32-bit ASNs in the Routing Table: 191752 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 533 Number of addresses announced to Internet: 3031386624 Equivalent to 180 /8s, 175 /16s and 74 /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: 312906 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251671 Total APNIC prefixes after maximum aggregation: 74689 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 243769 Unique aggregates announced from the APNIC address blocks: 100745 APNIC Region origin ASes present in the Internet Routing Table: 14280 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4344 APNIC Region transit ASes present in the Internet Routing Table: 1895 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9766 Number of APNIC addresses announced to Internet: 758799104 Equivalent to 45 /8s, 58 /16s and 91 /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: 279834 Total ARIN prefixes after maximum aggregation: 125938 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 283014 Unique aggregates announced from the ARIN address blocks: 135256 ARIN Region origin ASes present in the Internet Routing Table: 19127 ARIN Prefixes per ASN: 14.80 ARIN Region origin ASes announcing only one prefix: 6986 ARIN Region transit ASes present in the Internet Routing Table: 1907 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: 5002 Number of ARIN addresses announced to Internet: 1267333632 Equivalent to 75 /8s, 137 /16s and 250 /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: 266753 Total RIPE prefixes after maximum aggregation: 128894 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263379 Unique aggregates announced from the RIPE address blocks: 167568 RIPE Region origin ASes present in the Internet Routing Table: 28711 RIPE Prefixes per ASN: 9.17 RIPE Region origin ASes announcing only one prefix: 12139 RIPE Region transit ASes present in the Internet Routing Table: 3925 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12003 Number of RIPE addresses announced to Internet: 723218944 Equivalent to 43 /8s, 27 /16s and 114 /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: 122093 Total LACNIC prefixes after maximum aggregation: 28744 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 119871 Unique aggregates announced from the LACNIC address blocks: 48506 LACNIC Region origin ASes present in the Internet Routing Table: 11153 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2481 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: 9052 Number of LACNIC addresses announced to Internet: 177534208 Equivalent to 10 /8s, 148 /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: 32212 Total AfriNIC prefixes after maximum aggregation: 6246 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 42946 Unique aggregates announced from the AfriNIC address blocks: 14242 AfriNIC Region origin ASes present in the Internet Routing Table: 1882 AfriNIC Prefixes per ASN: 22.82 AfriNIC Region origin ASes announcing only one prefix: 685 AfriNIC Region transit ASes present in the Internet Routing Table: 357 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1247 Number of AfriNIC addresses announced to Internet: 104215296 Equivalent to 6 /8s, 54 /16s and 51 /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 10049 8750 69 CHINAMOBILE-CN China Mobile Communication 7545 5862 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4412 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3990 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3810 508 263 BBIL-AP BHARTI Airtel Ltd., IN 7713 3649 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2831 851 465 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2211 434 197 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 10811 11831 3802 AMAZON-02, US 11492 4649 309 547 CABLEONE, US 174 4482 8768 878 COGENT-174, US 7155 4166 287 86 VIASAT-SP-BACKBONE, US 6327 3602 1320 79 SHAW, CA 749 3484 55081 2707 DNIC-AS-00749, US 22773 3407 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3174 23693 1968 ATT-INTERNET4, US 396982 2832 3603 417 GOOGLE-CLOUD-PLATFORM, US 16625 2791 1234 2103 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 7627 1708 146 UNI2-AS, ES 39891 4602 278 58 ALJAWWALSTC-AS, SA 20940 3798 3395 125 AKAMAI-ASN1, NL 9009 3682 315 1871 M247, RO 12389 2931 2295 882 ROSTELECOM-AS, RU 34984 2330 357 580 TELLCOM-AS, TR 212238 1806 131 1335 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1552 1852 14 TE-AS TE-AS, EG 8551 1473 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 11487 3221 509 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2551 534 364 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad y 28573 1337 2309 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1318 778 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 6147 1104 369 22 Telefonica del Peru S.A.A., PE 22884 1069 98 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1047 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 1617 593 29 RAYA-AS, EG 24863 1611 389 16 LINKdotNET-AS, EG 36992 1412 1519 283 ETISALAT-MISR, EG 29571 1341 85 63 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 971 523 47 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 36914 527 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ 15399 511 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 11487 3221 509 UNINET, MX 16509 10811 11831 3802 AMAZON-02, US 9808 10049 8750 69 CHINAMOBILE-CN China Mobile Communication 12479 7627 1708 146 UNI2-AS, ES 7545 5862 840 658 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4649 309 547 CABLEONE, US 39891 4602 278 58 ALJAWWALSTC-AS, SA 174 4482 8768 878 COGENT-174, US 18403 4412 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 86 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 10049 9980 CHINAMOBILE-CN China Mobile Communications Grou 12479 7627 7481 UNI2-AS, ES 16509 10811 7009 AMAZON-02, US 7545 5862 5204 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4602 4544 ALJAWWALSTC-AS, SA 18403 4412 4389 FPT-AS-AP FPT Telecom Company, VN 11492 4649 4102 CABLEONE, US 7155 4166 4080 VIASAT-SP-BACKBONE, US 7552 3990 3965 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 203727 UNALLOCATED 5.42.92.0/24 215826 PARTNER-HOSTING-LTD, GB 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 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 21949 BEANFIELD, CA 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 /11:92 /12:295 /13:576 /14:1170 /15:2058 /16:13181 /17:8142 /18:13604 /19:24241 /20:43388 /21:51528 /22:111095 /23:99271 /24:584795 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6675 7627 UNI2-AS, ES 8151 5669 11487 UNINET, MX 11492 3554 4649 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3364 4602 ALJAWWALSTC-AS, SA 7155 3110 4166 VIASAT-SP-BACKBONE, US 22773 2542 3407 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2213 10811 AMAZON-02, US 10620 2175 3546 Telmex Colombia S.A., CO 30036 2157 2494 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2274 2:1521 3:483 4:8 5:4505 6:163 7:6 8:1509 9:1 11:172 12:1426 13:368 14:2416 15:328 16:264 17:360 18:893 20:409 21:4 22:188 23:6852 24:2661 25:2 27:2633 29:19 31:2777 32:44 34:68 35:139 36:2354 37:4505 38:8629 39:919 40:154 41:4125 42:2080 43:2408 44:333 45:17487 46:4651 47:299 49:1996 50:1864 51:580 52:1576 54:317 55:949 56:8 57:219 58:2171 59:1199 60:1083 61:2767 62:2772 63:1855 64:5454 65:2265 66:4660 67:3011 68:1304 69:4005 70:1131 71:568 72:2839 74:2783 75:1625 76:613 77:2561 78:1864 79:1648 80:2192 81:2014 82:1699 83:1364 84:1745 85:3092 86:1010 87:2115 88:1255 89:4326 90:669 91:8244 92:2594 93:2800 94:3797 95:4280 96:1265 97:316 98:1070 99:737 100:74 101:1163 102:3390 103:32244 104:4461 105:707 106:986 107:2393 108:1155 109:3967 110:2169 111:3307 112:2051 113:1765 114:1894 115:2098 116:1896 117:2715 118:2865 119:1987 120:1875 121:1350 122:2690 123:2138 124:1621 125:2828 126:64 128:1380 129:930 130:1222 131:1834 132:812 133:444 134:1515 135:310 136:1202 137:1065 138:2839 139:1514 140:1455 141:1436 142:1754 143:1598 144:1026 145:372 146:2072 147:2041 148:2546 149:2799 150:1066 151:1368 152:2102 153:501 154:6994 155:1502 156:2546 157:1823 158:1196 159:2442 160:3132 161:1729 162:3563 163:1754 164:1942 165:2141 166:1290 167:1838 168:4009 169:781 170:4933 171:1035 172:3906 173:3100 174:903 175:1262 176:3457 177:4856 178:3588 179:2213 180:2435 181:3899 182:3319 183:2053 184:2257 185:21064 186:5014 187:4249 188:4175 189:4090 190:9637 191:1531 192:11054 193:9238 194:7564 195:5402 196:3220 197:2717 198:5901 199:8098 200:8042 201:6323 202:10226 203:10368 204:4566 205:3652 206:4570 207:3554 208:4150 209:5105 210:4493 211:2565 212:4463 213:3659 214:1071 215:61 216:6596 217:2938 218:1331 219:392 220:2052 221:1045 222:716 223:2241 End of report