IPv4 R&E Routing Table Report 23:05 GMT Wed 06 Nov, 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: 957966 Prefixes after maximum aggregation (per Origin AS): 367043 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 469353 Number of IPv4 prefixes with a valid ROA: 506719 Number of IPv4 prefixes with an invalid ROA: 1199 Number of IPv4 prefixes with no ROA: 450048 Total ASes present in the Internet Routing Table: 76182 Prefixes per ASN: 12.57 Origin-only ASes present in the Internet Routing Table: 65446 Origin ASes announcing only one prefix: 26800 Transit ASes present in the Internet Routing Table: 10736 Transit-only ASes present in the Internet Routing Table: 500 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: 77 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 946 Number of instances of unregistered ASNs: 959 Number of 32-bit ASNs allocated by the RIRs: 45777 Number of 32-bit ASNs visible in the Routing Table: 37285 Prefixes from 32-bit ASNs in the Routing Table: 193585 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: 126 Number of addresses announced to Internet: 3026633216 Equivalent to 180 /8s, 102 /16s and 194 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 63.5 Percentage of available address space allocated: 128.8 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 676597 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252193 Total APNIC prefixes after maximum aggregation: 74973 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 14033 Unique aggregates announced from the APNIC address blocks: 9089 APNIC Region origin ASes present in the Internet Routing Table: 14333 APNIC Prefixes per ASN: 0.98 APNIC Region origin ASes announcing only one prefix: 4377 APNIC Region transit ASes present in the Internet Routing Table: 1893 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: 9830 Number of APNIC addresses announced to Internet: 35224576 Equivalent to 2 /8s, 25 /16s and 124 /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 43/8, 45/8, 146/8, 150/8, 160/8, 163/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 281576 Total ARIN prefixes after maximum aggregation: 126164 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 103751 Unique aggregates announced from the ARIN address blocks: 59801 ARIN Region origin ASes present in the Internet Routing Table: 19151 ARIN Prefixes per ASN: 5.42 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1909 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5046 Number of ARIN addresses announced to Internet: 241605120 Equivalent to 14 /8s, 102 /16s and 154 /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 66/8, 131/8, 137/8, 139/8, 144/8, 149/8, 162/8, 164/8, 192/8, 198/8, 199/8, 204/8, 205/8, 207/8, 208/8, 209/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 267761 Total RIPE prefixes after maximum aggregation: 129784 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 19496 Unique aggregates announced from the RIPE address blocks: 15588 RIPE Region origin ASes present in the Internet Routing Table: 28763 RIPE Prefixes per ASN: 0.68 RIPE Region origin ASes announcing only one prefix: 12126 RIPE Region transit ASes present in the Internet Routing Table: 3917 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12078 Number of RIPE addresses announced to Internet: 39609344 Equivalent to 2 /8s, 92 /16s and 100 /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 152/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 122614 Total LACNIC prefixes after maximum aggregation: 28936 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 16528 Unique aggregates announced from the LACNIC address blocks: 7997 LACNIC Region origin ASes present in the Internet Routing Table: 11156 LACNIC Prefixes per ASN: 1.48 LACNIC Region origin ASes announcing only one prefix: 2634 LACNIC Region transit ASes present in the Internet Routing Table: 2487 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: 9069 Number of LACNIC addresses announced to Internet: 10194944 Equivalent to 0 /8s, 155 /16s and 144 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + ERX transfers LACNIC Address Blocks 72/8, 128/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 32876 Total AfriNIC prefixes after maximum aggregation: 6565 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 4373 Unique aggregates announced from the AfriNIC address blocks: 2245 AfriNIC Region origin ASes present in the Internet Routing Table: 1899 AfriNIC Prefixes per ASN: 2.30 AfriNIC Region origin ASes announcing only one prefix: 697 AfriNIC Region transit ASes present in the Internet Routing Table: 358 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: 1262 Number of AfriNIC addresses announced to Internet: 8472576 Equivalent to 0 /8s, 129 /16s and 72 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 161/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 10079 8752 83 CHINAMOBILE-CN China Mobile Communication 7545 6062 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4258 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3910 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3853 511 267 BBIL-AP BHARTI Airtel Ltd., IN 7713 3652 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1869 99 VNPT-AS-VN VNPT Corp, VN 24560 2785 830 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2213 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 10997 12005 3855 AMAZON-02, US 11492 4661 310 548 CABLEONE, US 174 4506 8757 830 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3605 1320 79 SHAW, CA 22773 3417 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54896 2509 DNIC-AS-00749, US 7018 3205 23668 2018 ATT-INTERNET4, US 396982 2865 3654 419 GOOGLE-CLOUD-PLATFORM, US 16625 2799 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 3848 3395 126 AKAMAI-ASN1, NL 9009 3693 318 1880 M247, RO 12389 2942 2295 878 ROSTELECOM-AS, RU 34984 2340 359 578 TELLCOM-AS, TR 212238 1851 136 1368 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1595 1852 14 TE-AS TE-AS, EG 8551 1475 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 11441 3217 598 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2532 532 359 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad y 28573 1338 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1324 780 199 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1155 374 163 Axtel, S.A.B. de C.V., MX 6147 1115 369 22 Telefonica del Peru S.A.A., PE 22884 1062 97 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1030 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 1659 593 29 RAYA-AS, EG 24863 1646 389 16 LINKdotNET-AS, EG 36992 1422 1519 283 ETISALAT-MISR, EG 29571 1376 87 61 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1014 523 45 Vodafone-, EG 37069 591 1099 13 MOBINIL, EG 6713 555 1861 35 IAM-AS, MA 37342 516 32 1 MOVITEL, MZ 36914 509 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 8151 11441 3217 598 UNINET, MX 16509 10997 12005 3855 AMAZON-02, US 9808 10079 8752 83 CHINAMOBILE-CN China Mobile Communication 12479 7646 1709 143 UNI2-AS, ES 7545 6062 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 289 58 ALJAWWALSTC-AS, SA 11492 4661 310 548 CABLEONE, US 174 4506 8757 830 COGENT-174, US 18403 4258 347 23 FPT-AS-AP FPT Telecom Company, VN 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 10079 9996 CHINAMOBILE-CN China Mobile Communications Grou 12479 7646 7503 UNI2-AS, ES 16509 10997 7142 AMAZON-02, US 7545 6062 5403 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 4662 ALJAWWALSTC-AS, SA 18403 4258 4235 FPT-AS-AP FPT Telecom Company, VN 11492 4661 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3910 3885 VIETEL-AS-AP Viettel Group, VN 20940 3848 3722 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 213915 UNALLOCATED 5.83.149.0/24 215828 TMW-GLOBAL-NETWORKS TMW 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 43.250.235.0/24 Origin: 133948 DIL-AS-AP DONGFONG INC LIMITED, HK 43.250.235.0/24 Transit: 4637 ASN-TELSTRA-GLOBAL Telstra Global, HK 45.42.0.0/22 Origin: 16929 RESERVED, ZZ 45.42.0.0/22 Transit: 393275 VINGN-VIRGIN-ISLANDS-NEXT-GENERATION-NET 45.42.180.0/24 Origin: 31898 ORACLE-BMC-31898, US 45.42.180.0/24 Transit: 6453 AS6453, US 45.250.172.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 45.250.172.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 66.111.56.0/23 Origin: 393476 RESERVED, ZZ 66.111.56.0/23 Transit: 53828 NITEL, 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 /14:1166 /15:2053 /16:13115 /17:8139 /18:13618 /19:24223 /20:43535 /21:51568 /22:111616 /23:99320 /24:588585 /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 16509 10048 10997 AMAZON-02, US 8151 8816 11441 UNINET, MX 9808 8058 10079 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN 12479 7331 7646 UNI2-AS, ES 39891 4649 4720 ALJAWWALSTC-AS, SA 18403 4171 4258 FPT-AS-AP FPT Telecom Company, VN 7545 3912 6062 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 3863 4661 CABLEONE, US 7552 3807 3910 VIETEL-AS-AP Viettel Group, VN 20940 3793 3848 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2277 2:1527 3:512 4:8 5:4433 6:169 7:6 8:1499 9:1 11:172 12:1419 13:365 14:2461 15:332 16:266 17:355 18:905 20:442 21:4 22:188 23:6941 24:2653 25:2 27:2648 29:19 31:2971 32:44 34:73 35:144 36:2359 37:4420 38:8814 39:918 40:153 41:4067 42:2019 43:2437 44:335 45:17684 46:4701 47:299 49:2004 50:1844 51:582 52:1583 54:316 55:948 56:8 57:223 58:2170 59:1205 60:1148 61:2768 62:2822 63:1839 64:5407 65:2273 66:4604 67:3011 68:1324 69:4007 70:1126 71:572 72:2856 74:2783 75:1630 76:635 77:2576 78:1873 79:1662 80:2191 81:2028 82:1790 83:1373 84:1755 85:3107 86:967 87:2159 88:1252 89:4365 90:698 91:8244 92:2604 93:2810 94:3826 95:4259 96:1250 97:314 98:1070 99:739 100:72 101:1406 102:3371 103:32244 104:4412 105:708 106:985 107:2397 108:1168 109:4050 110:2223 111:3308 112:2042 113:1762 114:1933 115:2151 116:1965 117:2704 118:2836 119:1982 120:1868 121:1347 122:2700 123:2145 124:1615 125:2825 126:64 128:1360 129:928 130:1253 131:1876 132:815 133:446 134:1527 135:319 136:1257 137:1088 138:2859 139:1544 140:1482 141:1445 142:1813 143:1586 144:1020 145:401 146:2101 147:2050 148:2544 149:2821 150:1128 151:1456 152:2104 153:498 154:7093 155:1553 156:2772 157:1831 158:1216 159:2423 160:3273 161:1737 162:3558 163:1755 164:1936 165:2129 166:1328 167:1840 168:4086 169:785 170:5006 171:983 172:3898 173:3117 174:915 175:1266 176:3481 177:4911 178:3702 179:2224 180:2524 181:3902 182:3336 183:2023 184:2274 185:21160 186:5004 187:4199 188:4212 189:4133 190:9565 191:1509 192:11171 193:9249 194:7607 195:5380 196:3212 197:3053 198:5904 199:8193 200:8042 201:6308 202:10227 203:10421 204:4639 205:3640 206:4569 207:3519 208:4219 209:5108 210:4510 211:2573 212:4522 213:3624 214:1048 215:48 216:6604 217:3038 218:1321 219:395 220:2079 221:1051 222:708 223:2298 End of report