IPv4 R&E Routing Table Report 23:05 GMT Thu 07 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: 958177 Prefixes after maximum aggregation (per Origin AS): 367069 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 469506 Number of IPv4 prefixes with a valid ROA: 507470 Number of IPv4 prefixes with an invalid ROA: 1189 Number of IPv4 prefixes with no ROA: 449518 Total ASes present in the Internet Routing Table: 76192 Prefixes per ASN: 12.58 Origin-only ASes present in the Internet Routing Table: 65458 Origin ASes announcing only one prefix: 26800 Transit ASes present in the Internet Routing Table: 10734 Transit-only ASes present in the Internet Routing Table: 501 Paths with bogon ASNs present in the IPv4 Routing Table: 17 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: 942 Number of instances of unregistered ASNs: 956 Number of 32-bit ASNs allocated by the RIRs: 45796 Number of 32-bit ASNs visible in the Routing Table: 37298 Prefixes from 32-bit ASNs in the Routing Table: 193667 Number of bogon 32-bit ASNs visible in the Routing Table: 36 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 120 Number of addresses announced to Internet: 3026869248 Equivalent to 180 /8s, 106 /16s and 92 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 63.6 Percentage of available address space allocated: 128.6 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 676179 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252273 Total APNIC prefixes after maximum aggregation: 74983 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 13611 Unique aggregates announced from the APNIC address blocks: 8911 APNIC Region origin ASes present in the Internet Routing Table: 14341 APNIC Prefixes per ASN: 0.95 APNIC Region origin ASes announcing only one prefix: 4383 APNIC Region transit ASes present in the Internet Routing Table: 1901 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: 9837 Number of APNIC addresses announced to Internet: 33111552 Equivalent to 1 /8s, 249 /16s and 62 /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: 281597 Total ARIN prefixes after maximum aggregation: 126112 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 93864 Unique aggregates announced from the ARIN address blocks: 55228 ARIN Region origin ASes present in the Internet Routing Table: 19150 ARIN Prefixes per ASN: 4.90 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1906 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: 208441088 Equivalent to 12 /8s, 108 /16s and 143 /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, 139/8, 144/8, 149/8, 162/8, 164/8, 192/8, 198/8, 199/8, 204/8, 205/8, 207/8, 208/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 267827 Total RIPE prefixes after maximum aggregation: 129823 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 18890 Unique aggregates announced from the RIPE address blocks: 15155 RIPE Region origin ASes present in the Internet Routing Table: 28764 RIPE Prefixes per ASN: 0.66 RIPE Region origin ASes announcing only one prefix: 12133 RIPE Region transit ASes present in the Internet Routing Table: 3922 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: 12081 Number of RIPE addresses announced to Internet: 34789120 Equivalent to 2 /8s, 18 /16s and 215 /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: 122612 Total LACNIC prefixes after maximum aggregation: 28963 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 14818 Unique aggregates announced from the LACNIC address blocks: 7253 LACNIC Region origin ASes present in the Internet Routing Table: 11158 LACNIC Prefixes per ASN: 1.33 LACNIC Region origin ASes announcing only one prefix: 2625 LACNIC Region transit ASes present in the Internet Routing Table: 2478 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: 9068 Number of LACNIC addresses announced to Internet: 9535232 Equivalent to 0 /8s, 145 /16s and 127 /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: 32926 Total AfriNIC prefixes after maximum aggregation: 6564 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 4232 Unique aggregates announced from the AfriNIC address blocks: 2229 AfriNIC Region origin ASes present in the Internet Routing Table: 1901 AfriNIC Prefixes per ASN: 2.23 AfriNIC Region origin ASes announcing only one prefix: 692 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: 1266 Number of AfriNIC addresses announced to Internet: 8150016 Equivalent to 0 /8s, 124 /16s and 92 /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 84 CHINAMOBILE-CN China Mobile Communication 7545 6063 842 660 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4267 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 3250 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2787 831 543 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 10991 12004 3860 AMAZON-02, US 11492 4661 310 548 CABLEONE, US 174 4512 8759 831 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3605 1320 79 SHAW, CA 22773 3419 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3263 54896 2510 DNIC-AS-00749, US 7018 3198 23667 2020 ATT-INTERNET4, US 396982 2865 3654 419 GOOGLE-CLOUD-PLATFORM, US 16625 2798 1222 2100 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 7633 1709 143 UNI2-AS, ES 39891 4720 289 58 ALJAWWALSTC-AS, SA 20940 3847 3395 126 AKAMAI-ASN1, NL 9009 3690 318 1878 M247, RO 12389 2941 2295 878 ROSTELECOM-AS, RU 34984 2341 359 578 TELLCOM-AS, TR 212238 1848 135 1365 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1595 1852 14 TE-AS TE-AS, EG 8551 1476 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 11449 3217 612 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2539 532 360 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad y 28573 1358 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 782 200 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 1063 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1031 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 1658 593 29 RAYA-AS, EG 24863 1644 389 16 LINKdotNET-AS, EG 36992 1422 1519 283 ETISALAT-MISR, EG 29571 1378 87 58 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 20011 545 138 319 INTERNET-SOLUTIONS, ZA 36914 511 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 11449 3217 612 UNINET, MX 16509 10991 12004 3860 AMAZON-02, US 9808 10079 8752 84 CHINAMOBILE-CN China Mobile Communication 12479 7633 1709 143 UNI2-AS, ES 7545 6063 842 660 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 289 58 ALJAWWALSTC-AS, SA 11492 4661 310 548 CABLEONE, US 174 4512 8759 831 COGENT-174, US 18403 4267 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 9995 CHINAMOBILE-CN China Mobile Communications Grou 12479 7633 7490 UNI2-AS, ES 16509 10991 7131 AMAZON-02, US 7545 6063 5403 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 4662 ALJAWWALSTC-AS, SA 18403 4267 4244 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 3847 3721 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 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 /14:1170 /15:2054 /16:13115 /17:8135 /18:13614 /19:24223 /20:43593 /21:51595 /22:111641 /23:99310 /24:588699 /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 10044 10991 AMAZON-02, US 8151 8820 11449 UNINET, MX 9808 8058 10079 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN 12479 7318 7633 UNI2-AS, ES 39891 4649 4720 ALJAWWALSTC-AS, SA 18403 4180 4267 FPT-AS-AP FPT Telecom Company, VN 7545 3913 6063 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 3847 4661 CABLEONE, US 7552 3807 3910 VIETEL-AS-AP Viettel Group, VN 20940 3792 3847 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 2:1529 3:513 4:8 5:4438 6:169 7:6 8:1492 9:1 11:172 12:1422 13:362 14:2460 15:332 16:267 17:358 18:904 20:442 21:4 22:188 23:6937 24:2655 25:2 27:2650 29:19 31:2980 32:44 34:73 35:143 36:2360 37:4416 38:8823 39:919 40:154 41:4081 42:2019 43:2440 44:337 45:17728 46:4712 47:299 49:2007 50:1846 51:582 52:1584 54:316 55:951 56:8 57:222 58:2170 59:1205 60:1149 61:2774 62:2816 63:1842 64:5400 65:2274 66:4607 67:3008 68:1317 69:4007 70:1128 71:572 72:2852 74:2784 75:1631 76:618 77:2574 78:1874 79:1664 80:2190 81:2027 82:1789 83:1376 84:1752 85:3114 86:966 87:2158 88:1251 89:4365 90:695 91:8236 92:2597 93:2805 94:3827 95:4256 96:1250 97:314 98:1071 99:740 100:72 101:1408 102:3396 103:32254 104:4419 105:711 106:985 107:2393 108:1169 109:4062 110:2225 111:3300 112:2041 113:1775 114:1933 115:2147 116:1965 117:2704 118:2835 119:1982 120:1869 121:1347 122:2701 123:2144 124:1616 125:2825 126:62 128:1362 129:925 130:1250 131:1881 132:815 133:446 134:1523 135:319 136:1257 137:1085 138:2857 139:1537 140:1483 141:1445 142:1813 143:1584 144:1013 145:401 146:2101 147:2047 148:2546 149:2820 150:1130 151:1457 152:2107 153:498 154:7114 155:1557 156:2779 157:1827 158:1218 159:2422 160:3275 161:1726 162:3561 163:1755 164:1938 165:2128 166:1331 167:1839 168:4087 169:785 170:5017 171:987 172:3901 173:3129 174:915 175:1267 176:3483 177:4876 178:3688 179:2240 180:2520 181:3904 182:3336 183:2025 184:2275 185:21158 186:4994 187:4213 188:4211 189:4100 190:9572 191:1497 192:11179 193:9246 194:7602 195:5375 196:3222 197:3055 198:5902 199:8195 200:8058 201:6298 202:10232 203:10417 204:4635 205:3658 206:4564 207:3516 208:4211 209:5106 210:4512 211:2569 212:4521 213:3632 214:1057 215:48 216:6604 217:3037 218:1321 219:395 220:2079 221:1051 222:710 223:2304 End of report