IPv4 R&E Routing Table Report 23:05 GMT Thu 29 Aug, 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: 949976 Prefixes after maximum aggregation (per Origin AS): 364404 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466374 Number of IPv4 prefixes with a valid ROA: 494648 Number of IPv4 prefixes with an invalid ROA: 1381 Number of IPv4 prefixes with no ROA: 453947 Total ASes present in the Internet Routing Table: 75879 Prefixes per ASN: 12.52 Origin-only ASes present in the Internet Routing Table: 65200 Origin ASes announcing only one prefix: 26725 Transit ASes present in the Internet Routing Table: 10679 Transit-only ASes present in the Internet Routing Table: 509 Paths with bogon ASNs present in the IPv4 Routing Table: 18 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 54 Max AS path prepend of ASN ( 37447) 47 Prefixes from unregistered ASNs in the Routing Table: 967 Number of instances of unregistered ASNs: 983 Number of 32-bit ASNs allocated by the RIRs: 45266 Number of 32-bit ASNs visible in the Routing Table: 36893 Prefixes from 32-bit ASNs in the Routing Table: 191066 Number of bogon 32-bit ASNs visible in the Routing Table: 59 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 603 Number of addresses announced to Internet: 3033429760 Equivalent to 180 /8s, 206 /16s and 119 /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: 312439 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250706 Total APNIC prefixes after maximum aggregation: 74730 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 242627 Unique aggregates announced from the APNIC address blocks: 100904 APNIC Region origin ASes present in the Internet Routing Table: 14226 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4327 APNIC Region transit ASes present in the Internet Routing Table: 1887 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: 9701 Number of APNIC addresses announced to Internet: 761241600 Equivalent to 45 /8s, 95 /16s and 160 /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: 277872 Total ARIN prefixes after maximum aggregation: 125445 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 281862 Unique aggregates announced from the ARIN address blocks: 134772 ARIN Region origin ASes present in the Internet Routing Table: 19096 ARIN Prefixes per ASN: 14.76 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1885 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4966 Number of ARIN addresses announced to Internet: 1266603776 Equivalent to 75 /8s, 126 /16s and 215 /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: 266011 Total RIPE prefixes after maximum aggregation: 128282 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261872 Unique aggregates announced from the RIPE address blocks: 166230 RIPE Region origin ASes present in the Internet Routing Table: 28656 RIPE Prefixes per ASN: 9.14 RIPE Region origin ASes announcing only one prefix: 12089 RIPE Region transit ASes present in the Internet Routing Table: 3919 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11939 Number of RIPE addresses announced to Internet: 723633664 Equivalent to 43 /8s, 33 /16s and 198 /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: 122126 Total LACNIC prefixes after maximum aggregation: 28928 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119985 Unique aggregates announced from the LACNIC address blocks: 49754 LACNIC Region origin ASes present in the Internet Routing Table: 11145 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2460 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9054 Number of LACNIC addresses announced to Internet: 177241600 Equivalent to 10 /8s, 144 /16s and 126 /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: 32294 Total AfriNIC prefixes after maximum aggregation: 6384 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 43027 Unique aggregates announced from the AfriNIC address blocks: 14195 AfriNIC Region origin ASes present in the Internet Routing Table: 1869 AfriNIC Prefixes per ASN: 23.02 AfriNIC Region origin ASes announcing only one prefix: 678 AfriNIC Region transit ASes present in the Internet Routing Table: 354 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1233 Number of AfriNIC addresses announced to Internet: 104385280 Equivalent to 6 /8s, 56 /16s and 203 /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 9898 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5699 837 660 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4296 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3938 1330 20 VIETEL-AS-AP Viettel Group, VN 9498 3789 508 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1841 104 VNPT-AS-VN VNPT Corp, VN 24560 2790 826 482 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2206 434 195 TATACOMM-AS TATA Communications formerly 45090 2189 1438 79 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 10607 11794 3754 AMAZON-02, US 11492 4628 308 547 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3956 8782 911 COGENT-174, US 6327 3601 1320 79 SHAW, CA 22773 3425 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3236 54890 2488 DNIC-AS-00749, US 7018 2940 23674 1849 ATT-INTERNET4, US 16625 2921 1244 2105 AKAMAI-AS, US 396982 2793 3568 422 GOOGLE-CLOUD-PLATFORM, 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 7693 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3762 3395 126 AKAMAI-ASN1, NL 9009 3668 313 1860 M247, RO 12389 2853 2287 856 ROSTELECOM-AS, RU 34984 2332 359 583 TELLCOM-AS, TR 212238 1791 128 1320 CDNEXT, GB 8551 1785 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 13188 1607 100 26 TRIOLAN, UA 8452 1580 1852 14 TE-AS TE-AS, EG 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 11842 3291 515 UNINET, MX 10620 3540 494 933 Telmex Colombia S.A., CO 13999 2514 353 674 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1317 774 207 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 6147 1074 369 22 Telefonica del Peru S.A.A., PE 22884 1066 98 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1044 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 1622 593 29 RAYA-AS, EG 24863 1610 389 16 LINKdotNET-AS, EG 36992 1412 1519 283 ETISALAT-MISR, EG 29571 1334 84 68 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 955 523 48 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 542 82 3 KENET-AS, KE 15399 511 57 58 WANANCHI-, KE 37342 508 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 11842 3291 515 UNINET, MX 16509 10607 11794 3754 AMAZON-02, US 9808 9898 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7693 1708 145 UNI2-AS, ES 7545 5699 837 660 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4628 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4296 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3956 8782 911 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 9808 9898 9823 CHINAMOBILE-CN China Mobile Communications Grou 12479 7693 7548 UNI2-AS, ES 16509 10607 6853 AMAZON-02, US 7545 5699 5039 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4296 4273 FPT-AS-AP FPT Telecom Company, VN 11492 4628 4081 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3938 3918 VIETEL-AS-AP Viettel Group, VN 20940 3762 3636 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 23.137.192.0/24 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 /10:37 /11:93 /12:295 /13:573 /14:1165 /15:2056 /16:13173 /17:8136 /18:13598 /19:24351 /20:43174 /21:51288 /22:110864 /23:99277 /24:581856 /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 6752 7693 UNI2-AS, ES 8151 5962 11842 UNINET, MX 11492 3539 4628 CABLEONE, US 6327 3397 3601 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2558 3425 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2169 3540 Telmex Colombia S.A., CO 30036 2159 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2134 10607 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2290 2:1527 3:448 4:6 5:4446 6:161 7:6 8:1514 9:1 11:172 12:1429 13:355 14:2365 15:327 16:259 17:362 18:876 20:408 21:4 22:188 23:6801 24:2681 25:2 27:2607 29:19 31:2667 32:44 34:68 35:138 36:2352 37:4502 38:8404 39:918 40:150 41:4105 42:1986 43:2401 44:331 45:17461 46:4647 47:298 49:1992 50:1855 51:574 52:1577 54:317 55:959 56:8 57:213 58:2155 59:1202 60:1063 61:2749 62:2779 63:1853 64:5457 65:2287 66:4638 67:3015 68:1343 69:4029 70:1146 71:561 72:2854 74:2630 75:1562 76:621 77:2510 78:1852 79:1777 80:2189 81:2015 82:1665 83:1368 84:1715 85:3171 86:960 87:2035 88:1237 89:4239 90:692 91:8199 92:2436 93:2732 94:3744 95:4256 96:1270 97:317 98:1064 99:735 100:73 101:1152 102:3555 103:32250 104:4492 105:703 106:982 107:2368 108:1162 109:4064 110:2136 111:3240 112:2050 113:1802 114:1846 115:2089 116:1954 117:2674 118:2870 119:1987 120:1799 121:1351 122:2691 123:2207 124:1604 125:2827 126:64 128:1348 129:933 130:1202 131:1861 132:816 133:428 134:1507 135:311 136:1189 137:1058 138:2858 139:1526 140:1450 141:1453 142:1696 143:1626 144:1027 145:364 146:2097 147:2018 148:2520 149:2801 150:1068 151:1359 152:2089 153:501 154:6533 155:1435 156:2436 157:1792 158:1184 159:2427 160:3034 161:1709 162:3555 163:1739 164:1682 165:2140 166:1295 167:1848 168:4036 169:803 170:4984 171:1033 172:3899 173:3079 174:902 175:1251 176:3433 177:4776 178:3583 179:2230 180:2457 181:3888 182:3333 183:2018 184:2258 185:20984 186:4994 187:4350 188:4085 189:4191 190:9529 191:1509 192:11031 193:9200 194:7496 195:5335 196:3208 197:2980 198:5915 199:8033 200:8039 201:6370 202:10175 203:10355 204:4559 205:3652 206:4481 207:3529 208:4171 209:5050 210:4494 211:2552 212:4388 213:3674 214:1063 215:49 216:6724 217:2949 218:1330 219:405 220:1814 221:1046 222:703 223:2231 End of report