IPv4 R&E Routing Table Report 23:05 GMT Sun 06 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: 954309 Prefixes after maximum aggregation (per Origin AS): 365440 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 467435 Number of IPv4 prefixes with a valid ROA: 502051 Number of IPv4 prefixes with an invalid ROA: 1145 Number of IPv4 prefixes with no ROA: 451113 Total ASes present in the Internet Routing Table: 76085 Prefixes per ASN: 12.54 Origin-only ASes present in the Internet Routing Table: 65345 Origin ASes announcing only one prefix: 26820 Transit ASes present in the Internet Routing Table: 10740 Transit-only ASes present in the Internet Routing Table: 509 Paths with bogon ASNs present in the IPv4 Routing Table: 22 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 38 Max AS path prepend of ASN ( 39927) 30 Prefixes from unregistered ASNs in the Routing Table: 953 Number of instances of unregistered ASNs: 972 Number of 32-bit ASNs allocated by the RIRs: 45515 Number of 32-bit ASNs visible in the Routing Table: 37111 Prefixes from 32-bit ASNs in the Routing Table: 192265 Number of bogon 32-bit ASNs visible in the Routing Table: 46 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 520 Number of addresses announced to Internet: 3031380736 Equivalent to 180 /8s, 175 /16s and 51 /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: 313005 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251904 Total APNIC prefixes after maximum aggregation: 74805 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 244015 Unique aggregates announced from the APNIC address blocks: 100902 APNIC Region origin ASes present in the Internet Routing Table: 14293 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4356 APNIC Region transit ASes present in the Internet Routing Table: 1890 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: 9778 Number of APNIC addresses announced to Internet: 758803968 Equivalent to 45 /8s, 58 /16s and 110 /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: 279976 Total ARIN prefixes after maximum aggregation: 125902 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 283149 Unique aggregates announced from the ARIN address blocks: 135358 ARIN Region origin ASes present in the Internet Routing Table: 19145 ARIN Prefixes per ASN: 14.79 ARIN Region origin ASes announcing only one prefix: 6986 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: 5011 Number of ARIN addresses announced to Internet: 1267333888 Equivalent to 75 /8s, 137 /16s and 251 /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: 266903 Total RIPE prefixes after maximum aggregation: 129101 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 263498 Unique aggregates announced from the RIPE address blocks: 167828 RIPE Region origin ASes present in the Internet Routing Table: 28734 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: 3933 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: 12017 Number of RIPE addresses announced to Internet: 723123200 Equivalent to 43 /8s, 25 /16s and 252 /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: 122084 Total LACNIC prefixes after maximum aggregation: 28764 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 119869 Unique aggregates announced from the LACNIC address blocks: 48611 LACNIC Region origin ASes present in the Internet Routing Table: 11152 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2475 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: 9055 Number of LACNIC addresses announced to Internet: 177639168 Equivalent to 10 /8s, 150 /16s and 143 /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: 32489 Total AfriNIC prefixes after maximum aggregation: 6254 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 43258 Unique aggregates announced from the AfriNIC address blocks: 14300 AfriNIC Region origin ASes present in the Internet Routing Table: 1882 AfriNIC Prefixes per ASN: 22.99 AfriNIC Region origin ASes announcing only one prefix: 682 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: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1250 Number of AfriNIC addresses announced to Internet: 104198656 Equivalent to 6 /8s, 53 /16s and 242 /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 5922 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4449 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3985 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3827 510 268 BBIL-AP BHARTI Airtel Ltd., IN 7713 3638 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2793 841 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2208 434 196 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 10825 11850 3793 AMAZON-02, US 11492 4632 308 557 CABLEONE, US 174 4476 8767 874 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3602 1320 79 SHAW, CA 749 3484 55081 2707 DNIC-AS-00749, US 22773 3412 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 7018 3197 23677 1976 ATT-INTERNET4, US 396982 2836 3603 418 GOOGLE-CLOUD-PLATFORM, US 16625 2803 1237 2108 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 7630 1708 141 UNI2-AS, ES 39891 4466 269 62 ALJAWWALSTC-AS, SA 20940 3800 3395 125 AKAMAI-ASN1, NL 9009 3662 313 1868 M247, RO 12389 2928 2295 882 ROSTELECOM-AS, RU 34984 2331 357 580 TELLCOM-AS, TR 212238 1762 128 1304 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1573 1852 14 TE-AS TE-AS, EG 8551 1474 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 11574 3247 503 UNINET, MX 10620 3546 494 937 Telmex Colombia S.A., CO 13999 2546 534 363 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 1318 778 199 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1147 374 163 Axtel, S.A.B. de C.V., MX 6147 1106 369 22 Telefonica del Peru S.A.A., PE 22884 1070 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1045 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 1636 593 29 RAYA-AS, EG 24863 1616 389 16 LINKdotNET-AS, EG 36992 1414 1519 283 ETISALAT-MISR, EG 29571 1341 85 61 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 974 523 47 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 37069 555 1100 11 MOBINIL, EG 36914 524 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 11574 3247 503 UNINET, MX 16509 10825 11850 3793 AMAZON-02, US 9808 10049 8750 69 CHINAMOBILE-CN China Mobile Communication 12479 7630 1708 141 UNI2-AS, ES 7545 5922 840 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4632 308 557 CABLEONE, US 174 4476 8767 874 COGENT-174, US 39891 4466 269 62 ALJAWWALSTC-AS, SA 18403 4449 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 10049 9980 CHINAMOBILE-CN China Mobile Communications Grou 12479 7630 7489 UNI2-AS, ES 16509 10825 7032 AMAZON-02, US 7545 5922 5263 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4449 4426 FPT-AS-AP FPT Telecom Company, VN 39891 4466 4404 ALJAWWALSTC-AS, SA 7155 4163 4078 VIASAT-SP-BACKBONE, US 11492 4632 4075 CABLEONE, US 7552 3985 3960 VIETEL-AS-AP Viettel Group, VN 20940 3800 3675 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 /10:36 /11:92 /12:296 /13:576 /14:1170 /15:2057 /16:13176 /17:8151 /18:13602 /19:24246 /20:43550 /21:51584 /22:111368 /23:99247 /24:585118 /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 6685 7630 UNI2-AS, ES 8151 5743 11574 UNINET, MX 11492 3544 4632 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3292 4466 ALJAWWALSTC-AS, SA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2545 3412 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2210 10825 AMAZON-02, US 10620 2175 3546 Telmex Colombia S.A., CO 30036 2163 2502 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 3:486 4:8 5:4402 6:163 7:6 8:1509 9:1 11:172 12:1424 13:370 14:2418 15:328 16:264 17:356 18:892 20:410 21:4 22:188 23:6850 24:2642 25:2 27:2647 29:19 31:2804 32:43 34:68 35:139 36:2355 37:4540 38:8633 39:919 40:154 41:4112 42:2114 43:2409 44:336 45:17511 46:4648 47:300 49:2002 50:1876 51:517 52:1577 54:317 55:954 56:8 57:218 58:2169 59:1199 60:1121 61:2765 62:2786 63:1855 64:5404 65:2264 66:4657 67:2990 68:1334 69:4004 70:1132 71:566 72:2848 74:2781 75:1624 76:628 77:2566 78:1861 79:1644 80:2192 81:2021 82:1733 83:1374 84:1743 85:3097 86:1018 87:2150 88:1256 89:4322 90:666 91:8234 92:2596 93:2811 94:3787 95:4280 96:1269 97:316 98:1072 99:737 100:74 101:1163 102:3404 103:32249 104:4456 105:709 106:985 107:2389 108:1159 109:3992 110:2160 111:3317 112:2043 113:1777 114:1913 115:2103 116:1961 117:2714 118:2869 119:1987 120:1867 121:1350 122:2687 123:2135 124:1620 125:2831 126:64 128:1393 129:930 130:1221 131:1828 132:810 133:444 134:1517 135:311 136:1207 137:1067 138:2861 139:1522 140:1449 141:1431 142:1763 143:1603 144:1018 145:384 146:2082 147:2040 148:2553 149:2799 150:1068 151:1371 152:2104 153:500 154:6992 155:1482 156:2567 157:1827 158:1196 159:2440 160:3149 161:1729 162:3557 163:1753 164:1934 165:2139 166:1288 167:1846 168:4020 169:782 170:4923 171:1028 172:3878 173:3100 174:903 175:1260 176:3456 177:4792 178:3582 179:2202 180:2441 181:3880 182:3320 183:2053 184:2263 185:21100 186:5025 187:4274 188:4171 189:4072 190:9609 191:1514 192:11041 193:9245 194:7578 195:5402 196:3236 197:2729 198:5910 199:8134 200:8051 201:6331 202:10218 203:10352 204:4538 205:3647 206:4577 207:3560 208:4188 209:5114 210:4498 211:2564 212:4467 213:3680 214:1063 215:62 216:6634 217:2935 218:1324 219:393 220:2064 221:1047 222:716 223:2237 End of report