IPv4 R&E Routing Table Report 23:05 GMT Mon 09 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: 950303 Prefixes after maximum aggregation (per Origin AS): 364269 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464053 Number of IPv4 prefixes with a valid ROA: 495691 Number of IPv4 prefixes with an invalid ROA: 1238 Number of IPv4 prefixes with no ROA: 453374 Total ASes present in the Internet Routing Table: 75971 Prefixes per ASN: 12.51 Origin-only ASes present in the Internet Routing Table: 65245 Origin ASes announcing only one prefix: 26824 Transit ASes present in the Internet Routing Table: 10726 Transit-only ASes present in the Internet Routing Table: 505 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 205 Max AS path prepend of ASN (214727) 200 Prefixes from unregistered ASNs in the Routing Table: 972 Number of instances of unregistered ASNs: 979 Number of 32-bit ASNs allocated by the RIRs: 45346 Number of 32-bit ASNs visible in the Routing Table: 36981 Prefixes from 32-bit ASNs in the Routing Table: 191223 Number of bogon 32-bit ASNs visible in the Routing Table: 21 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 583 Number of addresses announced to Internet: 3034568192 Equivalent to 180 /8s, 223 /16s and 214 /24s Percentage of available address space announced: 82.0 Percentage of allocated address space announced: 82.0 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: 312510 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251017 Total APNIC prefixes after maximum aggregation: 74790 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 242831 Unique aggregates announced from the APNIC address blocks: 100549 APNIC Region origin ASes present in the Internet Routing Table: 14253 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4342 APNIC Region transit ASes present in the Internet Routing Table: 1899 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: 9730 Number of APNIC addresses announced to Internet: 761287936 Equivalent to 45 /8s, 96 /16s and 85 /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: 278132 Total ARIN prefixes after maximum aggregation: 125692 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 282065 Unique aggregates announced from the ARIN address blocks: 134859 ARIN Region origin ASes present in the Internet Routing Table: 19105 ARIN Prefixes per ASN: 14.76 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1907 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4980 Number of ARIN addresses announced to Internet: 1266619392 Equivalent to 75 /8s, 127 /16s and 20 /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: 266049 Total RIPE prefixes after maximum aggregation: 128426 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 262280 Unique aggregates announced from the RIPE address blocks: 166567 RIPE Region origin ASes present in the Internet Routing Table: 28699 RIPE Prefixes per ASN: 9.14 RIPE Region origin ASes announcing only one prefix: 12118 RIPE Region transit ASes present in the Internet Routing Table: 3926 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 205 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11971 Number of RIPE addresses announced to Internet: 723814656 Equivalent to 43 /8s, 36 /16s and 137 /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: 121628 Total LACNIC prefixes after maximum aggregation: 28317 LACNIC Deaggregation factor: 4.30 Prefixes being announced from the LACNIC address blocks: 119472 Unique aggregates announced from the LACNIC address blocks: 47344 LACNIC Region origin ASes present in the Internet Routing Table: 11157 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2707 LACNIC Region transit ASes present in the Internet Routing Table: 2467 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: 9058 Number of LACNIC addresses announced to Internet: 178237184 Equivalent to 10 /8s, 159 /16s and 175 /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: 32505 Total AfriNIC prefixes after maximum aggregation: 6420 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 43072 Unique aggregates announced from the AfriNIC address blocks: 14242 AfriNIC Region origin ASes present in the Internet Routing Table: 1880 AfriNIC Prefixes per ASN: 22.91 AfriNIC Region origin ASes announcing only one prefix: 688 AfriNIC Region transit ASes present in the Internet Routing Table: 361 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: 1242 Number of AfriNIC addresses announced to Internet: 104293120 Equivalent to 6 /8s, 55 /16s and 99 /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 9895 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5702 836 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4249 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3915 1330 20 VIETEL-AS-AP Viettel Group, VN 9498 3788 507 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3641 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1841 104 VNPT-AS-VN VNPT Corp, VN 24560 2805 836 469 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2207 434 195 TATACOMM-AS TATA Communications formerly 45090 2188 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 10623 11794 3774 AMAZON-02, US 11492 4639 308 547 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3995 8782 913 COGENT-174, US 6327 3602 1320 79 SHAW, CA 22773 3421 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3250 54907 2502 DNIC-AS-00749, US 7018 3022 23680 1898 ATT-INTERNET4, US 16625 2819 1250 2113 AKAMAI-AS, US 396982 2809 3570 431 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 7656 1708 145 UNI2-AS, ES 39891 4466 269 55 ALJAWWALSTC-AS, SA 20940 3805 3395 126 AKAMAI-ASN1, NL 9009 3664 312 1861 M247, RO 12389 2855 2287 857 ROSTELECOM-AS, RU 34984 2332 359 583 TELLCOM-AS, TR 212238 1799 128 1325 CDNEXT, GB 8551 1776 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 13188 1607 100 26 TRIOLAN, UA 8452 1537 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 11737 3271 511 UNINET, MX 10620 3541 494 934 Telmex Colombia S.A., CO 13999 2547 629 22 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad y 28573 1337 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1316 774 204 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1146 374 163 Axtel, S.A.B. de C.V., MX 6147 1103 369 22 Telefonica del Peru S.A.A., PE 22884 1069 98 372 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 1621 593 29 RAYA-AS, EG 24863 1608 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1336 85 65 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 954 523 48 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 548 82 3 KENET-AS, KE 37342 515 32 1 MOVITEL, MZ 15399 513 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 11737 3271 511 UNINET, MX 16509 10623 11794 3774 AMAZON-02, US 9808 9895 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7656 1708 145 UNI2-AS, ES 7545 5702 836 658 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4639 308 547 CABLEONE, US 39891 4466 269 55 ALJAWWALSTC-AS, SA 18403 4249 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3995 8782 913 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 9895 9820 CHINAMOBILE-CN China Mobile Communications Grou 12479 7656 7511 UNI2-AS, ES 16509 10623 6849 AMAZON-02, US 7545 5702 5044 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4466 4411 ALJAWWALSTC-AS, SA 18403 4249 4226 FPT-AS-AP FPT Telecom Company, VN 11492 4639 4092 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3915 3895 VIETEL-AS-AP Viettel Group, VN 20940 3805 3679 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 /13:577 /14:1167 /15:2063 /16:13170 /17:8137 /18:13620 /19:24333 /20:43331 /21:51236 /22:110951 /23:99335 /24:581918 /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 6709 7656 UNI2-AS, ES 8151 5869 11737 UNINET, MX 11492 3550 4639 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3356 4466 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2556 3421 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2170 3541 Telmex Colombia S.A., CO 30036 2163 2501 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2147 10623 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2267 2:1515 3:448 4:2 5:4464 6:161 7:6 8:1509 9:1 11:172 12:1428 13:364 14:2371 15:324 16:259 17:360 18:878 20:408 21:4 22:188 23:6806 24:2675 25:2 27:2615 29:19 31:2695 32:44 34:68 35:138 36:2354 37:4518 38:8472 39:920 40:152 41:4115 42:1973 43:2409 44:332 45:17411 46:4617 47:299 49:1979 50:1871 51:574 52:1579 54:316 55:960 56:8 57:213 58:2166 59:1201 60:1063 61:2760 62:2772 63:1846 64:5459 65:2281 66:4636 67:3019 68:1338 69:4000 70:1144 71:563 72:2855 74:2660 75:1567 76:621 77:2529 78:1854 79:1811 80:2198 81:2011 82:1684 83:1364 84:1738 85:3175 86:982 87:2055 88:1249 89:4294 90:683 91:8203 92:2452 93:2750 94:3756 95:4274 96:1273 97:316 98:1064 99:736 100:73 101:1161 102:3375 103:32211 104:4377 105:708 106:983 107:2377 108:1151 109:4080 110:2135 111:3237 112:2047 113:1802 114:1879 115:2042 116:1955 117:2671 118:2863 119:1986 120:1799 121:1351 122:2691 123:2124 124:1618 125:2824 126:64 128:1362 129:930 130:1204 131:1839 132:811 133:428 134:1506 135:309 136:1201 137:1066 138:2830 139:1532 140:1452 141:1444 142:1728 143:1610 144:1026 145:364 146:2072 147:2028 148:2539 149:2806 150:1069 151:1360 152:2091 153:500 154:6434 155:1435 156:2446 157:1801 158:1185 159:2428 160:3050 161:1709 162:3551 163:1743 164:1686 165:2140 166:1300 167:1846 168:4018 169:801 170:4952 171:1032 172:3886 173:3078 174:901 175:1248 176:3451 177:4700 178:3596 179:2194 180:2447 181:3896 182:3317 183:2012 184:2260 185:21009 186:4956 187:4303 188:4096 189:4143 190:9577 191:1490 192:11027 193:9217 194:7512 195:5354 196:3225 197:3099 198:5906 199:8096 200:8038 201:6320 202:10206 203:10340 204:4576 205:3640 206:4488 207:3530 208:4170 209:5057 210:4495 211:2557 212:4418 213:3664 214:1063 215:49 216:6727 217:2938 218:1329 219:388 220:2032 221:1046 222:706 223:2232 End of report