IPv4 R&E Routing Table Report 23:05 GMT Sun 28 Jul, 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: 945941 Prefixes after maximum aggregation (per Origin AS): 363152 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 466569 Number of IPv4 prefixes with a valid ROA: 487639 Number of IPv4 prefixes with an invalid ROA: 1116 Number of IPv4 prefixes with no ROA: 457186 Total ASes present in the Internet Routing Table: 75804 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65184 Origin ASes announcing only one prefix: 26690 Transit ASes present in the Internet Routing Table: 10620 Transit-only ASes present in the Internet Routing Table: 506 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 985 Number of instances of unregistered ASNs: 1000 Number of 32-bit ASNs allocated by the RIRs: 45047 Number of 32-bit ASNs visible in the Routing Table: 36741 Prefixes from 32-bit ASNs in the Routing Table: 188898 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 543 Number of addresses announced to Internet: 3025224704 Equivalent to 180 /8s, 81 /16s and 68 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 310570 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249750 Total APNIC prefixes after maximum aggregation: 74110 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 241653 Unique aggregates announced from the APNIC address blocks: 101850 APNIC Region origin ASes present in the Internet Routing Table: 14189 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4322 APNIC Region transit ASes present in the Internet Routing Table: 1884 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9659 Number of APNIC addresses announced to Internet: 761459200 Equivalent to 45 /8s, 98 /16s and 242 /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: 276831 Total ARIN prefixes after maximum aggregation: 125247 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281342 Unique aggregates announced from the ARIN address blocks: 135007 ARIN Region origin ASes present in the Internet Routing Table: 19087 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6950 ARIN Region transit ASes present in the Internet Routing Table: 1895 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: 4945 Number of ARIN addresses announced to Internet: 1266888192 Equivalent to 75 /8s, 131 /16s and 46 /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: 265182 Total RIPE prefixes after maximum aggregation: 127715 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260692 Unique aggregates announced from the RIPE address blocks: 165385 RIPE Region origin ASes present in the Internet Routing Table: 28643 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12110 RIPE Region transit ASes present in the Internet Routing Table: 3905 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11890 Number of RIPE addresses announced to Internet: 714544128 Equivalent to 42 /8s, 151 /16s and 20 /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: 121720 Total LACNIC prefixes after maximum aggregation: 29163 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 119692 Unique aggregates announced from the LACNIC address blocks: 50142 LACNIC Region origin ASes present in the Internet Routing Table: 11134 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2424 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9025 Number of LACNIC addresses announced to Internet: 177162752 Equivalent to 10 /8s, 143 /16s and 74 /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: 31473 Total AfriNIC prefixes after maximum aggregation: 6266 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 42019 Unique aggregates announced from the AfriNIC address blocks: 13732 AfriNIC Region origin ASes present in the Internet Routing Table: 1857 AfriNIC Prefixes per ASN: 22.63 AfriNIC Region origin ASes announcing only one prefix: 668 AfriNIC Region transit ASes present in the Internet Routing Table: 358 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1222 Number of AfriNIC addresses announced to Internet: 104869376 Equivalent to 6 /8s, 64 /16s and 46 /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 9853 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5660 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4194 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3943 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3790 511 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3646 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3241 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2810 855 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2196 434 200 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 10240 11527 3652 AMAZON-02, US 11492 4621 307 549 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3853 8790 888 COGENT-174, US 6327 3595 1320 79 SHAW, CA 22773 3421 3035 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3253 54899 2505 DNIC-AS-00749, US 16625 3012 1302 2171 AKAMAI-AS, US 7018 2921 23688 1832 ATT-INTERNET4, US 396982 2758 3594 409 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 7714 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3811 3396 129 AKAMAI-ASN1, NL 9009 3563 304 1836 M247, RO 12389 2865 2291 859 ROSTELECOM-AS, RU 34984 2355 362 574 TELLCOM-AS, TR 8551 1782 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1725 124 1260 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1578 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 11880 3306 508 UNINET, MX 10620 3525 493 939 Telmex Colombia S.A., CO 13999 2541 355 674 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad y 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1314 768 202 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 6147 1098 369 22 Telefonica del Peru S.A.A., PE 26615 1084 2503 53 TIM SA, BR 22884 1064 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 24863 1613 389 16 LINKdotNET-AS, EG 24835 1559 593 29 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1293 82 76 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 938 521 43 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 525 82 3 KENET-AS, KE 37342 512 32 1 MOVITEL, MZ 24757 426 73 5 EthioNet-AS, ET 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 11880 3306 508 UNINET, MX 16509 10240 11527 3652 AMAZON-02, US 9808 9853 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7714 1708 145 UNI2-AS, ES 7545 5660 776 670 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4621 307 549 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4194 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3943 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9853 9779 CHINAMOBILE-CN China Mobile Communications Grou 12479 7714 7569 UNI2-AS, ES 16509 10240 6588 AMAZON-02, US 7545 5660 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4194 4171 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4621 4072 CABLEONE, US 7552 3943 3922 VIETEL-AS-AP Viettel Group, VN 20940 3811 3682 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: 6939 HURRICANE, US 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 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, 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 /11:92 /12:294 /13:569 /14:1161 /15:2049 /16:13137 /17:8143 /18:13583 /19:24338 /20:43115 /21:51217 /22:110660 /23:99295 /24:578211 /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 6805 7714 UNI2-AS, ES 8151 5938 11880 UNINET, MX 11492 3532 4621 CABLEONE, US 6327 3392 3595 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2560 3421 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2154 3525 Telmex Colombia S.A., CO 30036 2154 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2150 10240 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2280 2:1510 3:387 4:6 5:4364 6:149 7:6 8:1511 9:1 11:172 12:1438 13:366 14:2328 15:325 16:217 17:366 18:786 20:385 21:4 22:188 23:6893 24:2692 25:2 27:2620 29:19 31:2596 32:44 34:67 35:135 36:2345 37:4486 38:8117 39:912 40:150 41:4065 42:1986 43:2374 44:328 45:17385 46:4545 47:301 49:1963 50:1856 51:580 52:1576 54:318 55:929 56:8 57:213 58:2139 59:1199 60:1051 61:2689 62:2758 63:1863 64:5462 65:2277 66:4609 67:3009 68:1287 69:4022 70:1158 71:559 72:2859 74:2592 75:1555 76:614 77:2500 78:1862 79:1788 80:2175 81:2011 82:1657 83:1363 84:1699 85:3174 86:937 87:2022 88:1246 89:4198 90:700 91:8179 92:2347 93:2717 94:3730 95:4209 96:1278 97:317 98:1037 99:738 100:73 101:1166 102:3280 103:32242 104:4759 105:683 106:1000 107:2495 108:1156 109:4045 110:2122 111:3203 112:2053 113:1812 114:1807 115:2026 116:1946 117:2647 118:2796 119:1974 120:1796 121:1293 122:2698 123:2255 124:1610 125:2825 126:32 128:1359 129:928 130:1170 131:1857 132:812 133:418 134:1712 135:310 136:1124 137:1057 138:2857 139:1528 140:1417 141:1381 142:1672 143:1624 144:1020 145:358 146:2094 147:2002 148:2527 149:2776 150:1031 151:1345 152:2228 153:522 154:6453 155:1432 156:2327 157:1896 158:1111 159:2428 160:2852 161:1707 162:3519 163:1701 164:1679 165:2126 166:1253 167:1823 168:4037 169:802 170:4910 171:1024 172:3881 173:3064 174:896 175:1238 176:3442 177:4610 178:3629 179:2227 180:2417 181:3807 182:3322 183:1979 184:2254 185:20886 186:4956 187:4328 188:4079 189:4113 190:9478 191:1511 192:11024 193:9156 194:7477 195:5299 196:3212 197:2638 198:5906 199:7997 200:8101 201:6311 202:10256 203:10291 204:4539 205:3635 206:4435 207:3499 208:4152 209:4992 210:4475 211:2537 212:4367 213:3626 214:1064 215:49 216:6721 217:2933 218:1327 219:432 220:1807 221:1037 222:699 223:2217 End of report