IPv4 R&E Routing Table Report 23:05 GMT Wed 31 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: 945780 Prefixes after maximum aggregation (per Origin AS): 362992 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466699 Number of IPv4 prefixes with a valid ROA: 488689 Number of IPv4 prefixes with an invalid ROA: 1035 Number of IPv4 prefixes with no ROA: 456056 Total ASes present in the Internet Routing Table: 75772 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 65141 Origin ASes announcing only one prefix: 26691 Transit ASes present in the Internet Routing Table: 10631 Transit-only ASes present in the Internet Routing Table: 515 Paths with bogon ASNs present in the IPv4 Routing Table: 20 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: 979 Number of instances of unregistered ASNs: 993 Number of 32-bit ASNs allocated by the RIRs: 45056 Number of 32-bit ASNs visible in the Routing Table: 36723 Prefixes from 32-bit ASNs in the Routing Table: 188926 Number of bogon 32-bit ASNs visible in the Routing Table: 43 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 527 Number of addresses announced to Internet: 3024779520 Equivalent to 180 /8s, 74 /16s and 121 /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: 310613 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249772 Total APNIC prefixes after maximum aggregation: 74124 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 241752 Unique aggregates announced from the APNIC address blocks: 101909 APNIC Region origin ASes present in the Internet Routing Table: 14180 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4316 APNIC Region transit ASes present in the Internet Routing Table: 1880 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: 9653 Number of APNIC addresses announced to Internet: 761554176 Equivalent to 45 /8s, 100 /16s and 101 /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: 276921 Total ARIN prefixes after maximum aggregation: 125106 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281323 Unique aggregates announced from the ARIN address blocks: 134901 ARIN Region origin ASes present in the Internet Routing Table: 19057 ARIN Prefixes per ASN: 14.76 ARIN Region origin ASes announcing only one prefix: 6937 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: 4931 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: 265229 Total RIPE prefixes after maximum aggregation: 127834 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 260980 Unique aggregates announced from the RIPE address blocks: 165495 RIPE Region origin ASes present in the Internet Routing Table: 28655 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12128 RIPE Region transit ASes present in the Internet Routing Table: 3914 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11899 Number of RIPE addresses announced to Internet: 714558720 Equivalent to 42 /8s, 151 /16s and 77 /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: 121330 Total LACNIC prefixes after maximum aggregation: 29027 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119300 Unique aggregates announced from the LACNIC address blocks: 50297 LACNIC Region origin ASes present in the Internet Routing Table: 11120 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2644 LACNIC Region transit ASes present in the Internet Routing Table: 2429 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: 9015 Number of LACNIC addresses announced to Internet: 177015040 Equivalent to 10 /8s, 141 /16s and 9 /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: 31549 Total AfriNIC prefixes after maximum aggregation: 6255 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 41898 Unique aggregates announced from the AfriNIC address blocks: 13655 AfriNIC Region origin ASes present in the Internet Routing Table: 1862 AfriNIC Prefixes per ASN: 22.50 AfriNIC Region origin ASes announcing only one prefix: 666 AfriNIC Region transit ASes present in the Internet Routing Table: 355 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1225 Number of AfriNIC addresses announced to Internet: 104751616 Equivalent to 6 /8s, 62 /16s and 98 /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 9860 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5659 776 660 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4200 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3964 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3791 511 261 BBIL-AP BHARTI Airtel Ltd., IN 7713 3644 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3242 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2818 860 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2197 434 201 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 10287 11567 3637 AMAZON-02, US 11492 4622 307 548 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3835 8788 880 COGENT-174, US 6327 3595 1320 79 SHAW, CA 22773 3423 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3254 54899 2506 DNIC-AS-00749, US 16625 3000 1296 2167 AKAMAI-AS, US 7018 2981 23693 1864 ATT-INTERNET4, US 396982 2770 3597 417 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 7706 1708 145 UNI2-AS, ES 39891 4521 271 59 ALJAWWALSTC-AS, SA 20940 3805 3396 129 AKAMAI-ASN1, NL 9009 3566 304 1840 M247, RO 12389 2857 2291 857 ROSTELECOM-AS, RU 34984 2358 363 574 TELLCOM-AS, TR 8551 1779 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1732 124 1267 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1556 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 11730 3291 518 UNINET, MX 10620 3530 493 933 Telmex Colombia S.A., CO 13999 2545 355 676 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 1315 768 202 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 478 Axtel, S.A.B. de C.V., MX 6147 1100 369 22 Telefonica del Peru S.A.A., PE 26615 1084 2503 53 TIM SA, BR 19037 1076 278 31 AMX Argentina S.A., AR 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 1615 389 16 LINKdotNET-AS, EG 24835 1554 593 29 RAYA-AS, EG 36992 1382 1520 280 ETISALAT-MISR, EG 29571 1298 82 75 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 552 82 3 KENET-AS, KE 37342 512 32 1 MOVITEL, MZ 24757 427 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 11730 3291 518 UNINET, MX 16509 10287 11567 3637 AMAZON-02, US 9808 9860 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7706 1708 145 UNI2-AS, ES 7545 5659 776 660 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4622 307 548 CABLEONE, US 39891 4521 271 59 ALJAWWALSTC-AS, SA 18403 4200 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3964 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 9860 9786 CHINAMOBILE-CN China Mobile Communications Grou 12479 7706 7561 UNI2-AS, ES 16509 10287 6650 AMAZON-02, US 7545 5659 4999 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4521 4462 ALJAWWALSTC-AS, SA 18403 4200 4177 FPT-AS-AP FPT Telecom Company, VN 7155 4166 4078 VIASAT-SP-BACKBONE, US 11492 4622 4074 CABLEONE, US 7552 3964 3943 VIETEL-AS-AP Viettel Group, VN 20940 3805 3676 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 /15:2050 /16:13119 /17:8138 /18:13551 /19:24296 /20:43104 /21:51206 /22:110648 /23:99141 /24:578334 /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 6792 7706 UNI2-AS, ES 8151 5868 11730 UNINET, MX 11492 3533 4622 CABLEONE, US 6327 3392 3595 SHAW, CA 39891 3361 4521 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2560 3423 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2159 3530 Telmex Colombia S.A., CO 16509 2157 10287 AMAZON-02, US 30036 2153 2492 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2277 2:1500 3:389 4:6 5:4364 6:162 7:6 8:1510 9:1 11:172 12:1433 13:367 14:2341 15:324 16:220 17:364 18:786 20:385 21:4 22:188 23:6897 24:2688 25:2 27:2618 29:19 31:2598 32:44 34:67 35:135 36:2344 37:4489 38:8144 39:912 40:150 41:4067 42:1992 43:2388 44:330 45:17314 46:4567 47:300 49:1963 50:1849 51:576 52:1579 54:319 55:948 56:8 57:214 58:2147 59:1200 60:1055 61:2689 62:2743 63:1851 64:5429 65:2278 66:4603 67:3001 68:1331 69:4018 70:1156 71:558 72:2857 74:2596 75:1559 76:614 77:2502 78:1853 79:1788 80:2171 81:2010 82:1694 83:1358 84:1698 85:3169 86:940 87:2025 88:1241 89:4186 90:698 91:8186 92:2352 93:2715 94:3742 95:4237 96:1277 97:312 98:1036 99:739 100:73 101:1166 102:3322 103:32208 104:4751 105:697 106:1001 107:2494 108:1157 109:4049 110:2119 111:3211 112:2054 113:1803 114:1815 115:2029 116:1945 117:2647 118:2805 119:1977 120:1797 121:1292 122:2698 123:2247 124:1611 125:2825 126:64 128:1363 129:929 130:1174 131:1859 132:810 133:415 134:1715 135:308 136:1126 137:1060 138:2849 139:1527 140:1404 141:1384 142:1671 143:1628 144:1022 145:356 146:2094 147:2008 148:2531 149:2770 150:1032 151:1354 152:2222 153:524 154:6453 155:1434 156:2236 157:1900 158:1176 159:2428 160:2862 161:1707 162:3524 163:1704 164:1679 165:2139 166:1258 167:1824 168:4028 169:804 170:4895 171:1030 172:3873 173:3061 174:898 175:1239 176:3459 177:4610 178:3636 179:2206 180:2425 181:3798 182:3325 183:1972 184:2258 185:20898 186:4957 187:4281 188:4081 189:4129 190:9522 191:1526 192:11015 193:9160 194:7479 195:5302 196:3215 197:2649 198:5914 199:8012 200:8068 201:6246 202:10227 203:10303 204:4533 205:3635 206:4428 207:3498 208:4149 209:4990 210:4472 211:2533 212:4415 213:3618 214:1066 215:49 216:6709 217:2967 218:1328 219:432 220:1809 221:1035 222:699 223:2218 End of report