IPv4 R&E Routing Table Report 23:05 GMT Sun 09 Mar, 2025 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: 973188 Prefixes after maximum aggregation (per Origin AS): 373121 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 476394 Number of IPv4 prefixes with a valid ROA: 534069 Number of IPv4 prefixes with an invalid ROA: 789 Number of IPv4 prefixes with no ROA: 438330 Total ASes present in the Internet Routing Table: 76501 Prefixes per ASN: 12.72 Origin-only ASes present in the Internet Routing Table: 65659 Origin ASes announcing only one prefix: 26873 Transit ASes present in the Internet Routing Table: 10842 Transit-only ASes present in the Internet Routing Table: 530 Paths with bogon ASNs present in the IPv4 Routing Table: 16 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 980 Number of instances of unregistered ASNs: 999 Number of 32-bit ASNs allocated by the RIRs: 46183 Number of 32-bit ASNs visible in the Routing Table: 37870 Prefixes from 32-bit ASNs in the Routing Table: 198907 Number of bogon 32-bit ASNs visible in the Routing Table: 50 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 457 Number of addresses announced to Internet: 3110648064 Equivalent to 185 /8s, 104 /16s and 185 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 319550 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254978 Total APNIC prefixes after maximum aggregation: 76082 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246784 Unique aggregates announced from the APNIC address blocks: 102579 APNIC Region origin ASes present in the Internet Routing Table: 14480 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4409 APNIC Region transit ASes present in the Internet Routing Table: 1950 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10009 Number of APNIC addresses announced to Internet: 749375744 Equivalent to 44 /8s, 170 /16s and 145 /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, 131072-155961 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: 287276 Total ARIN prefixes after maximum aggregation: 128073 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 288053 Unique aggregates announced from the ARIN address blocks: 136509 ARIN Region origin ASes present in the Internet Routing Table: 19189 ARIN Prefixes per ASN: 15.01 ARIN Region origin ASes announcing only one prefix: 7025 ARIN Region transit ASes present in the Internet Routing Table: 1911 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: 5155 Number of ARIN addresses announced to Internet: 1351013632 Equivalent to 80 /8s, 134 /16s and 213 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 271735 Total RIPE prefixes after maximum aggregation: 132336 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 269788 Unique aggregates announced from the RIPE address blocks: 172785 RIPE Region origin ASes present in the Internet Routing Table: 28841 RIPE Prefixes per ASN: 9.35 RIPE Region origin ASes announcing only one prefix: 12081 RIPE Region transit ASes present in the Internet Routing Table: 3964 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12290 Number of RIPE addresses announced to Internet: 732753664 Equivalent to 43 /8s, 172 /16s and 239 /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, 53/8, 57/8, 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: 123115 Total LACNIC prefixes after maximum aggregation: 29192 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 119981 Unique aggregates announced from the LACNIC address blocks: 48846 LACNIC Region origin ASes present in the Internet Routing Table: 11193 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2473 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: 9145 Number of LACNIC addresses announced to Internet: 172748800 Equivalent to 10 /8s, 75 /16s and 240 /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: 35104 Total AfriNIC prefixes after maximum aggregation: 6828 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 48125 Unique aggregates announced from the AfriNIC address blocks: 15281 AfriNIC Region origin ASes present in the Internet Routing Table: 1907 AfriNIC Prefixes per ASN: 25.24 AfriNIC Region origin ASes announcing only one prefix: 700 AfriNIC Region transit ASes present in the Internet Routing Table: 373 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1271 Number of AfriNIC addresses announced to Internet: 104524800 Equivalent to 6 /8s, 58 /16s and 236 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10324 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6211 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4407 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4225 530 275 BBIL-AP BHARTI Airtel Ltd., IN 7552 3922 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3671 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3272 1869 103 VNPT-AS-VN VNPT Corp, VN 24560 2840 850 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2170 434 197 TATACOMM-AS TATA Communications formerly 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 12939 39644 3929 AMAZON-02, US 11492 4673 310 589 CABLEONE, US 7155 4175 286 83 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 174 3474 8768 962 COGENT-174, US 22773 3380 3035 181 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 396982 2944 3660 457 GOOGLE-CLOUD-PLATFORM, US 16625 2943 1246 2172 AKAMAI-AS, US 30036 2556 353 403 MEDIACOM-ENTERPRISE-BUSINESS, 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 7769 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3898 3395 126 AKAMAI-ASN1, NL 9009 3763 322 1940 M247, RO 12389 2977 2303 889 ROSTELECOM-AS, RU 34984 2369 361 581 TELLCOM-AS, TR 212238 2027 145 1497 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1527 1852 14 TE-AS TE-AS, EG 62240 1487 98 746 CLOUVIDER Clouvider - Global ASN, GB 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 11790 3236 590 UNINET, MX 10620 3544 492 962 Telmex Colombia S.A., CO 13999 2505 539 374 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1328 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1204 371 22 Telefonica del Peru S.A.A., PE 11664 1168 278 33 Techtel LMDS Comunicaciones Interactivas 6503 1109 374 163 Axtel, S.A.B. de C.V., MX 22884 1047 67 372 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 24835 1682 599 30 RAYA-AS, EG 24863 1619 389 16 LINKdotNET-AS, EG 29571 1578 100 104 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1022 523 45 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 855 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 15399 524 56 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 16509 12939 39644 3929 AMAZON-02, US 8151 11790 3236 590 UNINET, MX 9808 10324 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7769 1714 145 UNI2-AS, ES 7545 6211 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4673 310 589 CABLEONE, US 18403 4407 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4225 530 275 BBIL-AP BHARTI Airtel Ltd., IN 7155 4175 286 83 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 8151 11790 11200 UNINET, MX 9808 10324 10236 CHINAMOBILE-CN China Mobile Communications Grou 12479 7769 7624 UNI2-AS, ES 7545 6211 5555 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4407 4382 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4092 VIASAT-SP-BACKBONE, US 11492 4673 4084 CABLEONE, US 9498 4225 3950 BBIL-AP BHARTI Airtel Ltd., IN 7552 3922 3896 VIETEL-AS-AP Viettel Group, VN 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 23.140.216.0/24 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 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /10:42 /11:92 /12:304 /13:583 /14:1214 /15:2144 /16:13924 /17:8243 /18:13623 /19:24451 /20:43664 /21:51642 /22:111585 /23:100833 /24:600812 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6710 7769 UNI2-AS, ES 8151 6000 11790 UNINET, MX 11492 3527 4673 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3622 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 22773 2517 3380 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2344 12939 AMAZON-02, US 30036 2216 2556 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2184 3544 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2338 2:1503 3:579 4:10 5:4553 6:166 7:6 8:1550 9:1 11:172 12:1377 13:341 14:2517 15:350 16:279 17:361 18:924 20:461 21:4 22:188 23:7269 24:3021 25:2 27:2703 29:19 31:3195 32:35 34:82 35:203 36:2408 37:4614 38:8742 39:897 40:153 41:4218 42:2003 43:2521 44:357 45:18352 46:5017 47:288 49:1980 50:1882 51:589 52:1564 54:303 55:864 56:9 57:241 58:2219 59:1206 60:1166 61:2815 62:2911 63:1824 64:5495 65:2169 66:4604 67:3015 68:1118 69:3956 70:1109 71:606 72:2857 74:2774 75:1650 76:610 77:2683 78:1858 79:1710 80:2190 81:2006 82:2733 83:1395 84:1809 85:3355 86:1027 87:2155 88:1277 89:4316 90:780 91:8311 92:2793 93:2892 94:3906 95:4264 96:1412 97:318 98:970 99:740 100:71 101:1395 102:3651 103:32200 104:4801 105:741 106:997 107:2587 108:1202 109:4107 110:2228 111:3316 112:2035 113:1797 114:1944 115:2117 116:2038 117:2754 118:2868 119:1940 120:1877 121:1356 122:2754 123:2163 124:1609 125:2867 126:88 128:1545 129:956 130:1265 131:1849 132:777 133:451 134:1525 135:330 136:1274 137:1103 138:2874 139:1597 140:1547 141:1470 142:1822 143:1630 144:1061 145:476 146:2144 147:2072 148:2595 149:2859 150:1242 151:1945 152:2100 153:504 154:7889 155:1606 156:3290 157:1902 158:1265 159:2422 160:3556 161:1923 162:3666 163:1868 164:1694 165:2191 166:1380 167:1873 168:4028 169:782 170:5067 171:1000 172:4434 173:3222 174:912 175:1278 176:3654 177:4710 178:3783 179:2224 180:2570 181:4028 182:3370 183:2067 184:2299 185:21457 186:5071 187:4329 188:4208 189:4181 190:9643 191:1539 192:11129 193:9386 194:7738 195:5501 196:3245 197:3746 198:6069 199:8373 200:8032 201:6302 202:10318 203:10513 204:4500 205:3629 206:4527 207:3441 208:4164 209:5143 210:4493 211:2526 212:4493 213:3739 214:1061 215:42 216:6588 217:3104 218:1331 219:375 220:2106 221:1052 222:717 223:2317 End of report