IPv4 R&E Routing Table Report 23:00 GMT Fri 03 Jul, 2026 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: 1056738 Prefixes after maximum aggregation (per Origin AS): 407327 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 525399 Number of IPv4 prefixes with a valid ROA: 711433 Number of IPv4 prefixes with an invalid ROA: 661 Number of IPv4 prefixes with no ROA: 344644 Total ASes present in the Internet Routing Table: 78724 Prefixes per ASN: 13.42 Origin-only ASes present in the Internet Routing Table: 67439 Origin ASes announcing only one prefix: 27512 Transit ASes present in the Internet Routing Table: 11285 Transit-only ASes present in the Internet Routing Table: 598 Paths with bogon ASNs present in the IPv4 Routing Table: 63 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 216 Max AS path prepend of ASN (205624) 211 Prefixes from unregistered ASNs in the Routing Table: 1453 Number of instances of unregistered ASNs: 1492 Number of 32-bit ASNs allocated by the RIRs: 50293 Number of 32-bit ASNs visible in the Routing Table: 41007 Prefixes from 32-bit ASNs in the Routing Table: 236124 Number of bogon 32-bit ASNs visible in the Routing Table: 116 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 490 Number of addresses announced to Internet: 3118765568 Equivalent to 185 /8s, 228 /16s and 150 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 345528 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 289594 Total APNIC prefixes after maximum aggregation: 84781 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 275513 Unique aggregates announced from the APNIC address blocks: 109575 APNIC Region origin ASes present in the Internet Routing Table: 15266 APNIC Prefixes per ASN: 18.05 APNIC Region origin ASes announcing only one prefix: 4674 APNIC Region transit ASes present in the Internet Routing Table: 2072 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 56 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10875 Number of APNIC addresses announced to Internet: 748853504 Equivalent to 44 /8s, 162 /16s and 153 /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: 305289 Total ARIN prefixes after maximum aggregation: 137746 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 303778 Unique aggregates announced from the ARIN address blocks: 149724 ARIN Region origin ASes present in the Internet Routing Table: 19435 ARIN Prefixes per ASN: 15.63 ARIN Region origin ASes announcing only one prefix: 7119 ARIN Region transit ASes present in the Internet Routing Table: 1909 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 216 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5648 Number of ARIN addresses announced to Internet: 1348128256 Equivalent to 80 /8s, 90 /16s and 206 /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, 393216-404380 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: 293390 Total RIPE prefixes after maximum aggregation: 145994 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 297831 Unique aggregates announced from the RIPE address blocks: 195545 RIPE Region origin ASes present in the Internet Routing Table: 29580 RIPE Prefixes per ASN: 10.07 RIPE Region origin ASes announcing only one prefix: 12243 RIPE Region transit ASes present in the Internet Routing Table: 4108 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 106 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13574 Number of RIPE addresses announced to Internet: 749579264 Equivalent to 44 /8s, 173 /16s and 172 /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 196608-219547 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: 129191 Total LACNIC prefixes after maximum aggregation: 30920 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 124059 Unique aggregates announced from the LACNIC address blocks: 50434 LACNIC Region origin ASes present in the Internet Routing Table: 11434 LACNIC Prefixes per ASN: 10.85 LACNIC Region origin ASes announcing only one prefix: 2750 LACNIC Region transit ASes present in the Internet Routing Table: 2610 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 105 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9507 Number of LACNIC addresses announced to Internet: 167723520 Equivalent to 9 /8s, 255 /16s and 66 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 37821 Total AfriNIC prefixes after maximum aggregation: 7101 AfriNIC Deaggregation factor: 5.33 Prefixes being announced from the AfriNIC address blocks: 55067 Unique aggregates announced from the AfriNIC address blocks: 19707 AfriNIC Region origin ASes present in the Internet Routing Table: 2041 AfriNIC Prefixes per ASN: 26.98 AfriNIC Region origin ASes announcing only one prefix: 726 AfriNIC Region transit ASes present in the Internet Routing Table: 385 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1403 Number of AfriNIC addresses announced to Internet: 104208384 Equivalent to 6 /8s, 54 /16s and 24 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 14003 8737 120 CHINAMOBILE-CN - China Mobile Communicati 7545 5853 818 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4991 554 336 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4630 347 25 FPT-VN - FPT Telecom Company, VN 7552 4072 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3730 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3571 887 177 CMNET-Jiangsu-AP - China Mobile communica 45899 3390 1868 99 VNPT-AS-VN - VNPT Corp, VN 17561 3387 213 591 LCS-AS-AP - LARUS Limited, HK 24560 2731 731 729 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 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 15490 41509 5596 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3100 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4554 303 1128 CABLEONE - CABLE ONE, INC., US 7155 3962 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3720 1305 74 SHAW - Shaw Communications, CA 396982 3415 4872 526 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3158 237 1086 AS-COLOCROSSING - HostPapa, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 7029 2670 2553 888 WINDSTREAM - Windstream Communications LL 30036 2551 353 561 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C 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 7070 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4174 375 2545 M247 - M247 Europe SRL, RO 20940 3802 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3390 242 2537 CDNEXT - Datacamp Limited, GB 12389 3138 2321 870 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2494 367 586 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1707 1852 14 TE-AS - IDDQD-AS, EG 44559 1702 106 819 ITHOSTLINE - IT HOSTLINE LTD, CY 203020 1652 253 828 HostRoyale - HostRoyale Technologies Pvt 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 12786 3257 626 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2299 502 335 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1909 369 65 AS11830 - Instituto Costarricense de Elec 11664 1499 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1376 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1207 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1100 70 388 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1064 2385 96 AS26615 - TIM S/A, 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 1991 617 34 Vodafone Data - Vodafone Data, EG 36992 1924 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1306 521 46 Vodafone Data - Vodafone Data, EG 24863 1298 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 617 56 209 Africa on Cloud - Africa on Cloud, ZA 15399 560 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 553 82 3 Kenya Education Network - Kenya Education 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 15490 41509 5596 AMAZON-02 - Amazon.com, Inc., US 9808 14003 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 12786 3257 626 AS8151 - UNINET, MX 12479 7070 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5853 818 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4991 554 336 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4781 3100 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4630 347 25 FPT-VN - FPT Telecom Company, VN 11492 4554 303 1128 CABLEONE - CABLE ONE, INC., 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 14003 13883 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12786 12160 AS8151 - UNINET, MX 12479 7070 6920 UNI2-AS - Orange Espagne SA, ES 7545 5853 5385 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4991 4655 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4630 4605 FPT-VN - FPT Telecom Company, VN 22773 4781 4421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4072 4048 VIETEL-AS-AP - Viettel Group, VN 7155 3962 3851 VIASAT-SP-BACKBONE - ViaSat,Inc., US 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 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 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 /9:14 /10:39 /11:97 /12:299 /13:585 /14:1183 /15:2116 /16:13662 /17:8247 /18:13284 /19:25420 /20:45740 /21:52604 /22:113474 /23:108745 /24:671213 /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 8151 6999 12786 AS8151 - UNINET, MX 12479 5997 7070 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3501 3720 SHAW - Shaw Communications, CA 11492 3444 4554 CABLEONE - CABLE ONE, INC., US 22773 3052 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2916 3962 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2878 15490 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2205 2551 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2569 2:2046 3:1020 4:5 5:5314 6:207 7:6 8:1402 9:76 11:172 12:1112 13:770 14:2723 15:474 16:450 17:448 18:946 20:599 21:4 22:188 23:8458 24:2779 25:2 27:2810 28:1 29:19 31:3833 32:36 34:91 35:287 36:4832 37:4422 38:10144 39:1340 40:437 41:4568 42:2182 43:3342 44:465 45:19920 46:4962 47:476 48:168 49:2399 50:2007 51:912 52:1362 54:303 55:1165 56:11 57:323 58:2774 59:1494 60:1207 61:3160 62:3168 63:1690 64:6488 65:2157 66:6058 67:3317 68:1281 69:4090 70:1052 71:608 72:3238 74:3050 75:1506 76:597 77:2905 78:2132 79:1795 80:2374 81:2295 82:4330 83:1481 84:2194 85:3886 86:1092 87:2777 88:1310 89:4846 90:777 91:8488 92:2762 93:3028 94:4671 95:4709 96:1449 97:310 98:932 99:972 100:72 101:1614 102:4738 103:33071 104:5609 105:831 106:905 107:2948 108:1321 109:3898 110:2295 111:4146 112:3111 113:1985 114:2511 115:2304 116:2101 117:3628 118:3061 119:2082 120:2764 121:1637 122:3007 123:2211 124:2038 125:3032 126:158 128:1570 129:968 130:1694 131:2518 132:894 133:488 134:1749 135:639 136:1525 137:1375 138:3423 139:1802 140:1861 141:1737 142:2622 143:2101 144:1840 145:675 146:2178 147:2266 148:2809 149:3342 150:1331 151:2957 152:2616 153:1881 154:10014 155:2359 156:4605 157:2505 158:1596 159:2881 160:3896 161:2040 162:4145 163:2648 164:2463 165:2782 166:1304 167:2358 168:4095 169:877 170:5610 171:1140 172:4888 173:3480 174:898 175:1364 176:4034 177:5181 178:4516 179:2473 180:3530 181:4633 182:4042 183:2879 184:2038 185:21885 186:6498 187:5501 188:4827 189:4644 190:9925 191:1810 192:11790 193:9631 194:7927 195:5895 196:3438 197:3261 198:6132 199:6075 200:8211 201:6587 202:10665 203:10672 204:4708 205:3728 206:4402 207:3888 208:4336 209:5408 210:4737 211:2691 212:5196 213:4102 214:1036 215:47 216:7279 217:3737 218:1775 219:415 220:2212 221:1358 222:942 223:3592 End of report