IPv4 R&E Routing Table Report 23:00 GMT Thu 22 Oct, 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: 1077528 Prefixes after maximum aggregation (per Origin AS): 415474 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 536374 Number of IPv4 prefixes with a valid ROA: 763303 Number of IPv4 prefixes with an invalid ROA: 424 Number of IPv4 prefixes with no ROA: 313801 Total ASes present in the Internet Routing Table: 79539 Prefixes per ASN: 13.55 Origin-only ASes present in the Internet Routing Table: 68061 Origin ASes announcing only one prefix: 27933 Transit ASes present in the Internet Routing Table: 11478 Transit-only ASes present in the Internet Routing Table: 617 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 85 Max AS path prepend of ASN ( 37447) 81 Prefixes from unregistered ASNs in the Routing Table: 1111 Number of instances of unregistered ASNs: 1133 Number of 32-bit ASNs allocated by the RIRs: 51799 Number of 32-bit ASNs visible in the Routing Table: 42025 Prefixes from 32-bit ASNs in the Routing Table: 244581 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: 557 Number of addresses announced to Internet: 3127032064 Equivalent to 186 /8s, 98 /16s and 185 /24s Percentage of available address space announced: 84.5 Percentage of allocated address space announced: 84.5 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: 356611 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 289813 Total APNIC prefixes after maximum aggregation: 85136 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 278767 Unique aggregates announced from the APNIC address blocks: 110669 APNIC Region origin ASes present in the Internet Routing Table: 15432 APNIC Prefixes per ASN: 18.06 APNIC Region origin ASes announcing only one prefix: 4754 APNIC Region transit ASes present in the Internet Routing Table: 2099 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 11059 Number of APNIC addresses announced to Internet: 748885504 Equivalent to 44 /8s, 163 /16s and 22 /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: 314127 Total ARIN prefixes after maximum aggregation: 140350 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 310958 Unique aggregates announced from the ARIN address blocks: 153247 ARIN Region origin ASes present in the Internet Routing Table: 19542 ARIN Prefixes per ASN: 15.91 ARIN Region origin ASes announcing only one prefix: 7233 ARIN Region transit ASes present in the Internet Routing Table: 1973 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5858 Number of ARIN addresses announced to Internet: 1356450816 Equivalent to 80 /8s, 217 /16s and 204 /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: 301625 Total RIPE prefixes after maximum aggregation: 150177 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 308547 Unique aggregates announced from the RIPE address blocks: 202416 RIPE Region origin ASes present in the Internet Routing Table: 29965 RIPE Prefixes per ASN: 10.30 RIPE Region origin ASes announcing only one prefix: 12415 RIPE Region transit ASes present in the Internet Routing Table: 4187 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 14038 Number of RIPE addresses announced to Internet: 750571264 Equivalent to 44 /8s, 188 /16s and 207 /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: 132147 Total LACNIC prefixes after maximum aggregation: 31942 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 125686 Unique aggregates announced from the LACNIC address blocks: 51768 LACNIC Region origin ASes present in the Internet Routing Table: 11533 LACNIC Prefixes per ASN: 10.90 LACNIC Region origin ASes announcing only one prefix: 2762 LACNIC Region transit ASes present in the Internet Routing Table: 2629 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9606 Number of LACNIC addresses announced to Internet: 167403008 Equivalent to 9 /8s, 250 /16s and 94 /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: 38705 Total AfriNIC prefixes after maximum aggregation: 7194 AfriNIC Deaggregation factor: 5.38 Prefixes being announced from the AfriNIC address blocks: 53013 Unique aggregates announced from the AfriNIC address blocks: 17806 AfriNIC Region origin ASes present in the Internet Routing Table: 2095 AfriNIC Prefixes per ASN: 25.30 AfriNIC Region origin ASes announcing only one prefix: 769 AfriNIC Region transit ASes present in the Internet Routing Table: 381 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 85 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1464 Number of AfriNIC addresses announced to Internet: 103415040 Equivalent to 6 /8s, 41 /16s and 253 /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 14006 8737 135 CHINAMOBILE-CN - China Mobile Communicati 9498 5116 560 333 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4753 347 24 FPT-VN - FPT Telecom Company, VN 7545 4646 842 280 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4096 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3637 887 182 CMNET-Jiangsu-AP - China Mobile communica 7713 3506 1044 69 telkomnet-as-ap - PT Telekomunikasi Indon 140292 3290 333 1655 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 45899 3271 1867 104 VNPT-AS-VN - VNPT Corp, VN 24560 2391 538 669 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 17451 42609 5633 AMAZON-02 - Amazon.com, Inc., US 22773 4913 3295 465 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4633 308 1098 CABLEONE - CABLE ONE, INC., US 7155 4335 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3840 1305 75 SHAW - Shaw Communications, CA 396982 3554 5382 603 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3287 244 1151 AS-COLOCROSSING - HostPapa, US 749 3132 54647 2383 DNIC-AS-00749 - United States Department 7029 2944 2585 927 WINDSTREAM - Windstream Communications LL 31898 2835 1421 1179 ORACLE-BMC-31898 - Oracle Corporation, 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 6889 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4350 388 2650 M247 - M247 Europe SRL, RO 20940 3807 3388 105 AKAMAI-ASN1 - Akamai International B.V., 212238 3593 259 2750 CDNEXT - Datacamp Limited, GB 12389 3102 2329 867 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2525 155 30 KCELL-AS - Kcell JSC, KZ 34984 2520 370 597 TELLCOM-AS - Superonline Iletisim Hizmetl 25019 1961 1384 141 SAUDINETSTC-AS - Saudi Telecom Company JS 3257 1739 2082 977 GTT-BACKBONE - GTT Communications Inc., U 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 13295 3297 615 AS8151 - UNINET, MX 10620 3398 442 1121 AS10620 - Telmex Colombia S.A., CO 13999 2224 495 327 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1851 369 65 AS11830 - Instituto Costarricense de Elec 11664 1514 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1388 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1268 763 226 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1174 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1103 73 382 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1079 75 54 AS27715 - Locaweb Servicos de Internet S/ 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 1972 481 26 Vodafone Data - Vodafone Data, EG 36992 1943 1543 326 ETISALAT MISR - ETISALAT MISR, EG 24863 1461 389 20 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1352 588 110 Office National des Postes et Telecommuni 36935 1295 523 49 Vodafone Data - Vodafone Data, EG 37069 1128 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 15399 806 57 60 Wananchi Group (Kenya) Limited - Wananchi 20011 719 172 287 Dimension Data - Dimension Data, ZA 36914 550 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 17451 42609 5633 AMAZON-02 - Amazon.com, Inc., US 9808 14006 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13295 3297 615 AS8151 - UNINET, MX 12479 6889 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5116 560 333 BBIL-AP - BHARTI Airtel Ltd., IN 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4913 3295 465 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4753 347 24 FPT-VN - FPT Telecom Company, VN 7545 4646 842 280 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4633 308 1098 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 14006 13871 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13295 12680 AS8151 - UNINET, MX 12479 6889 6740 UNI2-AS - Orange Espagne SA, ES 39891 5044 4967 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5116 4783 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4753 4729 FPT-VN - FPT Telecom Company, VN 22773 4913 4448 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4646 4366 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4335 4248 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4096 4072 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 4593 UNALLOCATED 2.26.176.0/24 10122 NETSTAR-AS-AP - NETSTAR 4593 UNALLOCATED 2.26.216.0/24 10122 NETSTAR-AS-AP - NETSTAR 4593 UNALLOCATED 2.26.219.0/24 10122 NETSTAR-AS-AP - NETSTAR 394928 UNALLOCATED 8.2.70.0/24 6461 ZAYO-6461 - Zayo Bandwi 23338 UNALLOCATED 8.14.84.0/22 400043 IBRIDGE-01 - IBRIDGE CL 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 8.33.224.0/24 174 COGENT-174 - Cogent Com 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 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 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 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 /13:588 /14:1192 /15:2130 /16:13720 /17:8253 /18:13239 /19:25506 /20:45507 /21:53502 /22:114066 /23:111155 /24:688205 /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 7448 13295 AS8151 - UNINET, MX 12479 5805 6889 UNI2-AS - Orange Espagne SA, ES 39891 3727 5044 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3604 3840 SHAW - Shaw Communications, CA 11492 3509 4633 CABLEONE - CABLE ONE, INC., US 16509 3388 17451 AMAZON-02 - Amazon.com, Inc., US 7155 3267 4335 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3125 4913 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2233 3398 AS10620 - Telmex Colombia S.A., CO 30036 2184 2530 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) ---------------------------------------------- 1:2751 2:2982 3:1350 4:6 5:5576 6:219 7:6 8:1342 9:517 11:172 12:1081 13:1377 14:2712 15:488 16:384 17:472 18:1128 20:602 21:4 22:189 23:8628 24:2820 25:2 27:2931 28:7 29:19 31:4008 32:34 34:94 35:310 36:4934 37:4452 38:10588 39:1448 40:455 41:4607 42:2293 43:3549 44:533 45:19896 46:5053 47:474 48:171 49:2478 50:2028 51:1085 52:1443 54:482 55:1162 56:11 57:342 58:2515 59:1376 60:1185 61:3333 62:3204 63:1670 64:6668 65:2273 66:6265 67:3339 68:1361 69:4091 70:1079 71:595 72:3369 74:3147 75:1743 76:600 77:2951 78:2173 79:2086 80:2425 81:2319 82:4433 83:1527 84:2152 85:3928 86:1140 87:3003 88:1377 89:4980 90:782 91:8549 92:2802 93:3074 94:4707 95:4786 96:1454 97:304 98:953 99:1156 100:65 101:1623 102:4768 103:33174 104:5812 105:969 106:971 107:3025 108:1442 109:4057 110:2237 111:4218 112:3227 113:1971 114:2629 115:2328 116:2103 117:3898 118:2992 119:2136 120:2828 121:2016 122:3059 123:2211 124:1731 125:3025 126:175 128:1599 129:1004 130:1767 131:2629 132:947 133:490 134:1838 135:677 136:1579 137:1424 138:3449 139:1835 140:1893 141:1941 142:2757 143:2373 144:1935 145:724 146:2246 147:2449 148:2891 149:3600 150:1538 151:3190 152:2745 153:2241 154:8069 155:2415 156:3571 157:2585 158:1660 159:2998 160:4205 161:2103 162:4267 163:2784 164:2537 165:2819 166:1262 167:2421 168:4293 169:997 170:5604 171:1137 172:4947 173:3475 174:890 175:1440 176:4121 177:5915 178:4656 179:2929 180:3514 181:4766 182:4142 183:2903 184:2201 185:22047 186:6591 187:6239 188:4981 189:5072 190:10022 191:2131 192:12021 193:9635 194:7999 195:6024 196:3517 197:3457 198:6333 199:6189 200:8337 201:7004 202:10679 203:10700 204:4793 205:3728 206:4466 207:3870 208:4339 209:5449 210:4753 211:2729 212:5263 213:4133 214:1039 215:51 216:7309 217:3958 218:1927 219:415 220:2231 221:1471 222:978 223:3679 End of report