IPv4 R&E Routing Table Report 23:00 GMT Thu 15 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: 1078076 Prefixes after maximum aggregation (per Origin AS): 414763 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 536211 Number of IPv4 prefixes with a valid ROA: 762396 Number of IPv4 prefixes with an invalid ROA: 423 Number of IPv4 prefixes with no ROA: 315257 Total ASes present in the Internet Routing Table: 79446 Prefixes per ASN: 13.57 Origin-only ASes present in the Internet Routing Table: 67994 Origin ASes announcing only one prefix: 27875 Transit ASes present in the Internet Routing Table: 11452 Transit-only ASes present in the Internet Routing Table: 618 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 1123 Number of instances of unregistered ASNs: 1145 Number of 32-bit ASNs allocated by the RIRs: 51688 Number of 32-bit ASNs visible in the Routing Table: 41941 Prefixes from 32-bit ASNs in the Routing Table: 244094 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: 590 Number of addresses announced to Internet: 3125719040 Equivalent to 186 /8s, 78 /16s and 176 /24s Percentage of available address space announced: 84.4 Percentage of allocated address space announced: 84.4 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: 355628 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 291018 Total APNIC prefixes after maximum aggregation: 85191 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 278938 Unique aggregates announced from the APNIC address blocks: 110543 APNIC Region origin ASes present in the Internet Routing Table: 15413 APNIC Prefixes per ASN: 18.10 APNIC Region origin ASes announcing only one prefix: 4744 APNIC Region transit ASes present in the Internet Routing Table: 2081 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 11041 Number of APNIC addresses announced to Internet: 748897280 Equivalent to 44 /8s, 163 /16s and 68 /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: 314225 Total ARIN prefixes after maximum aggregation: 140117 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 311191 Unique aggregates announced from the ARIN address blocks: 153310 ARIN Region origin ASes present in the Internet Routing Table: 19518 ARIN Prefixes per ASN: 15.94 ARIN Region origin ASes announcing only one prefix: 7212 ARIN Region transit ASes present in the Internet Routing Table: 1974 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: 5841 Number of ARIN addresses announced to Internet: 1355236096 Equivalent to 80 /8s, 199 /16s and 67 /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: 301211 Total RIPE prefixes after maximum aggregation: 149790 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 307652 Unique aggregates announced from the RIPE address blocks: 201436 RIPE Region origin ASes present in the Internet Routing Table: 29910 RIPE Prefixes per ASN: 10.29 RIPE Region origin ASes announcing only one prefix: 12393 RIPE Region transit ASes present in the Internet Routing Table: 4177 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 54 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13987 Number of RIPE addresses announced to Internet: 750323712 Equivalent to 44 /8s, 185 /16s and 8 /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: 132070 Total LACNIC prefixes after maximum aggregation: 31901 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 125702 Unique aggregates announced from the LACNIC address blocks: 51753 LACNIC Region origin ASes present in the Internet Routing Table: 11531 LACNIC Prefixes per ASN: 10.90 LACNIC Region origin ASes announcing only one prefix: 2756 LACNIC Region transit ASes present in the Internet Routing Table: 2637 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: 9612 Number of LACNIC addresses announced to Internet: 167295488 Equivalent to 9 /8s, 248 /16s and 186 /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: 38429 Total AfriNIC prefixes after maximum aggregation: 7080 AfriNIC Deaggregation factor: 5.43 Prefixes being announced from the AfriNIC address blocks: 54003 Unique aggregates announced from the AfriNIC address blocks: 18687 AfriNIC Region origin ASes present in the Internet Routing Table: 2095 AfriNIC Prefixes per ASN: 25.78 AfriNIC Region origin ASes announcing only one prefix: 770 AfriNIC Region transit ASes present in the Internet Routing Table: 383 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 69 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1460 Number of AfriNIC addresses announced to Internet: 103656960 Equivalent to 6 /8s, 45 /16s and 174 /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 13999 8737 135 CHINAMOBILE-CN - China Mobile Communicati 9498 5105 560 331 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4733 347 24 FPT-VN - FPT Telecom Company, VN 7545 4646 842 280 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4094 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3628 887 182 CMNET-Jiangsu-AP - China Mobile communica 7713 3448 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3404 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3317 332 1669 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2385 538 664 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 18021 42597 5622 AMAZON-02 - Amazon.com, Inc., US 22773 4919 3320 458 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4632 308 1098 CABLEONE - CABLE ONE, INC., US 7155 4337 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3837 1305 74 SHAW - Shaw Communications, CA 396982 3546 5381 599 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3284 244 1154 AS-COLOCROSSING - HostPapa, US 749 3133 54647 2384 DNIC-AS-00749 - United States Department 7029 2918 2589 920 WINDSTREAM - Windstream Communications LL 31898 2824 1407 1185 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 6949 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4370 390 2673 M247 - M247 Europe SRL, RO 20940 3797 3388 105 AKAMAI-ASN1 - Akamai International B.V., 212238 3694 265 2813 CDNEXT - Datacamp Limited, GB 12389 3102 2329 865 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2528 371 602 TELLCOM-AS - Superonline Iletisim Hizmetl 29355 2525 155 30 KCELL-AS - Kcell JSC, KZ 25019 1921 1384 141 SAUDINETSTC-AS - Saudi Telecom Company JS 3257 1744 2083 981 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 13284 3296 617 AS8151 - UNINET, MX 10620 3399 442 1122 AS10620 - Telmex Colombia S.A., CO 13999 2219 492 325 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1852 369 65 AS11830 - Instituto Costarricense de Elec 11664 1511 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1388 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1267 762 225 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1175 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1099 73 383 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 1457 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 804 57 60 Wananchi Group (Kenya) Limited - Wananchi 20011 561 162 178 Dimension Data - Dimension Data, ZA 36873 545 141 39 Airtel Networks Limited - Airtel Networks 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 18021 42597 5622 AMAZON-02 - Amazon.com, Inc., US 9808 13999 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13284 3296 617 AS8151 - UNINET, MX 12479 6949 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5105 560 331 BBIL-AP - BHARTI Airtel Ltd., IN 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4919 3320 458 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4733 347 24 FPT-VN - FPT Telecom Company, VN 7545 4646 842 280 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4632 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 13999 13864 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13284 12667 AS8151 - UNINET, MX 12479 6949 6800 UNI2-AS - Orange Espagne SA, ES 39891 5044 4967 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5105 4774 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4733 4709 FPT-VN - FPT Telecom Company, VN 22773 4919 4461 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4646 4366 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4337 4250 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4094 4070 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 3356 LEVEL3 - Level 3 Parent 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 /15:2131 /16:13699 /17:8246 /18:13234 /19:25495 /20:45591 /21:53550 /22:113744 /23:111052 /24:689089 /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 7439 13284 AS8151 - UNINET, MX 12479 5863 6949 UNI2-AS - Orange Espagne SA, ES 39891 3727 5044 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3602 3837 SHAW - Shaw Communications, CA 11492 3509 4632 CABLEONE - CABLE ONE, INC., US 16509 3470 18021 AMAZON-02 - Amazon.com, Inc., US 7155 3268 4337 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3133 4919 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2234 3399 AS10620 - Telmex Colombia S.A., CO 30036 2180 2526 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) ---------------------------------------------- 1:2750 2:2968 3:1573 4:6 5:5570 6:214 7:6 8:1342 9:493 11:172 12:1082 13:1420 14:2719 15:488 16:361 17:469 18:1447 20:599 21:4 22:189 23:8625 24:2815 25:2 27:2939 28:8 29:19 31:3993 32:34 34:94 35:306 36:4933 37:4443 38:10573 39:1447 40:456 41:4612 42:2272 43:3527 44:527 45:20061 46:5010 47:476 48:171 49:2483 50:2022 51:1041 52:1466 54:504 55:1156 56:11 57:333 58:2555 59:1371 60:1190 61:3314 62:3196 63:1671 64:6682 65:2277 66:6265 67:3330 68:1355 69:4098 70:1086 71:595 72:3363 74:3140 75:1743 76:600 77:2935 78:2178 79:2013 80:2402 81:2305 82:4449 83:1510 84:2167 85:3925 86:1155 87:3018 88:1380 89:4969 90:795 91:8561 92:2801 93:3075 94:4689 95:4758 96:1452 97:304 98:967 99:1154 100:65 101:1619 102:4746 103:33180 104:5796 105:965 106:970 107:3008 108:1568 109:4037 110:2243 111:4236 112:3222 113:1984 114:2636 115:2332 116:2114 117:3904 118:2996 119:2148 120:2826 121:2029 122:3066 123:2204 124:1789 125:3027 126:175 128:1591 129:995 130:1770 131:2626 132:952 133:483 134:1833 135:676 136:1588 137:1419 138:3445 139:1833 140:1894 141:1912 142:2744 143:2357 144:1933 145:729 146:2249 147:2430 148:2910 149:3593 150:1535 151:3189 152:2704 153:2242 154:8829 155:2380 156:4137 157:2578 158:1651 159:2990 160:4200 161:2170 162:4265 163:2761 164:2524 165:2803 166:1264 167:2421 168:4295 169:989 170:5602 171:1142 172:4950 173:3483 174:897 175:1437 176:4108 177:5674 178:4696 179:2884 180:3494 181:4758 182:4156 183:2898 184:2204 185:22055 186:6594 187:6071 188:4931 189:5033 190:10023 191:2033 192:11988 193:9635 194:8008 195:6030 196:3474 197:3290 198:6328 199:6186 200:8323 201:6943 202:10653 203:10717 204:4793 205:3720 206:4472 207:3872 208:4336 209:5467 210:4746 211:2728 212:5279 213:4127 214:1041 215:52 216:7327 217:3941 218:1925 219:415 220:2232 221:1473 222:977 223:3670 End of report