IPv4 R&E Routing Table Report 23:00 GMT Thu 30 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: 1060697 Prefixes after maximum aggregation (per Origin AS): 407715 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 526506 Number of IPv4 prefixes with a valid ROA: 720022 Number of IPv4 prefixes with an invalid ROA: 393 Number of IPv4 prefixes with no ROA: 340282 Total ASes present in the Internet Routing Table: 78836 Prefixes per ASN: 13.45 Origin-only ASes present in the Internet Routing Table: 67507 Origin ASes announcing only one prefix: 27641 Transit ASes present in the Internet Routing Table: 11329 Transit-only ASes present in the Internet Routing Table: 612 Paths with bogon ASNs present in the IPv4 Routing Table: 52 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: 1287 Number of instances of unregistered ASNs: 1327 Number of 32-bit ASNs allocated by the RIRs: 50629 Number of 32-bit ASNs visible in the Routing Table: 41176 Prefixes from 32-bit ASNs in the Routing Table: 236846 Number of bogon 32-bit ASNs visible in the Routing Table: 94 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 500 Number of addresses announced to Internet: 3119044864 Equivalent to 185 /8s, 232 /16s and 217 /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: 347393 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 289648 Total APNIC prefixes after maximum aggregation: 84048 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 275586 Unique aggregates announced from the APNIC address blocks: 109076 APNIC Region origin ASes present in the Internet Routing Table: 15252 APNIC Prefixes per ASN: 18.07 APNIC Region origin ASes announcing only one prefix: 4680 APNIC Region transit ASes present in the Internet Routing Table: 2071 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10863 Number of APNIC addresses announced to Internet: 748598784 Equivalent to 44 /8s, 158 /16s and 182 /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: 306532 Total ARIN prefixes after maximum aggregation: 138240 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 304630 Unique aggregates announced from the ARIN address blocks: 150245 ARIN Region origin ASes present in the Internet Routing Table: 19468 ARIN Prefixes per ASN: 15.65 ARIN Region origin ASes announcing only one prefix: 7159 ARIN Region transit ASes present in the Internet Routing Table: 1908 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: 5703 Number of ARIN addresses announced to Internet: 1348238592 Equivalent to 80 /8s, 92 /16s and 125 /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: 295467 Total RIPE prefixes after maximum aggregation: 146242 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 300347 Unique aggregates announced from the RIPE address blocks: 196062 RIPE Region origin ASes present in the Internet Routing Table: 29619 RIPE Prefixes per ASN: 10.14 RIPE Region origin ASes announcing only one prefix: 12264 RIPE Region transit ASes present in the Internet Routing Table: 4119 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 206 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13645 Number of RIPE addresses announced to Internet: 749627136 Equivalent to 44 /8s, 174 /16s and 103 /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: 130064 Total LACNIC prefixes after maximum aggregation: 31351 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 124539 Unique aggregates announced from the LACNIC address blocks: 51023 LACNIC Region origin ASes present in the Internet Routing Table: 11468 LACNIC Prefixes per ASN: 10.86 LACNIC Region origin ASes announcing only one prefix: 2798 LACNIC Region transit ASes present in the Internet Routing Table: 2633 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9547 Number of LACNIC addresses announced to Internet: 168380160 Equivalent to 10 /8s, 9 /16s and 71 /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: 37699 Total AfriNIC prefixes after maximum aggregation: 7100 AfriNIC Deaggregation factor: 5.31 Prefixes being announced from the AfriNIC address blocks: 55095 Unique aggregates announced from the AfriNIC address blocks: 19673 AfriNIC Region origin ASes present in the Internet Routing Table: 2052 AfriNIC Prefixes per ASN: 26.85 AfriNIC Region origin ASes announcing only one prefix: 740 AfriNIC Region transit ASes present in the Internet Routing Table: 381 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 85 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1418 Number of AfriNIC addresses announced to Internet: 103924224 Equivalent to 6 /8s, 49 /16s and 194 /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 14108 8737 120 CHINAMOBILE-CN - China Mobile Communicati 7545 5835 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5057 558 341 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4644 347 24 FPT-VN - FPT Telecom Company, VN 7552 4073 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3760 1044 63 telkomnet-as-ap - PT Telekomunikasi Indon 17561 3756 236 607 LCS-AS-AP - LARUS Limited, HK 56046 3586 888 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3396 1868 98 VNPT-AS-VN - VNPT Corp, VN 24560 2676 703 734 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 15620 41521 5630 AMAZON-02 - Amazon.com, Inc., US 22773 4803 3175 371 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4616 306 1124 CABLEONE - CABLE ONE, INC., US 7155 3989 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3725 1305 74 SHAW - Shaw Communications, CA 396982 3450 4878 540 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3189 238 1118 AS-COLOCROSSING - HostPapa, US 749 3135 54727 2386 DNIC-AS-00749 - United States Department 7029 2714 2553 879 WINDSTREAM - Windstream Communications LL 30036 2551 357 551 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 7015 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4172 375 2553 M247 - M247 Europe SRL, RO 20940 3807 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3473 249 2616 CDNEXT - Datacamp Limited, GB 12389 3124 2330 870 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2549 151 25 KCELL-AS - Kcell JSC, KZ 34984 2487 367 585 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1862 116 899 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1711 1852 14 TE-AS - IDDQD-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 12925 3286 618 AS8151 - UNINET, MX 10620 3442 451 1105 AS10620 - Telmex Colombia S.A., CO 13999 2280 499 332 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1898 369 65 AS11830 - Instituto Costarricense de Elec 11664 1492 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1372 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1211 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1097 70 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1052 2384 95 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 1987 601 34 Vodafone Data - Vodafone Data, EG 36992 1930 1543 333 ETISALAT MISR - ETISALAT MISR, EG 36903 1350 587 104 Office National des Postes et Telecommuni 24863 1320 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1274 523 48 Vodafone Data - Vodafone Data, EG 37069 1112 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 584 54 195 Africa on Cloud - Africa on Cloud, ZA 15399 559 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 547 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 15620 41521 5630 AMAZON-02 - Amazon.com, Inc., US 9808 14108 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 12925 3286 618 AS8151 - UNINET, MX 12479 7015 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5835 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5057 558 341 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4803 3175 371 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4644 347 24 FPT-VN - FPT Telecom Company, VN 11492 4616 306 1124 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 14108 13988 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12925 12307 AS8151 - UNINET, MX 12479 7015 6865 UNI2-AS - Orange Espagne SA, ES 7545 5835 5385 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5057 4716 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4644 4620 FPT-VN - FPT Telecom Company, VN 22773 4803 4432 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4073 4049 VIETEL-AS-AP - Viettel Group, VN 7155 3989 3878 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 394928 UNALLOCATED 8.2.70.0/24 6461 ZAYO-6461 - Zayo Bandwi 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 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 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 /13:584 /14:1184 /15:2122 /16:13701 /17:8243 /18:13198 /19:25445 /20:45599 /21:53409 /22:113358 /23:109772 /24:673617 /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 7117 12925 AS8151 - UNINET, MX 12479 5942 7015 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 11492 3510 4616 CABLEONE - CABLE ONE, INC., US 6327 3506 3725 SHAW - Shaw Communications, CA 22773 3057 4803 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2956 15620 AMAZON-02 - Amazon.com, Inc., US 7155 2943 3989 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2246 3442 AS10620 - Telmex Colombia S.A., CO 30036 2206 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) ---------------------------------------------- 1:2600 2:2820 3:1026 4:5 5:5331 6:206 7:6 8:1369 9:94 11:172 12:1101 13:802 14:2744 15:484 16:257 17:454 18:944 20:601 21:4 22:188 23:8528 24:2785 25:2 27:2863 28:5 29:19 31:3844 32:36 34:94 35:290 36:4877 37:4452 38:10152 39:1375 40:421 41:4601 42:2221 43:3377 44:477 45:20132 46:4965 47:475 48:168 49:2389 50:2014 51:787 52:1372 54:301 55:1236 56:11 57:325 58:2424 59:1360 60:1214 61:3215 62:3163 63:1746 64:6527 65:2150 66:6183 67:3325 68:1288 69:4058 70:1041 71:603 72:3257 74:3044 75:1597 76:593 77:2930 78:2110 79:2102 80:2363 81:2277 82:4254 83:1479 84:2156 85:3858 86:1104 87:2764 88:1319 89:4813 90:769 91:8478 92:2742 93:3039 94:4478 95:4722 96:1451 97:310 98:930 99:968 100:73 101:1597 102:4738 103:33127 104:5647 105:832 106:911 107:2975 108:1334 109:3912 110:2284 111:4187 112:3135 113:1951 114:2508 115:2313 116:2106 117:3686 118:3045 119:2098 120:2805 121:1659 122:3035 123:2217 124:1726 125:3024 126:156 128:1565 129:964 130:1706 131:2535 132:885 133:491 134:1764 135:646 136:1556 137:1384 138:3409 139:1803 140:1866 141:1799 142:2612 143:2148 144:1870 145:699 146:2182 147:2303 148:2813 149:3593 150:1392 151:2968 152:2675 153:1936 154:9918 155:2377 156:4638 157:2522 158:1621 159:2897 160:3934 161:2037 162:4206 163:2675 164:2421 165:2784 166:1209 167:2367 168:4222 169:901 170:5624 171:1131 172:4928 173:3476 174:889 175:1394 176:4030 177:5228 178:4500 179:2497 180:3364 181:4654 182:4075 183:2871 184:2050 185:21921 186:6578 187:5552 188:4748 189:4689 190:9922 191:1776 192:11784 193:9623 194:7951 195:5896 196:3445 197:3146 198:6164 199:6087 200:8255 201:6685 202:10676 203:10686 204:4710 205:3723 206:4411 207:3926 208:4322 209:5406 210:4742 211:2719 212:5202 213:4135 214:1024 215:47 216:7315 217:3760 218:1876 219:419 220:2287 221:1381 222:942 223:3595 End of report