IPv4 R&E Routing Table Report 23:05 GMT Fri 17 Jan, 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: 600990 Prefixes after maximum aggregation (per Origin AS): 269884 Deaggregation factor: 2.23 Unique aggregates announced (without unneeded subnets): 354110 Number of IPv4 prefixes with a valid ROA: 317261 Number of IPv4 prefixes with an invalid ROA: 712 Number of IPv4 prefixes with no ROA: 283017 Total ASes present in the Internet Routing Table: 57167 Prefixes per ASN: 10.51 Origin-only ASes present in the Internet Routing Table: 48140 Origin ASes announcing only one prefix: 21511 Transit ASes present in the Internet Routing Table: 9027 Transit-only ASes present in the Internet Routing Table: 1858 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 548 Number of instances of unregistered ASNs: 553 Number of 32-bit ASNs allocated by the RIRs: 46084 Number of 32-bit ASNs visible in the Routing Table: 27514 Prefixes from 32-bit ASNs in the Routing Table: 118003 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 307 Number of addresses announced to Internet: 2160939008 Equivalent to 128 /8s, 205 /16s and 80 /24s Percentage of available address space announced: 58.4 Percentage of allocated address space announced: 58.4 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: 200853 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 154094 Total APNIC prefixes after maximum aggregation: 54659 APNIC Deaggregation factor: 2.82 Prefixes being announced from the APNIC address blocks: 148816 Unique aggregates announced from the APNIC address blocks: 77270 APNIC Region origin ASes present in the Internet Routing Table: 10513 APNIC Prefixes per ASN: 14.16 APNIC Region origin ASes announcing only one prefix: 3772 APNIC Region transit ASes present in the Internet Routing Table: 1609 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7217 Number of APNIC addresses announced to Internet: 440989440 Equivalent to 26 /8s, 72 /16s and 247 /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, 131072-153913 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: 175948 Total ARIN prefixes after maximum aggregation: 92333 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 176414 Unique aggregates announced from the ARIN address blocks: 102511 ARIN Region origin ASes present in the Internet Routing Table: 13949 ARIN Prefixes per ASN: 12.65 ARIN Region origin ASes announcing only one prefix: 5504 ARIN Region transit ASes present in the Internet Routing Table: 1579 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 20 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3564 Number of ARIN addresses announced to Internet: 1014235648 Equivalent to 60 /8s, 116 /16s and 2 /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: 165580 Total RIPE prefixes after maximum aggregation: 90878 RIPE Deaggregation factor: 1.82 Prefixes being announced from the RIPE address blocks: 164366 Unique aggregates announced from the RIPE address blocks: 120222 RIPE Region origin ASes present in the Internet Routing Table: 20701 RIPE Prefixes per ASN: 7.94 RIPE Region origin ASes announcing only one prefix: 9169 RIPE Region transit ASes present in the Internet Routing Table: 3294 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 8742 Number of RIPE addresses announced to Internet: 495147520 Equivalent to 29 /8s, 131 /16s and 90 /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: 81944 Total LACNIC prefixes after maximum aggregation: 25131 LACNIC Deaggregation factor: 3.26 Prefixes being announced from the LACNIC address blocks: 80458 Unique aggregates announced from the LACNIC address blocks: 41776 LACNIC Region origin ASes present in the Internet Routing Table: 8454 LACNIC Prefixes per ASN: 9.52 LACNIC Region origin ASes announcing only one prefix: 2518 LACNIC Region transit ASes present in the Internet Routing Table: 2015 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7050 Number of LACNIC addresses announced to Internet: 129375488 Equivalent to 7 /8s, 182 /16s and 29 /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: 22876 Total AfriNIC prefixes after maximum aggregation: 6480 AfriNIC Deaggregation factor: 3.53 Prefixes being announced from the AfriNIC address blocks: 30629 Unique aggregates announced from the AfriNIC address blocks: 12057 AfriNIC Region origin ASes present in the Internet Routing Table: 1435 AfriNIC Prefixes per ASN: 21.34 AfriNIC Region origin ASes announcing only one prefix: 548 AfriNIC Region transit ASes present in the Internet Routing Table: 311 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 941 Number of AfriNIC addresses announced to Internet: 81020672 Equivalent to 4 /8s, 212 /16s and 71 /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 10145 8753 86 CHINAMOBILE-CN China Mobile Communication 7545 4768 761 643 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4109 526 276 BBIL-AP BHARTI Airtel Ltd., IN 45899 2911 1863 126 VNPT-AS-VN VNPT Corp, VN 45090 2112 1437 75 TENCENT-NET-AP Shenzhen Tencent Computer 24560 2075 676 715 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 7713 2041 696 165 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 1628 804 172 CMNET-JIANGSU-AP China Mobile communicati 56041 1582 724 71 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1513 192 52 CMNET-HUNAN-AP China Mobile communication 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 8368 8476 3618 AMAZON-02, US 11492 3867 259 1271 CABLEONE, US 6327 3613 1320 81 SHAW, CA 22773 3379 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 2517 23070 1780 ATT-INTERNET4, US 30036 2468 359 283 MEDIACOM-ENTERPRISE-BUSINESS, US 367 2420 2925 1152 DNIC-ASBLK-00306-00371, US 11776 1889 257 217 ATLANTICBB-JOHNSTOWN, US 16625 1770 753 1469 AKAMAI-AS, 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 39891 4190 260 62 ALJAWWALSTC-AS, SA 20940 2591 3394 112 AKAMAI-ASN1, NL 34984 2102 291 988 TELLCOM-AS, TR 12479 1874 1282 886 UNI2-AS, ES 8452 1442 1852 14 TE-AS TE-AS, EG 62240 1418 94 727 CLOUVIDER Clouvider - Global ASN, GB 58224 1145 728 602 TCI, IR 49505 976 103 405 SELECTEL, RU 3257 950 2078 769 GTT-BACKBONE GTT, US 3215 880 4888 277 France Telecom - Orange, FR 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 10555 2872 1408 UNINET, MX 10620 2293 307 1368 Telmex Colombia S.A., CO 13999 1935 481 327 Mega Cable, S.A. de C.V., MX 28573 1326 2421 272 Claro NXT Telecomunicacoes Ltda, BR 3816 1316 770 219 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 987 370 33 Telefonica del Peru S.A.A., PE 11830 880 322 97 Instituto Costarricense de Electricidad y 11172 860 147 78 Alestra, S. de R.L. de C.V., MX 26615 717 606 411 TIM SA, BR 22884 691 71 439 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 36992 1255 1483 301 ETISALAT-MISR, EG 24835 1047 505 27 RAYA-AS, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 24863 834 388 13 LINKdotNET-AS, EG 36903 794 355 367 MT-MPLS, MA 37069 647 1077 15 MOBINIL, EG 29571 578 52 288 ORANGE-COTE-IVOIRE, CI 36914 517 40 201 KENET-AS, KE 36935 495 516 21 Vodafone-, EG 15399 470 49 29 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 8151 10555 2872 1408 UNINET, MX 9808 10145 8753 86 CHINAMOBILE-CN China Mobile Communication 16509 8368 8476 3618 AMAZON-02, US 7545 4768 761 643 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4190 260 62 ALJAWWALSTC-AS, SA 9498 4109 526 276 BBIL-AP BHARTI Airtel Ltd., IN 11492 3867 259 1271 CABLEONE, US 6327 3613 1320 81 SHAW, CA 22773 3379 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, 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 10145 10059 CHINAMOBILE-CN China Mobile Communications Grou 16509 8368 4750 AMAZON-02, US 39891 4190 4128 ALJAWWALSTC-AS, SA 7545 4768 4125 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4109 3833 BBIL-AP BHARTI Airtel Ltd., IN 6327 3613 3532 SHAW, CA 22773 3379 3196 ASN-CXA-ALL-CCI-22773-RDC, US 45899 2911 2785 VNPT-AS-VN VNPT Corp, VN 11492 3867 2596 CABLEONE, US 20940 2591 2479 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 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 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 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US 53966 UNALLOCATED 8.39.98.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 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 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 /8:15 /9:15 /10:33 /11:65 /12:178 /13:349 /14:738 /15:1343 /16:8515 /17:5168 /18:8711 /19:14963 /20:26330 /21:33539 /22:69752 /23:63818 /24:367458 /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 5571 10555 UNINET, MX 6327 3409 3613 SHAW, CA 39891 3013 4190 ALJAWWALSTC-AS, SA 11492 2992 3867 CABLEONE, US 22773 2517 3379 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2164 2468 MEDIACOM-ENTERPRISE-BUSINESS, US 34984 1548 2102 TELLCOM-AS, TR 16509 1521 8368 AMAZON-02, US 10620 1489 2293 Telmex Colombia S.A., CO 12479 1328 1874 UNI2-AS, ES Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:754 2:985 3:437 4:7 5:2939 6:156 7:5 8:934 9:1 11:171 12:735 13:285 14:1840 15:255 16:193 17:180 18:712 20:387 21:4 22:188 23:4765 24:1809 25:1 27:1631 29:19 31:1794 32:11 34:44 35:90 36:1695 37:2683 38:4264 39:754 40:82 41:2891 42:475 43:1566 44:226 45:11181 46:3263 47:129 49:955 50:1353 51:519 52:1182 54:259 55:1010 56:8 57:158 58:1076 59:681 60:809 61:1776 62:1863 63:1245 64:3208 65:1408 66:3101 67:1890 68:712 69:2774 70:554 71:393 72:1594 74:1657 75:551 76:450 77:1701 78:1280 79:1279 80:1256 81:1210 82:1075 83:755 84:1118 85:1862 86:617 87:959 88:855 89:2572 90:145 91:5144 92:1616 93:1931 94:2169 95:2798 96:957 97:228 98:610 99:124 100:37 101:924 102:2324 103:19864 104:2677 105:574 106:421 107:1819 108:714 109:2472 110:1282 111:2773 112:1131 113:822 114:691 115:1223 116:1118 117:1476 118:1326 119:1139 120:1516 121:636 122:1973 123:1338 124:959 125:2159 126:62 128:1144 129:659 130:817 131:1246 132:566 133:391 134:821 135:229 136:850 137:774 138:1739 139:747 140:819 141:1023 142:834 143:952 144:675 145:276 146:1223 147:1396 148:1346 149:1622 150:754 151:1142 152:1622 153:385 154:3896 155:990 156:2148 157:1110 158:703 159:1454 160:2024 161:1191 162:2063 163:855 164:1079 165:1333 166:1051 167:1089 168:2633 169:511 170:2806 171:397 172:1980 173:2396 174:595 175:753 176:2432 177:3203 178:2372 179:1380 180:1292 181:2478 182:2234 183:1449 184:902 185:13333 186:3111 187:2988 188:2277 189:3204 190:6401 191:905 192:7450 193:5860 194:4918 195:3392 196:2248 197:2537 198:3655 199:4708 200:5212 201:4248 202:6335 203:6110 204:2841 205:2212 206:2723 207:2214 208:2755 209:3231 210:2720 211:1428 212:2906 213:2250 214:455 215:28 216:4051 217:1891 218:880 219:229 220:1008 221:560 222:360 223:1535 End of report