IPv4 R&E Routing Table Report 23:05 GMT Sun 19 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: 968835 Prefixes after maximum aggregation (per Origin AS): 370221 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 472148 Number of IPv4 prefixes with a valid ROA: 521684 Number of IPv4 prefixes with an invalid ROA: 1066 Number of IPv4 prefixes with no ROA: 446085 Total ASes present in the Internet Routing Table: 76376 Prefixes per ASN: 12.69 Origin-only ASes present in the Internet Routing Table: 65536 Origin ASes announcing only one prefix: 26842 Transit ASes present in the Internet Routing Table: 10840 Transit-only ASes present in the Internet Routing Table: 516 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 102 Max AS path prepend of ASN ( 37447) 96 Prefixes from unregistered ASNs in the Routing Table: 1056 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 46116 Number of 32-bit ASNs visible in the Routing Table: 37617 Prefixes from 32-bit ASNs in the Routing Table: 197602 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: 506 Number of addresses announced to Internet: 3118273536 Equivalent to 185 /8s, 221 /16s and 20 /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: 316811 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254590 Total APNIC prefixes after maximum aggregation: 76087 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246479 Unique aggregates announced from the APNIC address blocks: 102536 APNIC Region origin ASes present in the Internet Routing Table: 14423 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4413 APNIC Region transit ASes present in the Internet Routing Table: 1934 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9942 Number of APNIC addresses announced to Internet: 757037056 Equivalent to 45 /8s, 31 /16s and 120 /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: 285150 Total ARIN prefixes after maximum aggregation: 126658 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 286788 Unique aggregates announced from the ARIN address blocks: 134334 ARIN Region origin ASes present in the Internet Routing Table: 19163 ARIN Prefixes per ASN: 14.97 ARIN Region origin ASes announcing only one prefix: 7012 ARIN Region transit ASes present in the Internet Routing Table: 1921 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5104 Number of ARIN addresses announced to Internet: 1346167040 Equivalent to 80 /8s, 60 /16s and 225 /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: 270111 Total RIPE prefixes after maximum aggregation: 131147 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 267158 Unique aggregates announced from the RIPE address blocks: 170738 RIPE Region origin ASes present in the Internet Routing Table: 28815 RIPE Prefixes per ASN: 9.27 RIPE Region origin ASes announcing only one prefix: 12076 RIPE Region transit ASes present in the Internet Routing Table: 3940 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12197 Number of RIPE addresses announced to Internet: 733049600 Equivalent to 43 /8s, 177 /16s and 115 /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: 123577 Total LACNIC prefixes after maximum aggregation: 29006 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120987 Unique aggregates announced from the LACNIC address blocks: 48830 LACNIC Region origin ASes present in the Internet Routing Table: 11179 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2652 LACNIC Region transit ASes present in the Internet Routing Table: 2503 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9112 Number of LACNIC addresses announced to Internet: 177470720 Equivalent to 10 /8s, 147 /16s and 253 /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: 34351 Total AfriNIC prefixes after maximum aggregation: 6661 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 46917 Unique aggregates announced from the AfriNIC address blocks: 15292 AfriNIC Region origin ASes present in the Internet Routing Table: 1904 AfriNIC Prefixes per ASN: 24.64 AfriNIC Region origin ASes announcing only one prefix: 689 AfriNIC Region transit ASes present in the Internet Routing Table: 366 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 102 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1262 Number of AfriNIC addresses announced to Internet: 104288256 Equivalent to 6 /8s, 55 /16s and 80 /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 10310 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6199 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4254 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4150 528 278 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2824 846 547 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2221 434 195 TATACOMM-AS TATA Communications formerly 45090 2207 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 12577 38855 3694 AMAZON-02, US 11492 4696 312 551 CABLEONE, US 7155 4176 287 86 VIASAT-SP-BACKBONE, US 174 4171 8762 882 COGENT-174, US 6327 3614 1320 81 SHAW, CA 22773 3382 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 396982 2899 3657 442 GOOGLE-CLOUD-PLATFORM, US 16625 2868 1233 2128 AKAMAI-AS, US 30036 2575 359 282 MEDIACOM-ENTERPRISE-BUSINESS, 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 7648 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3911 3395 125 AKAMAI-ASN1, NL 9009 3733 320 1896 M247, RO 12389 2975 2300 886 ROSTELECOM-AS, RU 34984 2369 361 578 TELLCOM-AS, TR 212238 1895 135 1400 CDNEXT, GB 8452 1616 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1498 99 751 CLOUVIDER Clouvider - Global ASN, GB 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 11621 3228 603 UNINET, MX 10620 3539 492 954 Telmex Colombia S.A., CO 13999 2535 538 368 Mega Cable, S.A. de C.V., MX 11830 1969 369 64 Instituto Costarricense de Electricidad y 28573 1335 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1170 374 163 Axtel, S.A.B. de C.V., MX 11664 1151 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1111 371 22 Telefonica del Peru S.A.A., PE 22884 1075 98 370 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 24835 1683 601 30 RAYA-AS, EG 24863 1649 389 19 LINKdotNET-AS, EG 29571 1542 97 105 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1018 523 45 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 832 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 539 82 3 KENET-AS, 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 16509 12577 38855 3694 AMAZON-02, US 8151 11621 3228 603 UNINET, MX 9808 10310 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7648 1709 143 UNI2-AS, ES 7545 6199 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4696 312 551 CABLEONE, US 18403 4254 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4176 287 86 VIASAT-SP-BACKBONE, US 174 4171 8762 882 COGENT-174, 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 8151 11621 11018 UNINET, MX 9808 10310 10223 CHINAMOBILE-CN China Mobile Communications Grou 12479 7648 7505 UNI2-AS, ES 7545 6199 5535 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4254 4231 FPT-AS-AP FPT Telecom Company, VN 11492 4696 4145 CABLEONE, US 7155 4176 4090 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 9498 4150 3872 BBIL-AP BHARTI Airtel Ltd., IN 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 23.140.176.0/24 Origin: 40676 AS40676, US 23.140.176.0/24 Transit: 7922 COMCAST-7922, 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 /8:16 /9:16 /10:42 /11:93 /12:311 /13:587 /14:1218 /15:2145 /16:13939 /17:8200 /18:13618 /19:24452 /20:43693 /21:51771 /22:111815 /23:100389 /24:596530 /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 12479 6612 7648 UNI2-AS, ES 8151 5828 11621 UNINET, MX 11492 3555 4696 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3410 3614 SHAW, CA 7155 3124 4176 VIASAT-SP-BACKBONE, US 22773 2518 3382 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2248 12577 AMAZON-02, US 30036 2236 2575 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2179 3539 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2292 2:1553 3:547 4:9 5:4495 6:165 7:6 8:1549 9:1 11:172 12:1387 13:353 14:2494 15:335 16:269 17:359 18:904 20:450 21:4 22:188 23:7206 24:2732 25:2 27:2717 29:19 31:3098 32:37 34:73 35:184 36:2398 37:4500 38:9057 39:894 40:150 41:4169 42:1948 43:2511 44:345 45:18108 46:4950 47:293 49:2002 50:1859 51:587 52:1571 54:307 55:1024 56:8 57:233 58:2208 59:1183 60:1160 61:2841 62:2923 63:1828 64:5409 65:2202 66:4603 67:3012 68:1165 69:3991 70:1102 71:603 72:2855 74:2771 75:1638 76:631 77:2600 78:1844 79:1716 80:2207 81:2047 82:1882 83:1415 84:1786 85:3270 86:990 87:2180 88:1274 89:4340 90:751 91:8307 92:2745 93:2871 94:3839 95:4157 96:1268 97:309 98:981 99:737 100:71 101:1373 102:3508 103:32356 104:4587 105:756 106:1022 107:2603 108:1181 109:4055 110:2214 111:3347 112:2042 113:1790 114:1931 115:2181 116:2025 117:2756 118:2863 119:1949 120:1869 121:1343 122:2728 123:2153 124:1588 125:2860 126:62 128:1574 129:937 130:1243 131:1859 132:801 133:450 134:1507 135:325 136:1334 137:1098 138:2888 139:1566 140:1517 141:1601 142:1815 143:1599 144:1036 145:469 146:2125 147:2043 148:2590 149:2834 150:1203 151:1640 152:2082 153:499 154:7806 155:1541 156:3379 157:1868 158:1253 159:2422 160:3496 161:1791 162:3640 163:1776 164:1685 165:2146 166:1330 167:1860 168:4075 169:783 170:5066 171:1000 172:4001 173:3175 174:916 175:1279 176:3591 177:4912 178:3740 179:2219 180:2530 181:3944 182:3359 183:2062 184:2262 185:21343 186:5057 187:4321 188:4238 189:4093 190:9570 191:1561 192:11215 193:9339 194:7697 195:5444 196:3199 197:3583 198:6010 199:8288 200:8120 201:6290 202:10296 203:10509 204:4530 205:3637 206:4605 207:3489 208:4194 209:5096 210:4492 211:2512 212:4516 213:3734 214:1053 215:42 216:6570 217:3083 218:1334 219:376 220:2107 221:1051 222:720 223:2306 End of report