IPv4 R&E Routing Table Report 23:05 GMT Wed 15 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: 967572 Prefixes after maximum aggregation (per Origin AS): 369903 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 469786 Number of IPv4 prefixes with a valid ROA: 521522 Number of IPv4 prefixes with an invalid ROA: 1287 Number of IPv4 prefixes with no ROA: 444763 Total ASes present in the Internet Routing Table: 76359 Prefixes per ASN: 12.67 Origin-only ASes present in the Internet Routing Table: 65511 Origin ASes announcing only one prefix: 26845 Transit ASes present in the Internet Routing Table: 10848 Transit-only ASes present in the Internet Routing Table: 521 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: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1057 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 46056 Number of 32-bit ASNs visible in the Routing Table: 37595 Prefixes from 32-bit ASNs in the Routing Table: 196852 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: 502 Number of addresses announced to Internet: 3118472192 Equivalent to 185 /8s, 224 /16s and 28 /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: 316218 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254586 Total APNIC prefixes after maximum aggregation: 76066 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246341 Unique aggregates announced from the APNIC address blocks: 102313 APNIC Region origin ASes present in the Internet Routing Table: 14412 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4408 APNIC Region transit ASes present in the Internet Routing Table: 1928 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 47 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9933 Number of APNIC addresses announced to Internet: 756977664 Equivalent to 45 /8s, 30 /16s and 144 /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: 284679 Total ARIN prefixes after maximum aggregation: 126129 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286488 Unique aggregates announced from the ARIN address blocks: 132540 ARIN Region origin ASes present in the Internet Routing Table: 19165 ARIN Prefixes per ASN: 14.95 ARIN Region origin ASes announcing only one prefix: 7004 ARIN Region transit ASes present in the Internet Routing Table: 1919 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: 5097 Number of ARIN addresses announced to Internet: 1346512128 Equivalent to 80 /8s, 66 /16s and 37 /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: 269888 Total RIPE prefixes after maximum aggregation: 131046 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266810 Unique aggregates announced from the RIPE address blocks: 170519 RIPE Region origin ASes present in the Internet Routing Table: 28812 RIPE Prefixes per ASN: 9.26 RIPE Region origin ASes announcing only one prefix: 12091 RIPE Region transit ASes present in the Internet Routing Table: 3949 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: 732949248 Equivalent to 43 /8s, 175 /16s and 235 /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: 123069 Total LACNIC prefixes after maximum aggregation: 29336 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 120480 Unique aggregates announced from the LACNIC address blocks: 48820 LACNIC Region origin ASes present in the Internet Routing Table: 11167 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2648 LACNIC Region transit ASes present in the Internet Routing Table: 2502 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: 9106 Number of LACNIC addresses announced to Internet: 177463808 Equivalent to 10 /8s, 147 /16s and 226 /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: 34293 Total AfriNIC prefixes after maximum aggregation: 6663 AfriNIC Deaggregation factor: 5.15 Prefixes being announced from the AfriNIC address blocks: 46951 Unique aggregates announced from the AfriNIC address blocks: 15170 AfriNIC Region origin ASes present in the Internet Routing Table: 1905 AfriNIC Prefixes per ASN: 24.65 AfriNIC Region origin ASes announcing only one prefix: 694 AfriNIC Region transit ASes present in the Internet Routing Table: 363 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1262 Number of AfriNIC addresses announced to Internet: 104308736 Equivalent to 6 /8s, 55 /16s and 160 /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 10288 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6199 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4352 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4092 525 275 BBIL-AP BHARTI Airtel Ltd., IN 7552 3911 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 2822 846 546 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 12580 38897 3294 AMAZON-02, US 11492 4692 312 555 CABLEONE, US 7155 4176 287 86 VIASAT-SP-BACKBONE, US 174 4169 8763 881 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 2874 1237 2125 AKAMAI-AS, US 30036 2575 359 268 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 7649 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3908 3395 125 AKAMAI-ASN1, NL 9009 3736 321 1898 M247, RO 12389 2975 2300 886 ROSTELECOM-AS, RU 34984 2367 360 578 TELLCOM-AS, TR 212238 1893 135 1398 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 11618 3227 605 UNINET, MX 10620 3538 491 953 Telmex Colombia S.A., CO 13999 2532 538 368 Mega Cable, S.A. de C.V., MX 11830 1995 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 22884 1075 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6147 1050 371 22 Telefonica del Peru S.A.A., PE 26615 1003 2503 53 TIM SA, 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 1672 601 30 RAYA-AS, EG 24863 1648 389 18 LINKdotNET-AS, EG 29571 1541 97 110 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1001 521 42 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 832 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 541 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 12580 38897 3294 AMAZON-02, US 8151 11618 3227 605 UNINET, MX 9808 10288 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7649 1709 143 UNI2-AS, ES 7545 6199 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 555 CABLEONE, US 18403 4352 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4176 287 86 VIASAT-SP-BACKBONE, US 174 4169 8763 881 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 11618 11013 UNINET, MX 9808 10288 10201 CHINAMOBILE-CN China Mobile Communications Grou 12479 7649 7506 UNI2-AS, ES 7545 6199 5535 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4352 4329 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4137 CABLEONE, US 7155 4176 4090 VIASAT-SP-BACKBONE, US 7552 3911 3886 VIETEL-AS-AP Viettel Group, VN 9498 4092 3817 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 23.132.84.0/24 Origin: 7018 ATT-INTERNET4, US 23.132.84.0/24 Transit: 6453 AS6453, 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 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 /13:588 /14:1219 /15:2148 /16:13949 /17:8206 /18:13619 /19:24423 /20:43692 /21:51741 /22:111745 /23:100065 /24:595699 /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 6613 7649 UNI2-AS, ES 8151 5812 11618 UNINET, MX 11492 3554 4692 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 2250 12580 AMAZON-02, US 30036 2236 2575 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2178 3538 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) ---------------------------------------------- 1:2297 2:1552 3:547 4:9 5:4503 6:165 7:6 8:1550 9:1 11:172 12:1387 13:353 14:2489 15:334 16:270 17:359 18:904 20:449 21:4 22:188 23:7183 24:2731 25:2 27:2659 29:19 31:3070 32:37 34:73 35:182 36:2397 37:4484 38:9027 39:880 40:154 41:4166 42:1989 43:2502 44:343 45:18066 46:4943 47:292 49:2003 50:1863 51:587 52:1571 54:307 55:1027 56:8 57:234 58:2210 59:1177 60:1160 61:2840 62:2917 63:1829 64:5399 65:2200 66:4610 67:3007 68:1168 69:3989 70:1104 71:600 72:2853 74:2780 75:1638 76:632 77:2595 78:1845 79:1703 80:2203 81:2046 82:1845 83:1414 84:1793 85:3268 86:986 87:2174 88:1272 89:4332 90:752 91:8304 92:2755 93:2867 94:3831 95:4158 96:1235 97:309 98:981 99:737 100:71 101:1371 102:3501 103:32336 104:4572 105:743 106:1012 107:2595 108:1183 109:4062 110:2227 111:3371 112:2040 113:1794 114:1935 115:2161 116:2022 117:2756 118:2874 119:1946 120:1861 121:1351 122:2727 123:2161 124:1589 125:2863 126:62 128:1571 129:937 130:1240 131:1858 132:802 133:450 134:1511 135:325 136:1286 137:1097 138:2882 139:1558 140:1508 141:1455 142:1820 143:1591 144:1036 145:466 146:2124 147:2037 148:2590 149:2839 150:1201 151:1601 152:2111 153:499 154:7870 155:1541 156:3393 157:1865 158:1252 159:2425 160:3485 161:1790 162:3633 163:1768 164:1684 165:2154 166:1334 167:1869 168:4059 169:781 170:5073 171:1000 172:3992 173:3168 174:915 175:1277 176:3586 177:4813 178:3731 179:2227 180:2520 181:3961 182:3359 183:2077 184:2263 185:21330 186:5078 187:4230 188:4224 189:4096 190:9567 191:1535 192:11204 193:9345 194:7683 195:5422 196:3190 197:3584 198:6008 199:8280 200:8020 201:6297 202:10295 203:10501 204:4540 205:3642 206:4613 207:3487 208:4197 209:5096 210:4535 211:2516 212:4511 213:3728 214:1048 215:42 216:6580 217:3080 218:1334 219:376 220:2107 221:1051 222:720 223:2305 End of report