IPv4 R&E Routing Table Report 23:05 GMT Sun 24 Mar, 2024 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: 935288 Prefixes after maximum aggregation (per Origin AS): 357932 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 458187 Number of IPv4 prefixes with a valid ROA: 455007 Number of IPv4 prefixes with an invalid ROA: 1000 Number of IPv4 prefixes with no ROA: 479281 Total ASes present in the Internet Routing Table: 75343 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64712 Origin ASes announcing only one prefix: 26548 Transit ASes present in the Internet Routing Table: 10631 Transit-only ASes present in the Internet Routing Table: 489 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 56 Max AS path prepend of ASN (151354) 50 Prefixes from unregistered ASNs in the Routing Table: 1076 Number of instances of unregistered ASNs: 1078 Number of 32-bit ASNs allocated by the RIRs: 43902 Number of 32-bit ASNs visible in the Routing Table: 35997 Prefixes from 32-bit ASNs in the Routing Table: 182261 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 591 Number of addresses announced to Internet: 3014989056 Equivalent to 179 /8s, 181 /16s and 21 /24s Percentage of available address space announced: 81.4 Percentage of allocated address space announced: 81.4 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: 309112 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 246213 Total APNIC prefixes after maximum aggregation: 72288 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 238923 Unique aggregates announced from the APNIC address blocks: 99837 APNIC Region origin ASes present in the Internet Routing Table: 13941 APNIC Prefixes per ASN: 17.14 APNIC Region origin ASes announcing only one prefix: 4208 APNIC Region transit ASes present in the Internet Routing Table: 1858 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9378 Number of APNIC addresses announced to Internet: 760206848 Equivalent to 45 /8s, 79 /16s and 214 /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: 273026 Total ARIN prefixes after maximum aggregation: 123801 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277671 Unique aggregates announced from the ARIN address blocks: 132536 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.55 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1913 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4857 Number of ARIN addresses announced to Internet: 1256898048 Equivalent to 74 /8s, 234 /16s and 190 /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, 393216-401308 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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 262958 Total RIPE prefixes after maximum aggregation: 126218 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 257977 Unique aggregates announced from the RIPE address blocks: 162757 RIPE Region origin ASes present in the Internet Routing Table: 28560 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12113 RIPE Region transit ASes present in the Internet Routing Table: 3955 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11665 Number of RIPE addresses announced to Internet: 714780416 Equivalent to 42 /8s, 154 /16s and 175 /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, 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: 121342 Total LACNIC prefixes after maximum aggregation: 28790 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119734 Unique aggregates announced from the LACNIC address blocks: 49577 LACNIC Region origin ASes present in the Internet Routing Table: 11054 LACNIC Prefixes per ASN: 10.83 LACNIC Region origin ASes announcing only one prefix: 2620 LACNIC Region transit ASes present in the Internet Routing Table: 2385 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8912 Number of LACNIC addresses announced to Internet: 177126656 Equivalent to 10 /8s, 142 /16s and 189 /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: 30673 Total AfriNIC prefixes after maximum aggregation: 6124 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 40392 Unique aggregates announced from the AfriNIC address blocks: 13007 AfriNIC Region origin ASes present in the Internet Routing Table: 1814 AfriNIC Prefixes per ASN: 22.27 AfriNIC Region origin ASes announcing only one prefix: 650 AfriNIC Region transit ASes present in the Internet Routing Table: 355 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 30 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1185 Number of AfriNIC addresses announced to Internet: 105664768 Equivalent to 6 /8s, 76 /16s and 81 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9849 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4588 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3854 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3607 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3523 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3290 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2764 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2106 431 198 TATACOMM-AS TATA Communications formerl 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 9711 11352 3424 AMAZON-02, US 11492 4593 305 622 CABLEONE, US 7155 4180 288 96 VIASAT-SP-BACKBONE, US 6327 3603 1320 75 SHAW, CA 22773 3597 3060 292 ASN-CXA-ALL-CCI-22773-RDC, US 174 3356 6650 688 COGENT-174, US 749 3191 54916 2443 DNIC-AS-00749, US 16625 3141 1346 2242 AKAMAI-AS, US 367 2911 3628 1381 DNIC-ASBLK-00306-00371, US 396982 2762 3641 411 GOOGLE-CLOUD-PLATFORM, 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 7701 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3843 3395 125 AKAMAI-ASN1, NL 9009 3265 283 1596 M247, RO 12389 2913 2304 906 ROSTELECOM-AS, RU 8551 2651 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1526 1852 14 TE-AS TE-AS, EG 44477 1498 98 710 STARK-INDUSTRIES, 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 12354 3321 494 UNINET, MX 10620 3525 496 892 Telmex Colombia S.A., CO 13999 2513 342 658 Mega Cable, S.A. de C.V., MX 11830 2001 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1148 179 424 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 1069 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 1549 545 28 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1367 1519 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1203 76 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 521 56 54 WANANCHI-, KE 36914 477 82 3 KENET-AS, KE 24757 427 73 5 EthioNet-AS, ET 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 12354 3321 494 UNINET, MX 9808 9849 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9711 11352 3424 AMAZON-02, US 12479 7701 1714 147 UNI2-AS, ES 7545 5655 777 674 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4593 305 622 CABLEONE, US 18403 4588 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4180 288 96 VIASAT-SP-BACKBONE, US 7552 3854 1330 20 VIETEL-AS-AP Viettel Group, VN 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 9849 9788 CHINAMOBILE-CN China Mobile Communications Grou 12479 7701 7554 UNI2-AS, ES 16509 9711 6287 AMAZON-02, US 7545 5655 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4588 4563 FPT-AS-AP FPT Telecom Company, VN 7155 4180 4084 VIASAT-SP-BACKBONE, US 11492 4593 3971 CABLEONE, US 7552 3854 3834 VIETEL-AS-AP Viettel Group, VN 20940 3843 3718 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 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.0.192.0/22 Origin: 138415 HENGDA-HK HENGDA NETWORK LIMITED, HK 27.0.192.0/22 Transit: 51847 NEAROUTE, HK 27.0.192.0/24 Origin: 138195 MOACKCOLTD-AS-AP MOACK.Co.LTD, KR 27.0.192.0/24 Transit: 6939 HURRICANE, 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 /9:13 /10:36 /11:93 /12:298 /13:577 /14:1191 /15:2062 /16:13236 /17:8123 /18:13568 /19:24513 /20:43119 /21:50920 /22:110026 /23:98149 /24:569340 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6815 7701 UNI2-AS, ES 8151 6364 12354 UNINET, MX 11492 3506 4593 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3400 3603 SHAW, CA 7155 3124 4180 VIASAT-SP-BACKBONE, US 22773 2643 3597 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2147 2491 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2131 3525 Telmex Colombia S.A., CO 8551 2127 2651 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2270 2:1470 3:318 4:6 5:4519 6:162 7:6 8:1498 9:1 11:172 12:1463 13:374 14:2363 15:318 16:210 17:367 18:750 20:355 21:4 22:188 23:6609 24:2630 25:2 27:2618 29:19 31:2627 32:46 34:61 35:123 36:2240 37:4492 38:7110 39:894 40:125 41:4074 42:2205 43:2323 44:315 45:16875 46:4383 47:297 49:1907 50:1895 51:573 52:1578 54:306 55:962 56:5 57:157 58:1977 59:1125 60:1026 61:2609 62:2701 63:1906 64:5536 65:2319 66:4687 67:3063 68:1334 69:4073 70:1196 71:574 72:2897 74:2564 75:1550 76:628 77:2420 78:1841 79:2481 80:2161 81:1935 82:1512 83:1284 84:1640 85:3079 86:827 87:2011 88:1237 89:4042 90:686 91:8026 92:2200 93:2643 94:3649 95:4149 96:1301 97:312 98:1036 99:743 100:92 101:1163 102:3067 103:32268 104:4793 105:634 106:930 107:2756 108:1107 109:4061 110:2134 111:3206 112:2062 113:1764 114:1773 115:1996 116:1869 117:2618 118:2839 119:1957 120:1787 121:1271 122:2683 123:2194 124:1604 125:2831 126:32 128:1419 129:911 130:1084 131:1823 132:797 133:410 134:1731 135:314 136:939 137:1029 138:2806 139:1527 140:1374 141:1355 142:1573 143:1487 144:1004 145:345 146:2015 147:1723 148:2489 149:2574 150:1033 151:1336 152:1969 153:523 154:5959 155:1378 156:2232 157:1635 158:1078 159:2255 160:2598 161:1635 162:3591 163:1713 164:1624 165:2123 166:1060 167:1762 168:3911 169:787 170:4696 171:1001 172:3820 173:3038 174:904 175:1199 176:3667 177:4657 178:3581 179:2233 180:2330 181:3678 182:3362 183:2037 184:2263 185:20609 186:4938 187:4512 188:4049 189:4085 190:9324 191:1607 192:10967 193:9041 194:7447 195:5242 196:3165 197:2382 198:5893 199:7500 200:7976 201:6317 202:10191 203:10092 204:4538 205:3713 206:4432 207:3364 208:4120 209:4995 210:4391 211:2484 212:4279 213:3378 214:1086 215:50 216:6757 217:2815 218:1312 219:405 220:1820 221:1029 222:694 223:2208 End of report