IPv4 R&E Routing Table Report 23:05 GMT Fri 09 Jun, 2023 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: 918010 Prefixes after maximum aggregation (per Origin AS): 349037 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 450135 Number of IPv4 prefixes with a valid ROA: 406208 Number of IPv4 prefixes with an invalid ROA: 1734 Number of IPv4 prefixes with no ROA: 510068 Total ASes present in the Internet Routing Table: 74334 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63867 Origin ASes announcing only one prefix: 26282 Transit ASes present in the Internet Routing Table: 10467 Transit-only ASes present in the Internet Routing Table: 434 Paths with bogon ASNs present in the IPv4 Routing Table: 42 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1023 Number of instances of unregistered ASNs: 1033 Number of 32-bit ASNs allocated by the RIRs: 42059 Number of 32-bit ASNs visible in the Routing Table: 34628 Prefixes from 32-bit ASNs in the Routing Table: 171794 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 569 Number of addresses announced to Internet: 3054756352 Equivalent to 182 /8s, 19 /16s and 226 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307548 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240062 Total APNIC prefixes after maximum aggregation: 68818 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234092 Unique aggregates announced from the APNIC address blocks: 98406 APNIC Region origin ASes present in the Internet Routing Table: 13369 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3947 APNIC Region transit ASes present in the Internet Routing Table: 1782 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8747 Number of APNIC addresses announced to Internet: 772935424 Equivalent to 46 /8s, 18 /16s and 15 /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: 269203 Total ARIN prefixes after maximum aggregation: 122667 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 271974 Unique aggregates announced from the ARIN address blocks: 130509 ARIN Region origin ASes present in the Internet Routing Table: 19091 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 7012 ARIN Region transit ASes present in the Internet Routing Table: 1904 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4804 Number of ARIN addresses announced to Internet: 1279783936 Equivalent to 76 /8s, 71 /16s and 244 /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: 259794 Total RIPE prefixes after maximum aggregation: 122679 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255736 Unique aggregates announced from the RIPE address blocks: 158920 RIPE Region origin ASes present in the Internet Routing Table: 28319 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12055 RIPE Region transit ASes present in the Internet Routing Table: 3963 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 62 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11196 Number of RIPE addresses announced to Internet: 717555968 Equivalent to 42 /8s, 197 /16s and 9 /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 196608-213403 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: 118368 Total LACNIC prefixes after maximum aggregation: 28317 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117523 Unique aggregates announced from the LACNIC address blocks: 49453 LACNIC Region origin ASes present in the Internet Routing Table: 10993 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2299 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8786 Number of LACNIC addresses announced to Internet: 176966144 Equivalent to 10 /8s, 140 /16s and 74 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 29560 Total AfriNIC prefixes after maximum aggregation: 5824 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38116 Unique aggregates announced from the AfriNIC address blocks: 12382 AfriNIC Region origin ASes present in the Internet Routing Table: 1746 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 609 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1095 Number of AfriNIC addresses announced to Internet: 107123456 Equivalent to 6 /8s, 98 /16s and 147 /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 9496 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5725 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4184 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3681 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3564 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3378 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3021 498 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2418 836 444 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 KIXS-AS-KR Korea Telecom, KR 4755 2187 442 198 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 8468 10828 3082 AMAZON-02, US 11492 4523 300 606 CABLEONE, US 7155 4102 284 76 VIASAT-SP-BACKBONE, US 22773 3566 3052 268 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3127 54969 2379 DNIC-AS-00749, US 16625 3105 1547 2341 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2450 24002 1538 ATT-INTERNET4, 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 7298 1706 140 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4080 3398 160 AKAMAI-ASN1, NL 8551 3453 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2893 2291 910 ROSTELECOM-AS, RU 9009 2667 247 1387 M247, RO 34984 2275 360 605 TELLCOM-AS, TR 6849 1976 307 17 UKRTELNET, UA 58224 1827 945 534 TCI, IR 61317 1676 112 1303 ASDETUK www.heficed.com, US 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 11411 3362 606 Uninet S.A. de C.V., MX 10620 3529 507 838 Telmex Colombia S.A., CO 13999 2336 351 625 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1320 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1296 763 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1025 2498 45 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 24863 1583 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1304 1517 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1036 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 480 32 1 MOVITEL, MZ 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 11411 3362 606 Uninet S.A. de C.V., MX 9808 9496 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8468 10828 3082 AMAZON-02, US 12479 7298 1706 140 UNI2-AS, ES 7545 5725 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4523 300 606 CABLEONE, US 18403 4184 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4102 284 76 VIASAT-SP-BACKBONE, US 20940 4080 3398 160 AKAMAI-ASN1, NL 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 9496 9459 CHINAMOBILE-CN China Mobile Communications Grou 12479 7298 7158 UNI2-AS, ES 16509 8468 5386 AMAZON-02, US 7545 5725 5034 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4184 4159 FPT-AS-AP FPT Telecom Company, VN 7155 4102 4026 VIASAT-SP-BACKBONE, US 20940 4080 3920 AKAMAI-ASN1, NL 11492 4523 3917 CABLEONE, US 7552 3681 3660 VIETEL-AS-AP Viettel Group, VN 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 LIGHTOWER, 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 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /10:38 /11:103 /12:301 /13:579 /14:1197 /15:2093 /16:13423 /17:8150 /18:13719 /19:24813 /20:42874 /21:50947 /22:109276 /23:97939 /24:552519 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6387 7298 UNI2-AS, ES 8151 5358 11411 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4523 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3087 4102 VIASAT-SP-BACKBONE, US 8551 2927 3453 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2637 3566 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2085 3529 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) ---------------------------------------------- 1:2145 2:1276 3:196 4:1 5:4542 6:132 7:6 8:1505 9:1 11:172 12:1532 13:385 14:2301 15:304 16:191 17:368 18:455 20:264 21:4 22:188 23:6290 24:2594 25:6 27:2503 29:19 31:2510 32:78 34:22 35:109 36:1975 37:4672 38:4782 39:846 40:151 41:3933 42:1987 43:2315 44:307 45:16483 46:4279 47:376 49:1747 50:1857 51:585 52:1593 54:393 55:864 56:8 57:118 58:1815 59:1052 60:985 61:2543 62:2667 63:1901 64:5663 65:2304 66:4986 67:3048 68:1344 69:4129 70:1202 71:672 72:2986 74:2615 75:1558 76:608 77:2398 78:1809 79:2962 80:2124 81:1786 82:1487 83:1261 84:1510 85:3007 86:761 87:2016 88:1166 89:3725 90:615 91:7755 92:2064 93:2617 94:3616 95:4053 96:1317 97:336 98:1130 99:744 100:88 101:1309 102:2760 103:31467 104:4589 105:503 106:951 107:2582 108:1051 109:4191 110:2099 111:3116 112:2034 113:1729 114:1658 115:1997 116:1890 117:2554 118:2614 119:1990 120:1796 121:1067 122:2580 123:2117 124:1574 125:2476 128:1401 129:1029 130:997 131:1975 132:847 133:420 134:1825 135:307 136:876 137:951 138:2561 139:1541 140:1259 141:1429 142:1448 143:1511 144:1110 145:345 146:1932 147:1591 148:2405 149:2248 150:881 151:1150 152:1929 153:490 154:4493 155:1423 156:1791 157:1316 158:1084 159:2222 160:2548 161:1552 162:3513 163:1527 164:1616 165:1828 166:1082 167:1719 168:3847 169:947 170:4600 171:901 172:3579 173:2965 174:1070 175:1173 176:3691 177:4625 178:3601 179:2175 180:2543 181:3482 182:3393 183:2079 184:2348 185:20343 186:4836 187:3968 188:4101 189:3675 190:9185 191:1467 192:10899 193:8900 194:7314 195:5156 196:3198 197:2381 198:5888 199:6099 200:7915 201:5922 202:10285 203:10272 204:4555 205:3685 206:4208 207:3399 208:4092 209:4866 210:4171 211:2436 212:4217 213:3622 214:1091 215:59 216:6664 217:2729 218:1276 219:410 220:1757 221:964 222:684 223:2150 End of report