IPv4 R&E Routing Table Report 23:05 GMT Sun 24 Sep, 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: 923663 Prefixes after maximum aggregation (per Origin AS): 352106 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453150 Number of IPv4 prefixes with a valid ROA: 420895 Number of IPv4 prefixes with an invalid ROA: 1719 Number of IPv4 prefixes with no ROA: 501049 Total ASes present in the Internet Routing Table: 74657 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64218 Origin ASes announcing only one prefix: 26359 Transit ASes present in the Internet Routing Table: 10439 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 44 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 107 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 998 Number of instances of unregistered ASNs: 1000 Number of 32-bit ASNs allocated by the RIRs: 42689 Number of 32-bit ASNs visible in the Routing Table: 35074 Prefixes from 32-bit ASNs in the Routing Table: 174987 Number of bogon 32-bit ASNs visible in the Routing Table: 71 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 526 Number of addresses announced to Internet: 3053710592 Equivalent to 182 /8s, 3 /16s and 237 /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: 99.5 Total number of prefixes smaller than registry allocations: 308300 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241635 Total APNIC prefixes after maximum aggregation: 70219 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235290 Unique aggregates announced from the APNIC address blocks: 98849 APNIC Region origin ASes present in the Internet Routing Table: 13562 APNIC Prefixes per ASN: 17.35 APNIC Region origin ASes announcing only one prefix: 4039 APNIC Region transit ASes present in the Internet Routing Table: 1811 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8954 Number of APNIC addresses announced to Internet: 772261120 Equivalent to 46 /8s, 7 /16s and 197 /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: 271303 Total ARIN prefixes after maximum aggregation: 123359 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274599 Unique aggregates announced from the ARIN address blocks: 131689 ARIN Region origin ASes present in the Internet Routing Table: 19046 ARIN Prefixes per ASN: 14.42 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1880 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4816 Number of ARIN addresses announced to Internet: 1278123264 Equivalent to 76 /8s, 46 /16s and 157 /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: 261399 Total RIPE prefixes after maximum aggregation: 123499 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256810 Unique aggregates announced from the RIPE address blocks: 160008 RIPE Region origin ASes present in the Internet Routing Table: 28402 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12048 RIPE Region transit ASes present in the Internet Routing Table: 3902 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11332 Number of RIPE addresses announced to Internet: 716702208 Equivalent to 42 /8s, 184 /16s and 2 /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: 118314 Total LACNIC prefixes after maximum aggregation: 28351 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117269 Unique aggregates announced from the LACNIC address blocks: 49301 LACNIC Region origin ASes present in the Internet Routing Table: 11017 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2690 LACNIC Region transit ASes present in the Internet Routing Table: 2336 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8836 Number of LACNIC addresses announced to Internet: 178431488 Equivalent to 10 /8s, 162 /16s and 166 /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: 30014 Total AfriNIC prefixes after maximum aggregation: 5980 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39169 Unique aggregates announced from the AfriNIC address blocks: 12859 AfriNIC Region origin ASes present in the Internet Routing Table: 1792 AfriNIC Prefixes per ASN: 21.86 AfriNIC Region origin ASes announcing only one prefix: 627 AfriNIC Region transit ASes present in the Internet Routing Table: 336 Average AfriNIC Region AS path length visible: 5.8 Max AfriNIC Region AS path length visible: 107 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1136 Number of AfriNIC addresses announced to Internet: 107769088 Equivalent to 6 /8s, 108 /16s and 109 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5726 785 689 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4295 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3743 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3592 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3321 1824 98 VNPT-AS-VN VNPT Corp, VN 9498 3155 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2516 849 387 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2185 442 201 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 9135 11002 3266 AMAZON-02, US 11492 4532 301 669 CABLEONE, US 7155 4177 288 98 VIASAT-SP-BACKBONE, US 6327 3541 1319 66 SHAW, CA 22773 3539 3039 302 ASN-CXA-ALL-CCI-22773-RDC, US 749 3151 54959 2403 DNIC-AS-00749, US 367 2991 3838 1431 DNIC-ASBLK-00306-00371, US 16625 2964 1408 2259 AKAMAI-AS, US 396982 2695 3597 392 GOOGLE-CLOUD-PLATFORM, US 30036 2499 358 377 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 7388 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4046 3398 152 AKAMAI-ASN1, NL 8551 3457 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2905 2296 913 ROSTELECOM-AS, RU 9009 2766 256 1419 M247, RO 34984 2332 362 592 TELLCOM-AS, TR 58224 1747 928 513 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1481 1852 16 TE-AS TE-AS, EG 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 11852 3368 602 UNINET, MX 10620 3542 506 852 Telmex Colombia S.A., CO 13999 2406 334 623 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1327 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1296 764 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1115 180 429 Techtel LMDS Comunicaciones Interactiva 6147 1112 369 22 Telefonica del Peru S.A.A., PE 26615 1034 2501 49 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 1606 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 55 49 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 416 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 11852 3368 602 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9135 11002 3266 AMAZON-02, US 12479 7388 1713 145 UNI2-AS, ES 7545 5726 785 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4532 301 669 CABLEONE, US 18403 4295 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 98 VIASAT-SP-BACKBONE, US 20940 4046 3398 152 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7388 7243 UNI2-AS, ES 16509 9135 5869 AMAZON-02, US 7545 5726 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4295 4270 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4079 VIASAT-SP-BACKBONE, US 20940 4046 3894 AKAMAI-ASN1, NL 11492 4532 3863 CABLEONE, US 7552 3743 3723 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 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, 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 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 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /11:101 /12:297 /13:575 /14:1195 /15:2096 /16:13444 /17:8193 /18:13725 /19:24824 /20:43201 /21:50900 /22:109677 /23:98694 /24:556664 /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 6475 7388 UNI2-AS, ES 8151 5872 11852 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3444 4532 CABLEONE, US 6327 3352 3541 SHAW, CA 7155 3123 4177 VIASAT-SP-BACKBONE, US 8551 2925 3457 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2589 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2106 3542 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) ---------------------------------------------- 1:2211 2:1422 3:265 4:5 5:4501 6:135 7:6 8:1502 9:1 11:172 12:1515 13:377 14:2320 15:303 16:192 17:368 18:651 20:286 21:4 22:188 23:6407 24:2499 25:2 27:2581 29:19 31:2530 32:74 34:26 35:114 36:2000 37:4517 38:5332 39:870 40:147 41:4015 42:2081 43:2272 44:322 45:16587 46:4278 47:370 49:1823 50:1881 51:598 52:1595 54:394 55:932 56:5 57:123 58:1796 59:1117 60:1001 61:2536 62:2672 63:1915 64:5624 65:2350 66:4915 67:3027 68:1337 69:4148 70:1191 71:663 72:2950 74:2613 75:1561 76:627 77:2296 78:1827 79:2987 80:2108 81:1815 82:1491 83:1293 84:1531 85:3061 86:765 87:2008 88:1168 89:3868 90:619 91:7803 92:2064 93:2611 94:3516 95:4021 96:1299 97:315 98:1078 99:735 100:90 101:1317 102:2874 103:32090 104:4719 105:576 106:887 107:2683 108:1126 109:4233 110:2125 111:3143 112:2175 113:1750 114:1683 115:1997 116:1887 117:2536 118:2701 119:1960 120:1776 121:1128 122:2613 123:2170 124:1570 125:2516 128:1420 129:913 130:1037 131:1965 132:855 133:408 134:1780 135:306 136:973 137:970 138:2629 139:1563 140:1174 141:1309 142:1503 143:1547 144:1000 145:351 146:1938 147:1599 148:2431 149:2263 150:875 151:1230 152:1980 153:522 154:5086 155:1386 156:1935 157:1345 158:1086 159:2244 160:2618 161:1592 162:3533 163:1601 164:1689 165:1862 166:1056 167:1738 168:3727 169:878 170:4634 171:921 172:3751 173:2963 174:982 175:1183 176:3767 177:4444 178:3529 179:2136 180:2488 181:3495 182:3319 183:1999 184:2282 185:20577 186:4705 187:4186 188:4157 189:3861 190:9230 191:1365 192:10967 193:8954 194:7292 195:5201 196:3148 197:2432 198:5896 199:6125 200:7843 201:6033 202:10197 203:10015 204:4541 205:3684 206:4318 207:3399 208:4135 209:4902 210:4232 211:2449 212:4265 213:3405 214:1109 215:57 216:6684 217:2765 218:1267 219:405 220:1800 221:981 222:662 223:2145 End of report