IPv4 R&E Routing Table Report 23:05 GMT Mon 21 Nov, 2022 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: 899321 Prefixes after maximum aggregation (per Origin AS): 342672 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 442456 Number of IPv4 prefixes with a valid ROA: 362753 Number of IPv4 prefixes with an invalid ROA: 1624 Number of IPv4 prefixes with no ROA: 534944 Total ASes present in the Internet Routing Table: 73678 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 63316 Origin ASes announcing only one prefix: 26032 Transit ASes present in the Internet Routing Table: 10362 Transit-only ASes present in the Internet Routing Table: 419 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 954 Number of instances of unregistered ASNs: 956 Number of 32-bit ASNs allocated by the RIRs: 40677 Number of 32-bit ASNs visible in the Routing Table: 33671 Prefixes from 32-bit ASNs in the Routing Table: 163348 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 469 Number of addresses announced to Internet: 3062309376 Equivalent to 182 /8s, 135 /16s and 34 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 302298 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233060 Total APNIC prefixes after maximum aggregation: 67537 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227884 Unique aggregates announced from the APNIC address blocks: 97050 APNIC Region origin ASes present in the Internet Routing Table: 13027 APNIC Prefixes per ASN: 17.49 APNIC Region origin ASes announcing only one prefix: 3775 APNIC Region transit ASes present in the Internet Routing Table: 1756 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8337 Number of APNIC addresses announced to Internet: 773044992 Equivalent to 46 /8s, 19 /16s and 187 /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, 131072-151865 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: 266103 Total ARIN prefixes after maximum aggregation: 121112 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267735 Unique aggregates announced from the ARIN address blocks: 129346 ARIN Region origin ASes present in the Internet Routing Table: 19021 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 6988 ARIN Region transit ASes present in the Internet Routing Table: 1878 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4671 Number of ARIN addresses announced to Internet: 1289048832 Equivalent to 76 /8s, 213 /16s and 83 /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: 254056 Total RIPE prefixes after maximum aggregation: 119509 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250847 Unique aggregates announced from the RIPE address blocks: 154775 RIPE Region origin ASes present in the Internet Routing Table: 28141 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 11998 RIPE Region transit ASes present in the Internet Routing Table: 3974 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10881 Number of RIPE addresses announced to Internet: 715982592 Equivalent to 42 /8s, 173 /16s and 7 /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: 116851 Total LACNIC prefixes after maximum aggregation: 28124 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116215 Unique aggregates announced from the LACNIC address blocks: 48902 LACNIC Region origin ASes present in the Internet Routing Table: 10989 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2250 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8753 Number of LACNIC addresses announced to Internet: 175930624 Equivalent to 10 /8s, 124 /16s and 125 /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: 28297 Total AfriNIC prefixes after maximum aggregation: 5654 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 36171 Unique aggregates announced from the AfriNIC address blocks: 12000 AfriNIC Region origin ASes present in the Internet Routing Table: 1702 AfriNIC Prefixes per ASN: 21.25 AfriNIC Region origin ASes announcing only one prefix: 593 AfriNIC Region transit ASes present in the Internet Routing Table: 324 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1029 Number of AfriNIC addresses announced to Internet: 108026112 Equivalent to 6 /8s, 112 /16s and 89 /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 9118 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5947 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3623 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3526 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3386 1874 86 VNPT-AS-VN VNPT Corp, VN 9498 2540 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2294 11251 597 KIXS-AS-KR Korea Telecom, KR 24560 2293 849 419 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2160 440 214 TATACOMM-AS TATA Communications formerl 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 7660 10624 2903 AMAZON-02, US 11492 4591 304 519 CABLEONE, US 7155 3966 265 32 VIASAT-SP-BACKBONE, US 22773 3727 3061 326 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3563 1860 2557 AKAMAI-AS, US 6327 3524 1320 63 SHAW, CA 749 3064 50657 2331 DNIC-AS-00749, US 30036 2587 369 312 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2585 24058 1554 ATT-INTERNET4, US 396982 2564 3482 359 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 6963 1730 144 UNI2-AS, ES 20940 4099 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3980 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2894 2290 911 ROSTELECOM-AS, RU 9009 2650 253 1360 M247, RO 6849 2280 339 20 UKRTELNET, UA 34984 2243 357 610 TELLCOM-AS, TR 58224 1772 929 542 TCI, IR 13188 1610 100 27 TRIOLAN, UA 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 10852 3347 598 Uninet S.A. de C.V., MX 10620 3454 506 855 Telmex Colombia S.A., CO 11830 2290 369 64 Instituto Costarricense de Electricidad 13999 2121 347 553 Mega Cable, S.A. de C.V., MX 28573 1332 2327 262 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1287 728 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1114 182 479 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 26615 988 2466 43 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 1546 537 31 RAYA-AS, EG 36992 1349 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 67 42 ORANGE-COTE-IVOIRE, CI 24863 1010 393 21 LINKdotNET-AS, EG 36935 879 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 529 53 44 WANANCHI-, KE 37342 438 32 1 MOVITEL, MZ 23889 399 231 14 MauritiusTelecom, MU 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 10852 3347 598 Uninet S.A. de C.V., MX 9808 9118 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7660 10624 2903 AMAZON-02, US 12479 6963 1730 144 UNI2-AS, ES 7545 5947 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4591 304 519 CABLEONE, US 20940 4099 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3980 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3966 265 32 VIASAT-SP-BACKBONE, 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 9808 9118 9071 CHINAMOBILE-CN China Mobile Communications Grou 12479 6963 6819 UNI2-AS, ES 7545 5947 5251 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7660 4757 AMAZON-02, US 11492 4591 4072 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3980 3942 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3966 3934 VIASAT-SP-BACKBONE, US 20940 4099 3925 AKAMAI-ASN1, NL 7552 3623 3603 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 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 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 /10:38 /11:100 /12:295 /13:584 /14:1195 /15:2074 /16:13478 /17:8273 /18:13778 /19:24791 /20:43041 /21:50945 /22:108391 /23:96253 /24:536049 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5986 6963 UNI2-AS, ES 8151 4801 10852 Uninet S.A. de C.V., MX 11492 3497 4591 CABLEONE, US 8551 3444 3980 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3524 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 3055 3966 VIASAT-SP-BACKBONE, US 22773 2754 3727 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2246 2587 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2129 2280 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1859 2:1022 3:166 4:5 5:4041 6:118 7:5 8:1544 9:1 11:173 12:1617 13:383 14:2372 15:287 16:73 17:366 18:384 20:239 21:4 22:188 23:6011 24:2449 25:6 27:2702 29:19 31:2475 32:90 34:8 35:94 36:1823 37:4539 38:3829 39:771 40:144 41:3870 42:1181 43:2271 44:301 45:16223 46:4136 47:371 49:1700 50:1925 51:244 52:1507 54:398 55:840 56:8 57:79 58:1728 59:1103 60:1005 61:2422 62:2546 63:1953 64:5639 65:2332 66:4808 67:3000 68:1372 69:4157 70:1290 71:679 72:2987 74:2637 75:1470 76:596 77:2243 78:1822 79:3142 80:2037 81:1682 82:1494 83:1216 84:1485 85:2963 86:726 87:1924 88:1162 89:3457 90:569 91:7611 92:1995 93:2561 94:3533 95:3890 96:1337 97:347 98:1174 99:740 100:69 101:1304 102:2459 103:30400 104:4514 105:477 106:826 107:2537 108:911 109:4336 110:2006 111:3270 112:2048 113:1504 114:1600 115:2007 116:1877 117:2480 118:2327 119:1837 120:1693 121:1047 122:2580 123:2113 124:1512 125:2130 128:1200 129:966 130:962 131:2037 132:829 133:401 134:1906 135:294 136:878 137:921 138:2540 139:1516 140:1082 141:1481 142:1410 143:1402 144:1206 145:350 146:1879 147:1507 148:2241 149:1834 150:866 151:1149 152:1957 153:455 154:3785 155:1389 156:1621 157:1288 158:1036 159:2232 160:2585 161:1419 162:3509 163:1445 164:1668 165:1654 166:827 167:1723 168:3820 169:911 170:4553 171:863 172:3515 173:3106 174:1030 175:1166 176:3608 177:4793 178:3553 179:2128 180:2384 181:3314 182:3200 183:1920 184:2352 185:19907 186:4579 187:3948 188:4051 189:3427 190:9039 191:1434 192:10986 193:8755 194:7177 195:5090 196:3060 197:2375 198:5942 199:6068 200:7573 201:5818 202:10164 203:10057 204:4595 205:3464 206:3766 207:3340 208:4095 209:4771 210:4127 211:2341 212:3988 213:3510 214:1105 215:56 216:6540 217:2615 218:1265 219:408 220:1797 221:926 222:664 223:2001 End of report