IPv4 R&E Routing Table Report 23:05 GMT Sun 20 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: 900322 Prefixes after maximum aggregation (per Origin AS): 342609 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 442688 Number of IPv4 prefixes with a valid ROA: 362797 Number of IPv4 prefixes with an invalid ROA: 1654 Number of IPv4 prefixes with no ROA: 535871 Total ASes present in the Internet Routing Table: 73682 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63328 Origin ASes announcing only one prefix: 26043 Transit ASes present in the Internet Routing Table: 10354 Transit-only ASes present in the Internet Routing Table: 419 Paths with bogon ASNs present in the IPv4 Routing Table: 29 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: 982 Number of instances of unregistered ASNs: 984 Number of 32-bit ASNs allocated by the RIRs: 40677 Number of 32-bit ASNs visible in the Routing Table: 33670 Prefixes from 32-bit ASNs in the Routing Table: 163365 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 501 Number of addresses announced to Internet: 3062440960 Equivalent to 182 /8s, 137 /16s and 36 /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: 302755 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233032 Total APNIC prefixes after maximum aggregation: 67499 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227924 Unique aggregates announced from the APNIC address blocks: 97084 APNIC Region origin ASes present in the Internet Routing Table: 13014 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 3770 APNIC Region transit ASes present in the Internet Routing Table: 1754 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: 8328 Number of APNIC addresses announced to Internet: 773049088 Equivalent to 46 /8s, 19 /16s and 203 /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: 266128 Total ARIN prefixes after maximum aggregation: 121050 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267636 Unique aggregates announced from the ARIN address blocks: 129388 ARIN Region origin ASes present in the Internet Routing Table: 19018 ARIN Prefixes per ASN: 14.07 ARIN Region origin ASes announcing only one prefix: 6984 ARIN Region transit ASes present in the Internet Routing Table: 1875 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: 4669 Number of ARIN addresses announced to Internet: 1289126656 Equivalent to 76 /8s, 214 /16s and 131 /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: 254385 Total RIPE prefixes after maximum aggregation: 119549 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251072 Unique aggregates announced from the RIPE address blocks: 154878 RIPE Region origin ASes present in the Internet Routing Table: 28161 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 12017 RIPE Region transit ASes present in the Internet Routing Table: 3976 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: 10888 Number of RIPE addresses announced to Internet: 715986432 Equivalent to 42 /8s, 173 /16s and 22 /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: 116902 Total LACNIC prefixes after maximum aggregation: 28131 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116255 Unique aggregates announced from the LACNIC address blocks: 48918 LACNIC Region origin ASes present in the Internet Routing Table: 10995 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2683 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: 8756 Number of LACNIC addresses announced to Internet: 175946240 Equivalent to 10 /8s, 124 /16s and 186 /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: 28893 Total AfriNIC prefixes after maximum aggregation: 5637 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36934 Unique aggregates announced from the AfriNIC address blocks: 12005 AfriNIC Region origin ASes present in the Internet Routing Table: 1696 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 589 AfriNIC Region transit ASes present in the Internet Routing Table: 323 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: 108048896 Equivalent to 6 /8s, 112 /16s and 178 /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 3397 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2539 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2294 11251 597 KIXS-AS-KR Korea Telecom, KR 24560 2289 849 415 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 7650 10622 2905 AMAZON-02, US 11492 4593 304 514 CABLEONE, US 7155 3964 265 32 VIASAT-SP-BACKBONE, US 22773 3728 3062 327 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 2598 372 278 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2578 24058 1549 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 6955 1730 144 UNI2-AS, ES 20940 4108 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3985 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2894 2290 911 ROSTELECOM-AS, RU 9009 2646 253 1359 M247, RO 6849 2326 339 20 UKRTELNET, UA 34984 2242 357 615 TELLCOM-AS, TR 58224 1773 930 537 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 2301 369 64 Instituto Costarricense de Electricidad 13999 2121 347 553 Mega Cable, S.A. de C.V., MX 28573 1332 2328 260 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 24863 1566 393 21 LINKdotNET-AS, EG 24835 1547 537 32 RAYA-AS, EG 36992 1355 1520 270 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1010 67 42 ORANGE-COTE-IVOIRE, CI 36935 880 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 529 53 44 WANANCHI-, KE 37342 492 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 7650 10622 2905 AMAZON-02, US 12479 6955 1730 144 UNI2-AS, ES 7545 5947 786 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4593 304 514 CABLEONE, US 20940 4108 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3985 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3964 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 6955 6811 UNI2-AS, ES 7545 5947 5251 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7650 4745 AMAZON-02, US 11492 4593 4079 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3985 3947 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4108 3934 AKAMAI-ASN1, NL 7155 3964 3932 VIASAT-SP-BACKBONE, US 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 /15:2076 /16:13478 /17:8277 /18:13797 /19:24798 /20:43074 /21:50941 /22:108834 /23:96411 /24:536388 /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 5978 6955 UNI2-AS, ES 8151 4801 10852 Uninet S.A. de C.V., MX 11492 3499 4593 CABLEONE, US 8551 3449 3985 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3524 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 3053 3964 VIASAT-SP-BACKBONE, US 22773 2754 3728 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2255 2598 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2175 2326 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1859 2:1024 3:166 4:5 5:4043 6:118 7:5 8:1543 9:1 11:173 12:1616 13:382 14:2371 15:286 16:73 17:364 18:383 20:239 21:4 22:188 23:6007 24:2453 25:6 27:2702 29:19 31:2477 32:90 34:8 35:94 36:1823 37:4544 38:3765 39:771 40:144 41:3916 42:1181 43:2268 44:300 45:16263 46:4138 47:370 49:1700 50:1924 51:244 52:1507 54:398 55:844 56:8 57:79 58:1729 59:1108 60:1005 61:2420 62:2563 63:1953 64:5634 65:2330 66:4806 67:2999 68:1381 69:4147 70:1289 71:680 72:2993 74:2636 75:1471 76:597 77:2246 78:1824 79:3154 80:2045 81:1685 82:1499 83:1213 84:1488 85:2963 86:730 87:1924 88:1157 89:3464 90:569 91:7608 92:2012 93:2562 94:3535 95:3890 96:1338 97:348 98:1175 99:740 100:69 101:1298 102:2459 103:30361 104:4557 105:478 106:826 107:2538 108:909 109:4334 110:2005 111:3268 112:2048 113:1504 114:1600 115:2012 116:1877 117:2480 118:2326 119:1845 120:1693 121:1047 122:2582 123:2113 124:1534 125:2128 128:1202 129:968 130:963 131:2031 132:824 133:401 134:1907 135:293 136:876 137:919 138:2545 139:1512 140:1090 141:1484 142:1410 143:1398 144:1208 145:350 146:1875 147:1505 148:2236 149:1835 150:864 151:1147 152:1958 153:455 154:3784 155:1388 156:1622 157:1289 158:1031 159:2234 160:2586 161:1419 162:3511 163:1445 164:1616 165:1651 166:828 167:1719 168:3821 169:915 170:4548 171:846 172:3513 173:3106 174:1031 175:1167 176:3617 177:4783 178:3550 179:2136 180:2383 181:3326 182:3197 183:1936 184:2353 185:19926 186:4570 187:3946 188:4051 189:3420 190:9038 191:1445 192:10985 193:8760 194:7185 195:5091 196:3070 197:2479 198:5940 199:6063 200:7563 201:5828 202:10170 203:10055 204:4596 205:3468 206:3776 207:3344 208:4096 209:4781 210:4154 211:2341 212:4020 213:3520 214:1100 215:55 216:6556 217:2619 218:1265 219:408 220:1795 221:948 222:664 223:2003 End of report