IPv4 R&E Routing Table Report 23:05 GMT Sun 15 Jan, 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: 902968 Prefixes after maximum aggregation (per Origin AS): 344261 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 444763 Number of IPv4 prefixes with a valid ROA: 368499 Number of IPv4 prefixes with an invalid ROA: 1539 Number of IPv4 prefixes with no ROA: 532930 Total ASes present in the Internet Routing Table: 73913 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63487 Origin ASes announcing only one prefix: 26135 Transit ASes present in the Internet Routing Table: 10426 Transit-only ASes present in the Internet Routing Table: 422 Paths with bogon ASNs present in the IPv4 Routing Table: 34 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: 974 Number of instances of unregistered ASNs: 983 Number of 32-bit ASNs allocated by the RIRs: 41057 Number of 32-bit ASNs visible in the Routing Table: 33985 Prefixes from 32-bit ASNs in the Routing Table: 165764 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 506 Number of addresses announced to Internet: 3062655488 Equivalent to 182 /8s, 140 /16s and 106 /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: 303766 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233311 Total APNIC prefixes after maximum aggregation: 68008 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228391 Unique aggregates announced from the APNIC address blocks: 97513 APNIC Region origin ASes present in the Internet Routing Table: 13145 APNIC Prefixes per ASN: 17.37 APNIC Region origin ASes announcing only one prefix: 3815 APNIC Region transit ASes present in the Internet Routing Table: 1765 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: 8467 Number of APNIC addresses announced to Internet: 773072640 Equivalent to 46 /8s, 20 /16s and 39 /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: 266464 Total ARIN prefixes after maximum aggregation: 121257 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267968 Unique aggregates announced from the ARIN address blocks: 129583 ARIN Region origin ASes present in the Internet Routing Table: 19024 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 7001 ARIN Region transit ASes present in the Internet Routing Table: 1893 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: 4716 Number of ARIN addresses announced to Internet: 1285893376 Equivalent to 76 /8s, 165 /16s and 45 /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: 255598 Total RIPE prefixes after maximum aggregation: 120264 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252311 Unique aggregates announced from the RIPE address blocks: 156182 RIPE Region origin ASes present in the Internet Routing Table: 28220 RIPE Prefixes per ASN: 8.94 RIPE Region origin ASes announcing only one prefix: 12062 RIPE Region transit ASes present in the Internet Routing Table: 3995 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10982 Number of RIPE addresses announced to Internet: 719212544 Equivalent to 42 /8s, 222 /16s and 80 /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: 117523 Total LACNIC prefixes after maximum aggregation: 28263 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116700 Unique aggregates announced from the LACNIC address blocks: 48977 LACNIC Region origin ASes present in the Internet Routing Table: 11005 LACNIC Prefixes per ASN: 10.60 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2270 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: 8769 Number of LACNIC addresses announced to Internet: 176030208 Equivalent to 10 /8s, 126 /16s and 2 /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: 29098 Total AfriNIC prefixes after maximum aggregation: 5713 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 37092 Unique aggregates announced from the AfriNIC address blocks: 12096 AfriNIC Region origin ASes present in the Internet Routing Table: 1708 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 591 AfriNIC Region transit ASes present in the Internet Routing Table: 324 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1051 Number of AfriNIC addresses announced to Internet: 108153088 Equivalent to 6 /8s, 114 /16s and 73 /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 9348 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5939 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3634 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3109 1874 95 VNPT-AS-VN VNPT Corp, VN 9498 2704 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2282 11250 588 KIXS-AS-KR Korea Telecom, KR 4755 2164 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 7753 10699 2925 AMAZON-02, US 11492 4540 301 593 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3689 3063 320 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 63 SHAW, CA 16625 3448 1777 2509 AKAMAI-AS, US 749 3023 50575 2290 DNIC-AS-00749, US 7018 2625 24133 1594 ATT-INTERNET4, US 396982 2576 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2572 368 355 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 6965 1706 146 UNI2-AS, ES 39891 4420 260 55 ALJAWWALSTC-AS, SA 20940 4032 3399 171 AKAMAI-ASN1, NL 8551 3907 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2658 253 1360 M247, RO 34984 2254 358 610 TELLCOM-AS, TR 6849 2185 339 20 UKRTELNET, UA 58224 1822 944 536 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 10997 3338 588 Uninet S.A. de C.V., MX 10620 3469 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2209 362 594 Mega Cable, S.A. de C.V., MX 28573 1345 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 742 157 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1136 186 465 Techtel LMDS Comunicaciones Interactiva 26615 1003 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 1538 533 30 RAYA-AS, EG 24863 1477 393 21 LINKdotNET-AS, EG 36992 1327 1517 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1005 67 46 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 526 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 493 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 10997 3338 588 Uninet S.A. de C.V., MX 9808 9348 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7753 10699 2925 AMAZON-02, US 12479 6965 1706 146 UNI2-AS, ES 7545 5939 786 698 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4540 301 593 CABLEONE, US 39891 4420 260 55 ALJAWWALSTC-AS, SA 20940 4032 3399 171 AKAMAI-ASN1, NL 8551 3907 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3895 265 33 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 9348 9301 CHINAMOBILE-CN China Mobile Communications Grou 12479 6965 6819 UNI2-AS, ES 7545 5939 5241 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7753 4828 AMAZON-02, US 39891 4420 4365 ALJAWWALSTC-AS, SA 11492 4540 3947 CABLEONE, US 8551 3907 3869 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3862 VIASAT-SP-BACKBONE, US 20940 4032 3861 AKAMAI-ASN1, NL 7552 3634 3613 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 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /11:101 /12:295 /13:580 /14:1199 /15:2077 /16:13483 /17:8225 /18:13775 /19:24830 /20:42752 /21:50810 /22:108841 /23:96713 /24:539211 /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 6025 6965 UNI2-AS, ES 8151 5011 10997 Uninet S.A. de C.V., MX 39891 3539 4420 ALJAWWALSTC-AS, SA 11492 3447 4540 CABLEONE, US 8551 3372 3907 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3331 3523 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2726 3689 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2229 2572 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2038 2185 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1625 2:1231 3:168 4:5 5:4118 6:110 7:5 8:1530 9:1 11:172 12:1594 13:372 14:2320 15:284 16:78 17:369 18:416 20:243 21:4 22:188 23:6039 24:2453 25:4 27:2650 29:19 31:2500 32:99 34:8 35:98 36:1886 37:4603 38:4009 39:831 40:155 41:3945 42:1038 43:2291 44:302 45:16353 46:4169 47:374 49:1728 50:1911 51:314 52:1542 54:393 55:860 56:8 57:78 58:1676 59:1105 60:1007 61:2418 62:2629 63:1940 64:5646 65:2323 66:4901 67:3052 68:1342 69:4107 70:1254 71:655 72:2975 74:2582 75:1465 76:594 77:2372 78:1825 79:3165 80:2070 81:1679 82:1479 83:1228 84:1498 85:2962 86:744 87:1932 88:1197 89:3525 90:591 91:7641 92:1982 93:2569 94:3513 95:3925 96:1306 97:346 98:1165 99:740 100:75 101:1292 102:2552 103:30718 104:4583 105:483 106:842 107:2532 108:910 109:4374 110:2047 111:3262 112:2040 113:1465 114:1602 115:2018 116:1874 117:2545 118:2290 119:1861 120:1734 121:1044 122:2573 123:2149 124:1554 125:2277 128:1249 129:984 130:958 131:2005 132:827 133:406 134:1895 135:298 136:893 137:919 138:2580 139:1538 140:1020 141:1479 142:1415 143:1439 144:1187 145:350 146:1888 147:1543 148:2272 149:1864 150:862 151:1133 152:1970 153:478 154:3923 155:1403 156:1646 157:1301 158:1043 159:2266 160:2567 161:1423 162:3528 163:1474 164:1685 165:1658 166:820 167:1752 168:3846 169:918 170:4586 171:885 172:3489 173:3009 174:1025 175:1159 176:3708 177:4760 178:3548 179:2142 180:2412 181:3353 182:3240 183:1932 184:2339 185:19971 186:4658 187:3923 188:4064 189:3445 190:9039 191:1425 192:10937 193:8836 194:7215 195:5102 196:3094 197:2402 198:5923 199:6086 200:7661 201:5871 202:10221 203:9999 204:4610 205:3514 206:3786 207:3354 208:4075 209:4791 210:4155 211:2388 212:4070 213:3564 214:1096 215:55 216:6589 217:2634 218:1257 219:410 220:1782 221:968 222:665 223:1970 End of report