IPv4 R&E Routing Table Report 23:05 GMT Sat 04 Feb, 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: 903415 Prefixes after maximum aggregation (per Origin AS): 344400 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 445754 Number of IPv4 prefixes with a valid ROA: 371259 Number of IPv4 prefixes with an invalid ROA: 1514 Number of IPv4 prefixes with no ROA: 530642 Total ASes present in the Internet Routing Table: 73902 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63471 Origin ASes announcing only one prefix: 26114 Transit ASes present in the Internet Routing Table: 10431 Transit-only ASes present in the Internet Routing Table: 436 Paths with bogon ASNs present in the IPv4 Routing Table: 26 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 996 Number of instances of unregistered ASNs: 1006 Number of 32-bit ASNs allocated by the RIRs: 41192 Number of 32-bit ASNs visible in the Routing Table: 34053 Prefixes from 32-bit ASNs in the Routing Table: 166210 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 515 Number of addresses announced to Internet: 3061536256 Equivalent to 182 /8s, 123 /16s and 86 /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: 303759 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233909 Total APNIC prefixes after maximum aggregation: 68111 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 228985 Unique aggregates announced from the APNIC address blocks: 97837 APNIC Region origin ASes present in the Internet Routing Table: 13156 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3802 APNIC Region transit ASes present in the Internet Routing Table: 1771 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8494 Number of APNIC addresses announced to Internet: 773012992 Equivalent to 46 /8s, 19 /16s and 62 /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: 265959 Total ARIN prefixes after maximum aggregation: 120943 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267884 Unique aggregates announced from the ARIN address blocks: 130012 ARIN Region origin ASes present in the Internet Routing Table: 19016 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 6997 ARIN Region transit ASes present in the Internet Routing Table: 1896 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4724 Number of ARIN addresses announced to Internet: 1285573888 Equivalent to 76 /8s, 160 /16s and 77 /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: 256276 Total RIPE prefixes after maximum aggregation: 120561 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 252701 Unique aggregates announced from the RIPE address blocks: 156355 RIPE Region origin ASes present in the Internet Routing Table: 28210 RIPE Prefixes per ASN: 8.96 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 3984 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: 10995 Number of RIPE addresses announced to Internet: 718330880 Equivalent to 42 /8s, 208 /16s and 220 /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: 117207 Total LACNIC prefixes after maximum aggregation: 28313 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116432 Unique aggregates announced from the LACNIC address blocks: 49111 LACNIC Region origin ASes present in the Internet Routing Table: 10990 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2676 LACNIC Region transit ASes present in the Internet Routing Table: 2273 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: 8775 Number of LACNIC addresses announced to Internet: 176263680 Equivalent to 10 /8s, 129 /16s and 146 /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: 29068 Total AfriNIC prefixes after maximum aggregation: 5729 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36898 Unique aggregates announced from the AfriNIC address blocks: 12018 AfriNIC Region origin ASes present in the Internet Routing Table: 1717 AfriNIC Prefixes per ASN: 21.49 AfriNIC Region origin ASes announcing only one prefix: 600 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1065 Number of AfriNIC addresses announced to Internet: 108036864 Equivalent to 6 /8s, 112 /16s and 131 /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 9440 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5871 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3637 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3522 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3375 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2727 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2363 847 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2164 440 213 TATACOMM-AS TATA Communications formerl 45090 2148 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 7888 10724 2913 AMAZON-02, US 11492 4533 300 601 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3663 3065 295 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3322 1681 2424 AKAMAI-AS, US 749 3037 50571 2304 DNIC-AS-00749, US 396982 2589 3496 365 GOOGLE-CLOUD-PLATFORM, US 7018 2585 24125 1567 ATT-INTERNET4, US 30036 2567 367 353 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 6990 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4035 3399 169 AKAMAI-ASN1, NL 8551 3896 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2890 2290 908 ROSTELECOM-AS, RU 9009 2696 256 1374 M247, RO 34984 2259 359 608 TELLCOM-AS, TR 6849 2197 339 19 UKRTELNET, UA 58224 1837 946 556 TCI, IR 13188 1607 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 11082 3346 588 Uninet S.A. de C.V., MX 10620 3479 508 859 Telmex Colombia S.A., CO 11830 2263 369 64 Instituto Costarricense de Electricidad 13999 2238 371 602 Mega Cable, S.A. de C.V., MX 28573 1353 2328 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1290 742 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1105 181 462 Techtel LMDS Comunicaciones Interactiva 26615 1018 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 1539 533 30 RAYA-AS, EG 24863 1474 393 21 LINKdotNET-AS, EG 36992 1349 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 996 67 53 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 548 1861 34 IAM-AS, MA 15399 527 54 46 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 491 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 11082 3346 588 Uninet S.A. de C.V., MX 9808 9440 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7888 10724 2913 AMAZON-02, US 12479 6990 1706 146 UNI2-AS, ES 7545 5871 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4533 300 601 CABLEONE, US 20940 4035 3399 169 AKAMAI-ASN1, NL 7155 3899 265 33 VIASAT-SP-BACKBONE, US 8551 3896 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9440 9393 CHINAMOBILE-CN China Mobile Communications Grou 12479 6990 6844 UNI2-AS, ES 7545 5871 5168 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7888 4975 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4533 3932 CABLEONE, US 20940 4035 3866 AKAMAI-ASN1, NL 7155 3899 3866 VIASAT-SP-BACKBONE, US 8551 3896 3859 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3637 3616 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 /13:578 /14:1198 /15:2075 /16:13464 /17:8225 /18:13766 /19:24801 /20:42872 /21:50828 /22:108702 /23:96749 /24:539685 /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 6053 6990 UNI2-AS, ES 8151 5089 11082 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3448 4533 CABLEONE, US 8551 3368 3896 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2709 3663 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2224 2567 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2049 2197 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1629 2:1223 3:168 4:5 5:4245 6:114 7:5 8:1514 9:1 11:172 12:1589 13:372 14:2350 15:290 16:79 17:366 18:394 20:243 21:4 22:188 23:6046 24:2483 25:4 27:2642 29:19 31:2500 32:106 34:9 35:104 36:1907 37:4588 38:4079 39:836 40:154 41:3923 42:1051 43:2304 44:302 45:16365 46:4115 47:374 49:1732 50:1833 51:382 52:1556 54:394 55:856 56:8 57:80 58:1675 59:1113 60:992 61:2421 62:2618 63:1933 64:5653 65:2313 66:4915 67:3040 68:1348 69:4136 70:1251 71:660 72:2967 74:2592 75:1457 76:599 77:2390 78:1832 79:3173 80:2070 81:1690 82:1483 83:1235 84:1501 85:2974 86:750 87:1948 88:1211 89:3566 90:595 91:7639 92:2007 93:2590 94:3533 95:3927 96:1330 97:346 98:1159 99:740 100:75 101:1297 102:2581 103:30818 104:4559 105:484 106:847 107:2511 108:898 109:4380 110:2071 111:3291 112:2039 113:1479 114:1599 115:2013 116:1876 117:2554 118:2290 119:1874 120:1740 121:1050 122:2584 123:2136 124:1562 125:2290 128:1251 129:1045 130:972 131:1982 132:822 133:404 134:1907 135:297 136:864 137:926 138:2562 139:1548 140:1178 141:1469 142:1416 143:1489 144:1197 145:351 146:1856 147:1551 148:2270 149:1880 150:869 151:1139 152:1944 153:480 154:3900 155:1400 156:1660 157:1296 158:1006 159:2263 160:2542 161:1418 162:3508 163:1480 164:1610 165:1662 166:830 167:1751 168:3847 169:916 170:4562 171:882 172:3508 173:2957 174:1024 175:1166 176:3679 177:4570 178:3552 179:2139 180:2388 181:3374 182:3240 183:1935 184:2342 185:20003 186:4660 187:3920 188:4071 189:3478 190:9071 191:1433 192:10935 193:8798 194:7218 195:5106 196:3096 197:2407 198:5889 199:6069 200:7671 201:5861 202:10210 203:10001 204:4585 205:3496 206:3800 207:3355 208:4065 209:4779 210:4158 211:2384 212:4076 213:3541 214:1096 215:56 216:6590 217:2645 218:1256 219:400 220:1769 221:968 222:665 223:2055 End of report