IPv4 R&E Routing Table Report 23:05 GMT Fri 02 Dec, 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: 900720 Prefixes after maximum aggregation (per Origin AS): 342700 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 443022 Number of IPv4 prefixes with a valid ROA: 364889 Number of IPv4 prefixes with an invalid ROA: 1584 Number of IPv4 prefixes with no ROA: 534247 Total ASes present in the Internet Routing Table: 73688 Prefixes per ASN: 12.22 Origin-only ASes present in the Internet Routing Table: 63344 Origin ASes announcing only one prefix: 26028 Transit ASes present in the Internet Routing Table: 10344 Transit-only ASes present in the Internet Routing Table: 406 Paths with bogon ASNs present in the IPv4 Routing Table: 27 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: 999 Number of instances of unregistered ASNs: 999 Number of 32-bit ASNs allocated by the RIRs: 40756 Number of 32-bit ASNs visible in the Routing Table: 33709 Prefixes from 32-bit ASNs in the Routing Table: 164059 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 524 Number of addresses announced to Internet: 3061883136 Equivalent to 182 /8s, 128 /16s and 161 /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: 302819 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233431 Total APNIC prefixes after maximum aggregation: 67591 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 228234 Unique aggregates announced from the APNIC address blocks: 97299 APNIC Region origin ASes present in the Internet Routing Table: 13050 APNIC Prefixes per ASN: 17.49 APNIC Region origin ASes announcing only one prefix: 3791 APNIC Region transit ASes present in the Internet Routing Table: 1748 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: 8360 Number of APNIC addresses announced to Internet: 773158144 Equivalent to 46 /8s, 21 /16s and 117 /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: 266079 Total ARIN prefixes after maximum aggregation: 121144 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 267636 Unique aggregates announced from the ARIN address blocks: 129351 ARIN Region origin ASes present in the Internet Routing Table: 19013 ARIN Prefixes per ASN: 14.08 ARIN Region origin ASes announcing only one prefix: 6982 ARIN Region transit ASes present in the Internet Routing Table: 1873 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: 1288437504 Equivalent to 76 /8s, 203 /16s and 255 /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: 254424 Total RIPE prefixes after maximum aggregation: 119431 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 251156 Unique aggregates announced from the RIPE address blocks: 155046 RIPE Region origin ASes present in the Internet Routing Table: 28150 RIPE Prefixes per ASN: 8.92 RIPE Region origin ASes announcing only one prefix: 11993 RIPE Region transit ASes present in the Internet Routing Table: 3977 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: 10893 Number of RIPE addresses announced to Internet: 716123904 Equivalent to 42 /8s, 175 /16s and 47 /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: 116974 Total LACNIC prefixes after maximum aggregation: 28140 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116322 Unique aggregates announced from the LACNIC address blocks: 48865 LACNIC Region origin ASes present in the Internet Routing Table: 10989 LACNIC Prefixes per ASN: 10.59 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2244 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: 8751 Number of LACNIC addresses announced to Internet: 175764224 Equivalent to 10 /8s, 121 /16s and 243 /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: 28813 Total AfriNIC prefixes after maximum aggregation: 5647 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36848 Unique aggregates announced from the AfriNIC address blocks: 12029 AfriNIC Region origin ASes present in the Internet Routing Table: 1697 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 585 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1034 Number of AfriNIC addresses announced to Internet: 108100096 Equivalent to 6 /8s, 113 /16s and 122 /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 9128 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5955 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3616 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3525 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1874 92 VNPT-AS-VN VNPT Corp, VN 9498 2563 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2308 849 416 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11250 593 KIXS-AS-KR Korea Telecom, KR 4755 2162 440 215 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 7663 10622 2912 AMAZON-02, US 11492 4547 301 569 CABLEONE, US 7155 3893 265 32 VIASAT-SP-BACKBONE, US 22773 3698 3044 315 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1320 63 SHAW, CA 16625 3505 1828 2528 AKAMAI-AS, US 749 3064 50660 2331 DNIC-AS-00749, US 7018 2584 24060 1555 ATT-INTERNET4, US 30036 2583 369 338 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2565 3482 360 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 6961 1730 151 UNI2-AS, ES 20940 4071 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3977 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2900 2290 912 ROSTELECOM-AS, RU 9009 2648 252 1360 M247, RO 34984 2250 357 609 TELLCOM-AS, TR 6849 2194 339 20 UKRTELNET, UA 58224 1801 937 531 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 10798 3336 597 Uninet S.A. de C.V., MX 10620 3461 506 848 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2132 350 554 Mega Cable, S.A. de C.V., MX 28573 1329 2327 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 522 Axtel, S.A.B. de C.V., MX 3816 1288 728 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1154 369 22 Telefonica del Peru S.A.A., PE 11664 1134 184 474 Techtel LMDS Comunicaciones Interactiva 26615 989 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 1548 537 31 RAYA-AS, EG 24863 1537 393 21 LINKdotNET-AS, EG 36992 1356 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 67 40 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 529 54 45 WANANCHI-, KE 37342 441 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 10798 3336 597 Uninet S.A. de C.V., MX 9808 9128 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7663 10622 2912 AMAZON-02, US 12479 6961 1730 151 UNI2-AS, ES 7545 5955 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4547 301 569 CABLEONE, US 20940 4071 3399 174 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3977 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3893 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 9128 9081 CHINAMOBILE-CN China Mobile Communications Grou 12479 6961 6810 UNI2-AS, ES 7545 5955 5260 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7663 4751 AMAZON-02, US 11492 4547 3978 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3977 3939 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4071 3897 AKAMAI-ASN1, NL 7155 3893 3861 VIASAT-SP-BACKBONE, US 7552 3616 3595 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 23.131.184.0/24 Origin: 174 COGENT-174, US 23.131.184.0/24 Transit: 2914 NTT-LTD-2914, US 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: 46450 PILOT, US 23.131.188.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 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 /15:2079 /16:13468 /17:8248 /18:13777 /19:24819 /20:43041 /21:50929 /22:108774 /23:96320 /24:537017 /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 5994 6961 UNI2-AS, ES 8151 4788 10798 Uninet S.A. de C.V., MX 11492 3454 4547 CABLEONE, US 8551 3441 3977 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3527 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2982 3893 VIASAT-SP-BACKBONE, US 22773 2730 3698 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2241 2583 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2046 2194 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1851 2:1018 3:167 4:5 5:4065 6:118 7:5 8:1543 9:1 11:173 12:1615 13:380 14:2368 15:285 16:75 17:367 18:382 20:240 21:4 22:188 23:5998 24:2442 25:4 27:2706 29:19 31:2481 32:104 34:8 35:94 36:1834 37:4573 38:3858 39:772 40:144 41:3979 42:1183 43:2282 44:304 45:16331 46:4155 47:370 49:1702 50:1928 51:244 52:1505 54:397 55:843 56:8 57:79 58:1726 59:1104 60:1005 61:2422 62:2577 63:1948 64:5629 65:2332 66:4834 67:2985 68:1365 69:4128 70:1288 71:678 72:2977 74:2635 75:1469 76:596 77:2250 78:1820 79:3157 80:2051 81:1674 82:1499 83:1225 84:1485 85:2968 86:752 87:1932 88:1162 89:3495 90:578 91:7611 92:1990 93:2562 94:3539 95:3879 96:1315 97:345 98:1168 99:740 100:69 101:1283 102:2483 103:30437 104:4555 105:483 106:826 107:2544 108:907 109:4327 110:2015 111:3260 112:2038 113:1507 114:1592 115:2011 116:1883 117:2468 118:2334 119:1883 120:1692 121:1043 122:2572 123:2125 124:1535 125:2141 128:1205 129:935 130:962 131:2015 132:828 133:400 134:1901 135:294 136:878 137:856 138:2559 139:1519 140:1033 141:1487 142:1410 143:1418 144:1198 145:354 146:1884 147:1502 148:2259 149:1837 150:863 151:1144 152:1961 153:455 154:3779 155:1409 156:1633 157:1294 158:1037 159:2240 160:2571 161:1425 162:3520 163:1443 164:1661 165:1640 166:814 167:1745 168:3841 169:911 170:4561 171:866 172:3516 173:3102 174:1033 175:1157 176:3617 177:4757 178:3551 179:2148 180:2393 181:3350 182:3218 183:1937 184:2364 185:19961 186:4620 187:3921 188:4057 189:3423 190:9002 191:1464 192:10986 193:8784 194:7202 195:5074 196:3047 197:2435 198:5944 199:6081 200:7612 201:5827 202:10200 203:10045 204:4597 205:3495 206:3760 207:3344 208:4104 209:4770 210:4157 211:2390 212:4020 213:3456 214:1098 215:57 216:6575 217:2624 218:1264 219:410 220:1797 221:952 222:666 223:2001 End of report