IPv4 R&E Routing Table Report 23:05 GMT Thu 11 May, 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: 913842 Prefixes after maximum aggregation (per Origin AS): 347438 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448351 Number of IPv4 prefixes with a valid ROA: 396253 Number of IPv4 prefixes with an invalid ROA: 1829 Number of IPv4 prefixes with no ROA: 515760 Total ASes present in the Internet Routing Table: 74235 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63746 Origin ASes announcing only one prefix: 26222 Transit ASes present in the Internet Routing Table: 10489 Transit-only ASes present in the Internet Routing Table: 432 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1155 Number of instances of unregistered ASNs: 1155 Number of 32-bit ASNs allocated by the RIRs: 41827 Number of 32-bit ASNs visible in the Routing Table: 34502 Prefixes from 32-bit ASNs in the Routing Table: 170729 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: 594 Number of addresses announced to Internet: 3056435712 Equivalent to 182 /8s, 45 /16s and 130 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 306995 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237591 Total APNIC prefixes after maximum aggregation: 68522 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 232013 Unique aggregates announced from the APNIC address blocks: 97845 APNIC Region origin ASes present in the Internet Routing Table: 13334 APNIC Prefixes per ASN: 17.40 APNIC Region origin ASes announcing only one prefix: 3931 APNIC Region transit ASes present in the Internet Routing Table: 1784 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8701 Number of APNIC addresses announced to Internet: 772985088 Equivalent to 46 /8s, 18 /16s and 209 /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: 268531 Total ARIN prefixes after maximum aggregation: 121808 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271169 Unique aggregates announced from the ARIN address blocks: 130132 ARIN Region origin ASes present in the Internet Routing Table: 19052 ARIN Prefixes per ASN: 14.23 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1906 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4778 Number of ARIN addresses announced to Internet: 1280648960 Equivalent to 76 /8s, 85 /16s and 39 /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: 259733 Total RIPE prefixes after maximum aggregation: 122248 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255699 Unique aggregates announced from the RIPE address blocks: 158317 RIPE Region origin ASes present in the Internet Routing Table: 28310 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12066 RIPE Region transit ASes present in the Internet Routing Table: 3986 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11163 Number of RIPE addresses announced to Internet: 718097664 Equivalent to 42 /8s, 205 /16s and 77 /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: 117781 Total LACNIC prefixes after maximum aggregation: 28237 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117160 Unique aggregates announced from the LACNIC address blocks: 49321 LACNIC Region origin ASes present in the Internet Routing Table: 10985 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2638 LACNIC Region transit ASes present in the Internet Routing Table: 2282 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8780 Number of LACNIC addresses announced to Internet: 176681472 Equivalent to 10 /8s, 135 /16s and 242 /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: 29051 Total AfriNIC prefixes after maximum aggregation: 5830 AfriNIC Deaggregation factor: 4.98 Prefixes being announced from the AfriNIC address blocks: 37207 Unique aggregates announced from the AfriNIC address blocks: 12246 AfriNIC Region origin ASes present in the Internet Routing Table: 1733 AfriNIC Prefixes per ASN: 21.47 AfriNIC Region origin ASes announcing only one prefix: 606 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1080 Number of AfriNIC addresses announced to Internet: 107619584 Equivalent to 6 /8s, 106 /16s and 37 /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 9469 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5726 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4056 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3577 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2943 491 236 BBIL-AP BHARTI Airtel Ltd., IN 24560 2393 836 450 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2180 442 196 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 8273 10778 2945 AMAZON-02, US 11492 4535 300 609 CABLEONE, US 7155 4004 281 51 VIASAT-SP-BACKBONE, US 22773 3580 3057 281 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 64 SHAW, CA 16625 3102 1568 2350 AKAMAI-AS, US 749 3100 54980 2352 DNIC-AS-00749, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 30036 2498 360 452 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2477 24146 1550 ATT-INTERNET4, 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 7303 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4080 3399 163 AKAMAI-ASN1, NL 8551 3882 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2292 910 ROSTELECOM-AS, RU 9009 2712 251 1397 M247, RO 34984 2278 360 610 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1851 950 535 TCI, IR 13188 1607 100 18 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 11278 3330 601 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2349 361 619 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1330 2323 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 339 514 Axtel, S.A.B. de C.V., MX 3816 1260 754 169 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1095 180 445 Techtel LMDS Comunicaciones Interactiva 26615 1035 2498 45 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 1601 393 19 LINKdotNET-AS, EG 24835 1330 533 30 RAYA-AS, EG 36992 1317 1518 276 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1025 67 46 ORANGE-COTE-IVOIRE, CI 36935 850 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 489 32 1 MOVITEL, MZ 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 11278 3330 601 Uninet S.A. de C.V., MX 9808 9469 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8273 10778 2945 AMAZON-02, US 12479 7303 1707 141 UNI2-AS, ES 7545 5726 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4535 300 609 CABLEONE, US 20940 4080 3399 163 AKAMAI-ASN1, NL 45899 4056 1877 47 VNPT-AS-VN VNPT Corp, VN 7155 4004 281 51 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 9469 9432 CHINAMOBILE-CN China Mobile Communications Grou 12479 7303 7162 UNI2-AS, ES 16509 8273 5328 AMAZON-02, US 7545 5726 5033 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4056 4009 VNPT-AS-VN VNPT Corp, VN 7155 4004 3953 VIASAT-SP-BACKBONE, US 11492 4535 3926 CABLEONE, US 20940 4080 3917 AKAMAI-ASN1, NL 8551 3882 3845 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 23.152.232.0/24 Origin: 400600 ISIT-ISP, US 23.152.232.0/24 Transit: 174 COGENT-174, US 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 /9:14 /10:38 /11:104 /12:301 /13:576 /14:1196 /15:2082 /16:13422 /17:8131 /18:14141 /19:24857 /20:43080 /21:50910 /22:108804 /23:97476 /24:548685 /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 6363 7303 UNI2-AS, ES 8151 5234 11278 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3443 4535 CABLEONE, US 8551 3354 3882 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3525 SHAW, CA 7155 3071 4004 VIASAT-SP-BACKBONE, US 22773 2649 3580 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2070 3517 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1689 2:1301 3:173 4:5 5:4537 6:128 7:6 8:1516 9:1 11:172 12:1534 13:384 14:2329 15:300 16:187 17:372 18:421 20:258 21:4 22:188 23:6225 24:2590 25:6 27:2489 29:19 31:2501 32:76 34:11 35:106 36:1968 37:4695 38:4567 39:841 40:151 41:3916 42:1022 43:2328 44:307 45:16514 46:4285 47:357 49:1735 50:1833 51:567 52:1597 54:389 55:775 56:8 57:115 58:1692 59:1093 60:987 61:2510 62:2666 63:1920 64:5666 65:2315 66:5009 67:2997 68:1345 69:4097 70:1247 71:670 72:2991 74:2611 75:1554 76:608 77:2446 78:1799 79:3168 80:2131 81:1775 82:1493 83:1279 84:1511 85:2977 86:766 87:2027 88:1158 89:3682 90:613 91:7731 92:2065 93:2620 94:3616 95:4013 96:1310 97:336 98:1151 99:745 100:73 101:1304 102:2696 103:31285 104:4652 105:487 106:938 107:2525 108:1033 109:4405 110:2103 111:3105 112:2029 113:1535 114:1647 115:1999 116:1888 117:2562 118:2298 119:1910 120:1790 121:1062 122:2589 123:2130 124:1568 125:2462 128:1330 129:1082 130:1016 131:2003 132:847 133:422 134:1922 135:305 136:875 137:951 138:2554 139:1556 140:1241 141:1450 142:1434 143:1506 144:1162 145:346 146:1936 147:1580 148:2325 149:2228 150:874 151:1158 152:1934 153:487 154:4196 155:1452 156:1777 157:1305 158:1061 159:2299 160:2546 161:1530 162:3503 163:1509 164:1608 165:1740 166:1034 167:1728 168:3838 169:930 170:4564 171:880 172:3550 173:2924 174:1072 175:1172 176:3680 177:4609 178:3596 179:2159 180:2604 181:3477 182:3349 183:1942 184:2338 185:20203 186:4736 187:3986 188:4093 189:3587 190:9112 191:1443 192:10894 193:8864 194:7285 195:5154 196:3173 197:2367 198:5886 199:6088 200:7938 201:5893 202:10362 203:10287 204:4574 205:3666 206:4241 207:3390 208:4080 209:4850 210:4164 211:2415 212:4135 213:3589 214:1089 215:59 216:6645 217:2695 218:1273 219:407 220:1763 221:974 222:714 223:2152 End of report