IPv4 R&E Routing Table Report 23:05 GMT Sun 30 Apr, 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: 913152 Prefixes after maximum aggregation (per Origin AS): 346833 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448678 Number of IPv4 prefixes with a valid ROA: 394828 Number of IPv4 prefixes with an invalid ROA: 1868 Number of IPv4 prefixes with no ROA: 516456 Total ASes present in the Internet Routing Table: 74185 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63690 Origin ASes announcing only one prefix: 26178 Transit ASes present in the Internet Routing Table: 10495 Transit-only ASes present in the Internet Routing Table: 434 Paths with bogon ASNs present in the IPv4 Routing Table: 34 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 87 Max AS path prepend of ASN ( 37447) 85 Prefixes from unregistered ASNs in the Routing Table: 1090 Number of instances of unregistered ASNs: 1094 Number of 32-bit ASNs allocated by the RIRs: 41772 Number of 32-bit ASNs visible in the Routing Table: 34448 Prefixes from 32-bit ASNs in the Routing Table: 169943 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 626 Number of addresses announced to Internet: 3058740992 Equivalent to 182 /8s, 80 /16s and 175 /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: 306154 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237718 Total APNIC prefixes after maximum aggregation: 68421 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 232077 Unique aggregates announced from the APNIC address blocks: 97698 APNIC Region origin ASes present in the Internet Routing Table: 13293 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 3886 APNIC Region transit ASes present in the Internet Routing Table: 1778 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: 8662 Number of APNIC addresses announced to Internet: 772776960 Equivalent to 46 /8s, 15 /16s and 164 /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: 267915 Total ARIN prefixes after maximum aggregation: 121491 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 270546 Unique aggregates announced from the ARIN address blocks: 130889 ARIN Region origin ASes present in the Internet Routing Table: 19025 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1902 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4767 Number of ARIN addresses announced to Internet: 1283203072 Equivalent to 76 /8s, 124 /16s and 32 /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: 259450 Total RIPE prefixes after maximum aggregation: 122098 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255326 Unique aggregates announced from the RIPE address blocks: 158003 RIPE Region origin ASes present in the Internet Routing Table: 28319 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12074 RIPE Region transit ASes present in the Internet Routing Table: 3992 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: 11157 Number of RIPE addresses announced to Internet: 717931008 Equivalent to 42 /8s, 202 /16s and 194 /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: 117578 Total LACNIC prefixes after maximum aggregation: 28214 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116840 Unique aggregates announced from the LACNIC address blocks: 49335 LACNIC Region origin ASes present in the Internet Routing Table: 10979 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2647 LACNIC Region transit ASes present in the Internet Routing Table: 2291 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: 8776 Number of LACNIC addresses announced to Internet: 176626432 Equivalent to 10 /8s, 135 /16s and 27 /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: 29401 Total AfriNIC prefixes after maximum aggregation: 5821 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 37737 Unique aggregates announced from the AfriNIC address blocks: 12237 AfriNIC Region origin ASes present in the Internet Routing Table: 1738 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 611 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 87 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1086 Number of AfriNIC addresses announced to Internet: 107788544 Equivalent to 6 /8s, 108 /16s and 185 /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 9463 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5727 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7552 3675 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3561 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2944 489 234 BBIL-AP BHARTI Airtel Ltd., IN 24560 2386 837 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2302 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2177 442 196 TATACOMM-AS TATA Communications formerl 18403 2158 347 25 FPT-AS-AP FPT Telecom Company, VN 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 8242 10773 2940 AMAZON-02, US 11492 4541 301 608 CABLEONE, US 7155 3975 281 51 VIASAT-SP-BACKBONE, US 22773 3584 3057 282 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 64 SHAW, CA 16625 3160 1575 2352 AKAMAI-AS, US 749 3071 53111 2323 DNIC-AS-00749, US 396982 2635 3590 366 GOOGLE-CLOUD-PLATFORM, US 7018 2512 24150 1575 ATT-INTERNET4, US 30036 2503 361 438 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 7268 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4068 3399 163 AKAMAI-ASN1, NL 8551 3882 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2292 909 ROSTELECOM-AS, RU 9009 2673 249 1397 M247, RO 34984 2276 359 613 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1854 950 533 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 11264 3344 596 Uninet S.A. de C.V., MX 10620 3510 507 854 Telmex Colombia S.A., CO 13999 2335 358 617 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1098 180 443 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 1582 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1024 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 518 54 46 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 24757 489 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 11264 3344 596 Uninet S.A. de C.V., MX 9808 9463 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8242 10773 2940 AMAZON-02, US 12479 7268 1706 140 UNI2-AS, ES 7545 5727 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4541 301 608 CABLEONE, US 20940 4068 3399 163 AKAMAI-ASN1, NL 45899 4055 1877 47 VNPT-AS-VN VNPT Corp, VN 7155 3975 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 9463 9426 CHINAMOBILE-CN China Mobile Communications Grou 12479 7268 7128 UNI2-AS, ES 16509 8242 5302 AMAZON-02, US 7545 5727 5035 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4055 4008 VNPT-AS-VN VNPT Corp, VN 11492 4541 3933 CABLEONE, US 7155 3975 3924 VIASAT-SP-BACKBONE, US 20940 4068 3905 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 5.105.166.0/24 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 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 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /11:103 /12:298 /13:575 /14:1194 /15:2079 /16:13406 /17:8149 /18:14140 /19:24859 /20:43115 /21:50861 /22:108923 /23:97195 /24:548178 /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 6328 7268 UNI2-AS, ES 8151 5200 11264 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3454 4541 CABLEONE, US 8551 3354 3882 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3332 3523 SHAW, CA 7155 3042 3975 VIASAT-SP-BACKBONE, US 22773 2653 3584 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2064 3510 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) ---------------------------------------------- 1:1785 2:1286 3:175 4:5 5:4512 6:128 7:6 8:1513 9:1 11:172 12:1536 13:387 14:2328 15:299 16:182 17:370 18:417 20:256 21:4 22:188 23:6221 24:2579 25:6 27:2493 29:19 31:2501 32:78 34:12 35:106 36:1947 37:4667 38:4458 39:824 40:150 41:3950 42:1215 43:2322 44:310 45:16459 46:4253 47:357 49:1736 50:1824 51:573 52:1590 54:390 55:849 56:8 57:115 58:1706 59:1102 60:989 61:2476 62:2643 63:1928 64:5665 65:2327 66:4972 67:3005 68:1367 69:4131 70:1231 71:671 72:2980 74:2600 75:1447 76:610 77:2429 78:1800 79:3170 80:2118 81:1761 82:1497 83:1276 84:1510 85:2985 86:763 87:2012 88:1160 89:3659 90:613 91:7729 92:2065 93:2623 94:3601 95:3996 96:1323 97:335 98:1153 99:746 100:73 101:1297 102:2694 103:31191 104:4603 105:488 106:938 107:2523 108:1022 109:4411 110:2082 111:3089 112:2029 113:1578 114:1635 115:2006 116:1902 117:2560 118:2373 119:2007 120:1763 121:1045 122:2577 123:2165 124:1572 125:2458 128:1316 129:1041 130:1011 131:1994 132:847 133:422 134:1900 135:304 136:876 137:944 138:2565 139:1554 140:1243 141:1454 142:1432 143:1497 144:1160 145:347 146:1929 147:1572 148:2316 149:2203 150:875 151:1158 152:1927 153:490 154:4397 155:1435 156:1770 157:1308 158:1058 159:2303 160:2542 161:1527 162:3510 163:1506 164:1592 165:1727 166:1021 167:1739 168:3843 169:935 170:4576 171:881 172:3544 173:2927 174:1067 175:1166 176:3676 177:4597 178:3585 179:2154 180:2587 181:3439 182:3339 183:1975 184:2361 185:20175 186:4723 187:3962 188:4086 189:3546 190:9098 191:1431 192:10928 193:8858 194:7319 195:5140 196:3175 197:2368 198:5859 199:6094 200:7932 201:5870 202:10322 203:10218 204:4579 205:3644 206:4279 207:3389 208:4059 209:4831 210:4163 211:2406 212:4138 213:3580 214:1082 215:59 216:6621 217:2686 218:1273 219:406 220:1763 221:970 222:717 223:2148 End of report