IPv4 R&E Routing Table Report 23:05 GMT Thu 25 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: 917497 Prefixes after maximum aggregation (per Origin AS): 348314 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 449539 Number of IPv4 prefixes with a valid ROA: 401446 Number of IPv4 prefixes with an invalid ROA: 1721 Number of IPv4 prefixes with no ROA: 514330 Total ASes present in the Internet Routing Table: 74271 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63790 Origin ASes announcing only one prefix: 26246 Transit ASes present in the Internet Routing Table: 10481 Transit-only ASes present in the Internet Routing Table: 431 Paths with bogon ASNs present in the IPv4 Routing Table: 35 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: 1080 Number of instances of unregistered ASNs: 1082 Number of 32-bit ASNs allocated by the RIRs: 41937 Number of 32-bit ASNs visible in the Routing Table: 34551 Prefixes from 32-bit ASNs in the Routing Table: 171268 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 580 Number of addresses announced to Internet: 3056359936 Equivalent to 182 /8s, 44 /16s and 90 /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: 307644 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239757 Total APNIC prefixes after maximum aggregation: 68600 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 233912 Unique aggregates announced from the APNIC address blocks: 98162 APNIC Region origin ASes present in the Internet Routing Table: 13321 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 3924 APNIC Region transit ASes present in the Internet Routing Table: 1793 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: 8693 Number of APNIC addresses announced to Internet: 772843520 Equivalent to 46 /8s, 16 /16s and 168 /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, 131072-153913 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: 268685 Total ARIN prefixes after maximum aggregation: 122364 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271506 Unique aggregates announced from the ARIN address blocks: 130433 ARIN Region origin ASes present in the Internet Routing Table: 19065 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 6991 ARIN Region transit ASes present in the Internet Routing Table: 1903 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4787 Number of ARIN addresses announced to Internet: 1280740608 Equivalent to 76 /8s, 86 /16s and 141 /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: 260166 Total RIPE prefixes after maximum aggregation: 122486 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256020 Unique aggregates announced from the RIPE address blocks: 158699 RIPE Region origin ASes present in the Internet Routing Table: 28327 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12059 RIPE Region transit ASes present in the Internet Routing Table: 3978 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11194 Number of RIPE addresses announced to Internet: 717801984 Equivalent to 42 /8s, 200 /16s and 202 /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: 118445 Total LACNIC prefixes after maximum aggregation: 28249 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117662 Unique aggregates announced from the LACNIC address blocks: 49417 LACNIC Region origin ASes present in the Internet Routing Table: 10998 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2277 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8787 Number of LACNIC addresses announced to Internet: 176980992 Equivalent to 10 /8s, 140 /16s and 132 /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: 29364 Total AfriNIC prefixes after maximum aggregation: 5834 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 37817 Unique aggregates announced from the AfriNIC address blocks: 12352 AfriNIC Region origin ASes present in the Internet Routing Table: 1741 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 612 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1090 Number of AfriNIC addresses announced to Internet: 107597824 Equivalent to 6 /8s, 105 /16s and 208 /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 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5714 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4200 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3680 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3381 1856 97 VNPT-AS-VN VNPT Corp, VN 9498 2961 491 241 BBIL-AP BHARTI Airtel Ltd., IN 24560 2399 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2299 11252 587 KIXS-AS-KR Korea Telecom, KR 4755 2186 442 197 TATACOMM-AS TATA Communications formerl 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 8321 10784 2955 AMAZON-02, US 11492 4523 300 609 CABLEONE, US 7155 4041 282 62 VIASAT-SP-BACKBONE, US 22773 3564 3052 270 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1320 64 SHAW, CA 749 3099 54980 2351 DNIC-AS-00749, US 16625 3082 1549 2332 AKAMAI-AS, US 396982 2656 3592 373 GOOGLE-CLOUD-PLATFORM, US 30036 2502 361 433 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2477 24144 1547 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 7300 1706 140 UNI2-AS, ES 39891 4829 286 61 ALJAWWALSTC-AS, SA 20940 4099 3398 162 AKAMAI-ASN1, NL 8551 3877 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2292 910 ROSTELECOM-AS, RU 9009 2723 250 1407 M247, RO 34984 2278 360 607 TELLCOM-AS, TR 6849 1967 307 17 UKRTELNET, UA 58224 1829 945 534 TCI, IR 61317 1639 109 1230 ASDETUK www.heficed.com, US 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 11347 3349 603 Uninet S.A. de C.V., MX 10620 3521 508 855 Telmex Colombia S.A., CO 13999 2350 363 624 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1330 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 339 510 Axtel, S.A.B. de C.V., MX 3816 1295 762 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1095 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1038 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 1573 393 19 LINKdotNET-AS, EG 24835 1518 533 29 RAYA-AS, EG 36992 1341 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1030 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 491 73 5 EthioNet-AS, ET 37342 437 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 11347 3349 603 Uninet S.A. de C.V., MX 9808 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8321 10784 2955 AMAZON-02, US 12479 7300 1706 140 UNI2-AS, ES 7545 5714 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4829 286 61 ALJAWWALSTC-AS, SA 11492 4523 300 609 CABLEONE, US 18403 4200 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4099 3398 162 AKAMAI-ASN1, NL 7155 4041 282 62 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 9477 9440 CHINAMOBILE-CN China Mobile Communications Grou 12479 7300 7160 UNI2-AS, ES 16509 8321 5366 AMAZON-02, US 7545 5714 5024 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4829 4768 ALJAWWALSTC-AS, SA 18403 4200 4175 FPT-AS-AP FPT Telecom Company, VN 7155 4041 3979 VIASAT-SP-BACKBONE, US 20940 4099 3937 AKAMAI-ASN1, NL 11492 4523 3914 CABLEONE, US 8551 3877 3843 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 23.154.8.0/24 Origin: 52025 PARADOXNETWORKS, GB 23.154.8.0/24 Transit: 34927 IFOG-GMBH, CH 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 /13:579 /14:1198 /15:2089 /16:13431 /17:8148 /18:13722 /19:24791 /20:42960 /21:51007 /22:109132 /23:97776 /24:552182 /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 6380 7300 UNI2-AS, ES 8151 5308 11347 Uninet S.A. de C.V., MX 39891 3628 4829 ALJAWWALSTC-AS, SA 11492 3432 4523 CABLEONE, US 8551 3350 3877 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3526 SHAW, CA 7155 3064 4041 VIASAT-SP-BACKBONE, US 22773 2635 3564 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2502 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2074 3521 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) ---------------------------------------------- 1:2143 2:1309 3:181 4:5 5:4546 6:130 7:6 8:1512 9:1 11:172 12:1536 13:384 14:2295 15:303 16:189 17:373 18:426 20:258 21:4 22:188 23:6284 24:2591 25:6 27:2500 29:19 31:2490 32:77 34:21 35:109 36:1969 37:4656 38:4660 39:845 40:151 41:3898 42:1968 43:2344 44:309 45:16418 46:4321 47:358 49:1742 50:1857 51:576 52:1592 54:392 55:844 56:8 57:116 58:1818 59:1070 60:986 61:2522 62:2708 63:1935 64:5664 65:2324 66:4997 67:2915 68:1344 69:4132 70:1201 71:670 72:2995 74:2603 75:1555 76:607 77:2428 78:1807 79:3176 80:2131 81:1788 82:1489 83:1268 84:1514 85:2983 86:764 87:2019 88:1162 89:3714 90:614 91:7741 92:2061 93:2606 94:3624 95:4041 96:1305 97:336 98:1092 99:745 100:69 101:1309 102:2748 103:31302 104:4679 105:504 106:939 107:2581 108:1039 109:4404 110:2094 111:3111 112:2033 113:1731 114:1645 115:1996 116:1892 117:2536 118:2616 119:2006 120:1797 121:1066 122:2585 123:2127 124:1568 125:2460 128:1405 129:1013 130:1010 131:1985 132:846 133:422 134:1913 135:306 136:879 137:949 138:2580 139:1539 140:1244 141:1429 142:1440 143:1535 144:1153 145:346 146:1938 147:1588 148:2355 149:2238 150:873 151:1151 152:1928 153:491 154:4421 155:1441 156:1785 157:1322 158:1077 159:2234 160:2549 161:1546 162:3527 163:1523 164:1605 165:1782 166:1082 167:1731 168:3866 169:943 170:4579 171:900 172:3561 173:2952 174:1044 175:1167 176:3687 177:4684 178:3584 179:2221 180:2548 181:3496 182:3346 183:2088 184:2339 185:20294 186:4828 187:4042 188:4098 189:3674 190:9167 191:1483 192:10929 193:8868 194:7292 195:5139 196:3194 197:2310 198:5896 199:6087 200:7918 201:5906 202:10341 203:10265 204:4569 205:3619 206:4203 207:3396 208:4084 209:4862 210:4163 211:2430 212:4189 213:3614 214:1077 215:59 216:6648 217:2717 218:1269 219:407 220:1757 221:969 222:710 223:2150 End of report