IPv4 R&E Routing Table Report 23:05 GMT Fri 03 Mar, 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: 907017 Prefixes after maximum aggregation (per Origin AS): 345156 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 445917 Number of IPv4 prefixes with a valid ROA: 376490 Number of IPv4 prefixes with an invalid ROA: 1610 Number of IPv4 prefixes with no ROA: 528917 Total ASes present in the Internet Routing Table: 73963 Prefixes per ASN: 12.26 Origin-only ASes present in the Internet Routing Table: 63514 Origin ASes announcing only one prefix: 26079 Transit ASes present in the Internet Routing Table: 10449 Transit-only ASes present in the Internet Routing Table: 444 Paths with bogon ASNs present in the IPv4 Routing Table: 29 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 91 Max AS path prepend of ASN (270548) 83 Prefixes from unregistered ASNs in the Routing Table: 1048 Number of instances of unregistered ASNs: 1064 Number of 32-bit ASNs allocated by the RIRs: 41344 Number of 32-bit ASNs visible in the Routing Table: 34187 Prefixes from 32-bit ASNs in the Routing Table: 167108 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 527 Number of addresses announced to Internet: 3061987328 Equivalent to 182 /8s, 130 /16s and 56 /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: 305083 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235268 Total APNIC prefixes after maximum aggregation: 68185 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 229968 Unique aggregates announced from the APNIC address blocks: 97743 APNIC Region origin ASes present in the Internet Routing Table: 13232 APNIC Prefixes per ASN: 17.38 APNIC Region origin ASes announcing only one prefix: 3847 APNIC Region transit ASes present in the Internet Routing Table: 1788 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8577 Number of APNIC addresses announced to Internet: 773087232 Equivalent to 46 /8s, 20 /16s and 96 /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: 266627 Total ARIN prefixes after maximum aggregation: 121187 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268684 Unique aggregates announced from the ARIN address blocks: 130175 ARIN Region origin ASes present in the Internet Routing Table: 18996 ARIN Prefixes per ASN: 14.14 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1889 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: 4729 Number of ARIN addresses announced to Internet: 1286122496 Equivalent to 76 /8s, 168 /16s and 172 /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: 257352 Total RIPE prefixes after maximum aggregation: 121143 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 253635 Unique aggregates announced from the RIPE address blocks: 156504 RIPE Region origin ASes present in the Internet Routing Table: 28213 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12003 RIPE Region transit ASes present in the Internet Routing Table: 3969 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11040 Number of RIPE addresses announced to Internet: 718391808 Equivalent to 42 /8s, 209 /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: 117286 Total LACNIC prefixes after maximum aggregation: 28162 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116615 Unique aggregates announced from the LACNIC address blocks: 48851 LACNIC Region origin ASes present in the Internet Routing Table: 10967 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2267 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 91 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8769 Number of LACNIC addresses announced to Internet: 176507136 Equivalent to 10 /8s, 133 /16s and 73 /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: 29436 Total AfriNIC prefixes after maximum aggregation: 5708 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 37588 Unique aggregates announced from the AfriNIC address blocks: 12226 AfriNIC Region origin ASes present in the Internet Routing Table: 1725 AfriNIC Prefixes per ASN: 21.79 AfriNIC Region origin ASes announcing only one prefix: 598 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1072 Number of AfriNIC addresses announced to Internet: 107552256 Equivalent to 6 /8s, 105 /16s and 30 /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 9452 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5798 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3681 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3546 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3372 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2798 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2358 836 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2172 440 217 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 8062 10757 2859 AMAZON-02, US 11492 4512 299 640 CABLEONE, US 7155 3958 270 43 VIASAT-SP-BACKBONE, US 22773 3647 3064 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3505 1320 64 SHAW, CA 16625 3295 1653 2426 AKAMAI-AS, US 749 3039 50554 2306 DNIC-AS-00749, US 396982 2620 3586 356 GOOGLE-CLOUD-PLATFORM, US 7018 2571 24120 1578 ATT-INTERNET4, US 30036 2540 364 392 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 7063 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4041 3399 163 AKAMAI-ASN1, NL 8551 3900 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2292 911 ROSTELECOM-AS, RU 9009 2661 252 1379 M247, RO 34984 2264 359 608 TELLCOM-AS, TR 6849 2164 339 19 UKRTELNET, UA 58224 1846 949 546 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 11223 3349 585 Uninet S.A. de C.V., MX 10620 3466 504 876 Telmex Colombia S.A., CO 13999 2266 369 600 Mega Cable, S.A. de C.V., MX 11830 2262 369 64 Instituto Costarricense de Electricidad 28573 1340 2325 254 Claro NXT Telecomunicacoes Ltda, BR 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 3816 1298 757 159 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1096 180 459 Techtel LMDS Comunicaciones Interactiva 26615 1027 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 1551 393 19 LINKdotNET-AS, EG 24835 1528 533 30 RAYA-AS, EG 36992 1345 1517 276 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1010 67 53 ORANGE-COTE-IVOIRE, CI 36935 854 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 528 54 46 WANANCHI-, KE 24757 493 73 5 EthioNet-AS, ET 37342 493 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 11223 3349 585 Uninet S.A. de C.V., MX 9808 9452 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8062 10757 2859 AMAZON-02, US 12479 7063 1706 146 UNI2-AS, ES 7545 5798 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4512 299 640 CABLEONE, US 20940 4041 3399 163 AKAMAI-ASN1, NL 7155 3958 270 43 VIASAT-SP-BACKBONE, US 8551 3900 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 9452 9404 CHINAMOBILE-CN China Mobile Communications Grou 12479 7063 6917 UNI2-AS, ES 16509 8062 5203 AMAZON-02, US 7545 5798 5107 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 4503 ALJAWWALSTC-AS, SA 7155 3958 3915 VIASAT-SP-BACKBONE, US 20940 4041 3878 AKAMAI-ASN1, NL 11492 4512 3872 CABLEONE, US 8551 3900 3863 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3681 3660 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 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 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, 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 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 /11:103 /12:299 /13:577 /14:1200 /15:2073 /16:13424 /17:8187 /18:13706 /19:24781 /20:42886 /21:50943 /22:108915 /23:96836 /24:543011 /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 6120 7063 UNI2-AS, ES 8151 5224 11223 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3428 4512 CABLEONE, US 8551 3372 3900 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3313 3505 SHAW, CA 7155 3035 3958 VIASAT-SP-BACKBONE, US 22773 2697 3647 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2197 2540 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2020 3466 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) ---------------------------------------------- 1:1651 2:1231 3:168 4:5 5:4337 6:117 7:6 8:1517 9:1 11:172 12:1583 13:391 14:2331 15:293 16:111 17:367 18:399 20:249 21:4 22:188 23:6083 24:2474 25:4 27:2525 29:19 31:2506 32:107 34:8 35:104 36:1932 37:4606 38:4277 39:865 40:152 41:4060 42:1081 43:2303 44:304 45:16353 46:4152 47:373 49:1730 50:1818 51:386 52:1589 54:388 55:763 56:8 57:91 58:1670 59:1115 60:982 61:2454 62:2634 63:1938 64:5618 65:2317 66:4904 67:3026 68:1350 69:4129 70:1268 71:664 72:2973 74:2589 75:1457 76:599 77:2407 78:1835 79:3173 80:2068 81:1725 82:1505 83:1232 84:1515 85:3010 86:756 87:1955 88:1237 89:3610 90:610 91:7663 92:2015 93:2576 94:3502 95:3951 96:1328 97:331 98:1165 99:746 100:77 101:1293 102:2659 103:30984 104:4573 105:483 106:900 107:2541 108:926 109:4340 110:2091 111:3272 112:2038 113:1493 114:1619 115:2016 116:1890 117:2567 118:2276 119:1951 120:1741 121:1046 122:2578 123:2138 124:1544 125:2363 128:1273 129:1057 130:987 131:2008 132:820 133:421 134:1904 135:299 136:863 137:934 138:2577 139:1544 140:1194 141:1470 142:1417 143:1488 144:1206 145:356 146:1887 147:1555 148:2285 149:1921 150:917 151:1143 152:1956 153:487 154:4216 155:1428 156:1668 157:1294 158:1015 159:2265 160:2567 161:1441 162:3547 163:1486 164:1586 165:1690 166:847 167:1738 168:3811 169:921 170:4577 171:884 172:3504 173:2955 174:1012 175:1158 176:3726 177:4637 178:3612 179:2202 180:2419 181:3413 182:3391 183:1938 184:2350 185:20074 186:4713 187:3975 188:4115 189:3610 190:9061 191:1461 192:10936 193:8809 194:7222 195:5111 196:3156 197:2403 198:5892 199:6083 200:7690 201:5859 202:10265 203:10145 204:4591 205:3517 206:3785 207:3385 208:4065 209:4844 210:4176 211:2385 212:4102 213:3548 214:1094 215:55 216:6587 217:2650 218:1265 219:409 220:1764 221:971 222:670 223:2118 End of report