IPv4 R&E Routing Table Report 23:05 GMT Mon 17 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: 910981 Prefixes after maximum aggregation (per Origin AS): 346651 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448118 Number of IPv4 prefixes with a valid ROA: 388968 Number of IPv4 prefixes with an invalid ROA: 1968 Number of IPv4 prefixes with no ROA: 520045 Total ASes present in the Internet Routing Table: 74149 Prefixes per ASN: 12.29 Origin-only ASes present in the Internet Routing Table: 63662 Origin ASes announcing only one prefix: 26180 Transit ASes present in the Internet Routing Table: 10487 Transit-only ASes present in the Internet Routing Table: 430 Paths with bogon ASNs present in the IPv4 Routing Table: 29 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1374 Number of instances of unregistered ASNs: 1374 Number of 32-bit ASNs allocated by the RIRs: 41678 Number of 32-bit ASNs visible in the Routing Table: 34411 Prefixes from 32-bit ASNs in the Routing Table: 169474 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 916 Number of addresses announced to Internet: 3060172800 Equivalent to 182 /8s, 102 /16s and 136 /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: 306031 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236012 Total APNIC prefixes after maximum aggregation: 68368 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 230370 Unique aggregates announced from the APNIC address blocks: 97664 APNIC Region origin ASes present in the Internet Routing Table: 13301 APNIC Prefixes per ASN: 17.32 APNIC Region origin ASes announcing only one prefix: 3899 APNIC Region transit ASes present in the Internet Routing Table: 1790 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8657 Number of APNIC addresses announced to Internet: 772937728 Equivalent to 46 /8s, 18 /16s and 24 /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: 267384 Total ARIN prefixes after maximum aggregation: 121618 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269849 Unique aggregates announced from the ARIN address blocks: 130704 ARIN Region origin ASes present in the Internet Routing Table: 19029 ARIN Prefixes per ASN: 14.18 ARIN Region origin ASes announcing only one prefix: 6972 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: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4771 Number of ARIN addresses announced to Internet: 1284328192 Equivalent to 76 /8s, 141 /16s and 75 /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: 259148 Total RIPE prefixes after maximum aggregation: 121875 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 255077 Unique aggregates announced from the RIPE address blocks: 157567 RIPE Region origin ASes present in the Internet Routing Table: 28284 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3981 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: 11126 Number of RIPE addresses announced to Internet: 717823232 Equivalent to 42 /8s, 201 /16s and 29 /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: 117539 Total LACNIC prefixes after maximum aggregation: 28181 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116818 Unique aggregates announced from the LACNIC address blocks: 49231 LACNIC Region origin ASes present in the Internet Routing Table: 10980 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2661 LACNIC Region transit ASes present in the Internet Routing Table: 2285 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: 8777 Number of LACNIC addresses announced to Internet: 176619008 Equivalent to 10 /8s, 134 /16s and 254 /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: 29524 Total AfriNIC prefixes after maximum aggregation: 5793 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37951 Unique aggregates announced from the AfriNIC address blocks: 12300 AfriNIC Region origin ASes present in the Internet Routing Table: 1732 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 605 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1080 Number of AfriNIC addresses announced to Internet: 107753216 Equivalent to 6 /8s, 108 /16s and 47 /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 9458 8704 36 CHINAMOBILE-CN China Mobile Communicati 7545 5724 786 688 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3676 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3559 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3389 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2935 491 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2377 834 444 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2172 439 212 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 8226 10775 2914 AMAZON-02, US 11492 4542 301 607 CABLEONE, US 7155 3967 279 48 VIASAT-SP-BACKBONE, US 22773 3596 3056 278 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3141 1567 2337 AKAMAI-AS, US 749 3055 50540 2322 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2565 24117 1563 ATT-INTERNET4, US 30036 2493 360 496 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 7240 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4062 3399 163 AKAMAI-ASN1, NL 8551 3891 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2893 2292 909 ROSTELECOM-AS, RU 9009 2662 250 1387 M247, RO 34984 2271 359 611 TELLCOM-AS, TR 6849 2017 307 18 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1606 100 26 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 11253 3343 588 Uninet S.A. de C.V., MX 10620 3498 506 850 Telmex Colombia S.A., CO 13999 2318 356 615 Mega Cable, S.A. de C.V., MX 11830 2263 369 64 Instituto Costarricense de Electricidad 28573 1332 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 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1101 180 448 Techtel LMDS Comunicaciones Interactiva 26615 1031 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 1578 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1023 67 48 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 535 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 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 11253 3343 588 Uninet S.A. de C.V., MX 9808 9458 8704 36 CHINAMOBILE-CN China Mobile Communicati 16509 8226 10775 2914 AMAZON-02, US 12479 7240 1705 149 UNI2-AS, ES 7545 5724 786 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4542 301 607 CABLEONE, US 20940 4062 3399 163 AKAMAI-ASN1, NL 7155 3967 279 48 VIASAT-SP-BACKBONE, US 8551 3891 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 9458 9422 CHINAMOBILE-CN China Mobile Communications Grou 12479 7240 7091 UNI2-AS, ES 16509 8226 5312 AMAZON-02, US 7545 5724 5036 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4542 3935 CABLEONE, US 7155 3967 3919 VIASAT-SP-BACKBONE, US 20940 4062 3899 AKAMAI-ASN1, NL 8551 3891 3854 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3676 3655 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., 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 23.131.185.0/24 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 /13:575 /14:1196 /15:2067 /16:13412 /17:8157 /18:13690 /19:24779 /20:43044 /21:50885 /22:108914 /23:97239 /24:546545 /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 6300 7240 UNI2-AS, ES 8151 5208 11253 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3451 4542 CABLEONE, US 8551 3363 3891 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3039 3967 VIASAT-SP-BACKBONE, US 22773 2669 3596 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2052 3498 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) ---------------------------------------------- 1:1670 2:1255 3:175 4:5 5:4486 6:127 7:6 8:1513 9:1 11:172 12:1549 13:391 14:2314 15:299 16:183 17:369 18:413 20:256 21:4 22:188 23:6232 24:2570 25:6 27:2488 29:19 31:2523 32:86 34:10 35:104 36:1943 37:4646 38:4432 39:819 40:151 41:3974 42:975 43:2321 44:309 45:16485 46:4242 47:356 49:1733 50:1820 51:571 52:1588 54:390 55:801 56:8 57:113 58:1684 59:1103 60:973 61:2472 62:2645 63:1922 64:5662 65:2315 66:4923 67:3004 68:1374 69:4154 70:1248 71:672 72:2972 74:2614 75:1465 76:607 77:2418 78:1851 79:3169 80:2100 81:1745 82:1483 83:1274 84:1517 85:2990 86:763 87:1983 88:1231 89:3611 90:613 91:7701 92:2062 93:2621 94:3594 95:4001 96:1327 97:336 98:1155 99:744 100:72 101:1302 102:2682 103:31216 104:4629 105:484 106:897 107:2526 108:1018 109:4414 110:2074 111:3093 112:2055 113:1498 114:1639 115:2007 116:1907 117:2559 118:2274 119:2006 120:1767 121:1043 122:2603 123:2112 124:1574 125:2469 128:1244 129:1046 130:1003 131:1981 132:841 133:422 134:1899 135:305 136:878 137:948 138:2547 139:1553 140:1232 141:1459 142:1425 143:1510 144:1158 145:347 146:1927 147:1568 148:2313 149:2077 150:871 151:1151 152:1930 153:488 154:4423 155:1433 156:1789 157:1310 158:1050 159:2287 160:2537 161:1508 162:3509 163:1503 164:1607 165:1722 166:1020 167:1739 168:3853 169:931 170:4603 171:879 172:3557 173:2924 174:1069 175:1159 176:3664 177:4580 178:3572 179:2139 180:2458 181:3428 182:3336 183:1931 184:2354 185:20171 186:4759 187:3952 188:4085 189:3528 190:9116 191:1436 192:10894 193:8852 194:7299 195:5142 196:3170 197:2395 198:5874 199:6088 200:7874 201:5850 202:10311 203:10182 204:4588 205:3518 206:4081 207:3382 208:4071 209:4842 210:4168 211:2393 212:4118 213:3569 214:1085 215:59 216:6635 217:2697 218:1259 219:406 220:1760 221:969 222:709 223:2152 End of report