IPv4 R&E Routing Table Report 23:05 GMT Sun 16 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: 911114 Prefixes after maximum aggregation (per Origin AS): 346704 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448077 Number of IPv4 prefixes with a valid ROA: 388544 Number of IPv4 prefixes with an invalid ROA: 1971 Number of IPv4 prefixes with no ROA: 520599 Total ASes present in the Internet Routing Table: 74150 Prefixes per ASN: 12.29 Origin-only ASes present in the Internet Routing Table: 63668 Origin ASes announcing only one prefix: 26173 Transit ASes present in the Internet Routing Table: 10482 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: 1385 Number of instances of unregistered ASNs: 1385 Number of 32-bit ASNs allocated by the RIRs: 41678 Number of 32-bit ASNs visible in the Routing Table: 34407 Prefixes from 32-bit ASNs in the Routing Table: 169383 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: 929 Number of addresses announced to Internet: 3060317184 Equivalent to 182 /8s, 104 /16s and 188 /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: 306033 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236045 Total APNIC prefixes after maximum aggregation: 68364 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 230444 Unique aggregates announced from the APNIC address blocks: 97591 APNIC Region origin ASes present in the Internet Routing Table: 13298 APNIC Prefixes per ASN: 17.33 APNIC Region origin ASes announcing only one prefix: 3901 APNIC Region transit ASes present in the Internet Routing Table: 1787 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: 8655 Number of APNIC addresses announced to Internet: 773004288 Equivalent to 46 /8s, 19 /16s and 28 /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: 267576 Total ARIN prefixes after maximum aggregation: 121636 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270053 Unique aggregates announced from the ARIN address blocks: 130741 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 14.19 ARIN Region origin ASes announcing only one prefix: 6969 ARIN Region transit ASes present in the Internet Routing Table: 1900 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: 4769 Number of ARIN addresses announced to Internet: 1284355840 Equivalent to 76 /8s, 141 /16s and 183 /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: 259172 Total RIPE prefixes after maximum aggregation: 121909 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 255091 Unique aggregates announced from the RIPE address blocks: 157590 RIPE Region origin ASes present in the Internet Routing Table: 28288 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12045 RIPE Region transit ASes present in the Internet Routing Table: 3982 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: 11125 Number of RIPE addresses announced to Internet: 717871616 Equivalent to 42 /8s, 201 /16s and 218 /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: 117467 Total LACNIC prefixes after maximum aggregation: 28177 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116757 Unique aggregates announced from the LACNIC address blocks: 49197 LACNIC Region origin ASes present in the Internet Routing Table: 10974 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2652 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: 8775 Number of LACNIC addresses announced to Internet: 176620032 Equivalent to 10 /8s, 135 /16s and 2 /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: 29469 Total AfriNIC prefixes after maximum aggregation: 5798 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 37840 Unique aggregates announced from the AfriNIC address blocks: 12293 AfriNIC Region origin ASes present in the Internet Routing Table: 1734 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 606 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: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1083 Number of AfriNIC addresses announced to Internet: 107747840 Equivalent to 6 /8s, 108 /16s and 26 /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 9460 8704 36 CHINAMOBILE-CN China Mobile Communicati 7545 5728 786 688 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3677 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3559 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3388 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2935 491 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2375 836 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2171 439 213 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 8224 10776 2918 AMAZON-02, US 11492 4542 301 607 CABLEONE, US 7155 3967 279 48 VIASAT-SP-BACKBONE, US 22773 3597 3056 278 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3149 1580 2331 AKAMAI-AS, US 749 3055 50540 2322 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2565 24117 1562 ATT-INTERNET4, US 30036 2494 360 500 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 7237 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4060 3399 163 AKAMAI-ASN1, NL 8551 3890 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2892 2292 909 ROSTELECOM-AS, RU 9009 2662 249 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 11242 3343 588 Uninet S.A. de C.V., MX 10620 3500 507 851 Telmex Colombia S.A., CO 13999 2317 355 614 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 1030 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 550 1861 34 IAM-AS, MA 15399 535 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 485 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 11242 3343 588 Uninet S.A. de C.V., MX 9808 9460 8704 36 CHINAMOBILE-CN China Mobile Communicati 16509 8224 10776 2918 AMAZON-02, US 12479 7237 1705 149 UNI2-AS, ES 7545 5728 786 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4542 301 607 CABLEONE, US 20940 4060 3399 163 AKAMAI-ASN1, NL 7155 3967 279 48 VIASAT-SP-BACKBONE, US 8551 3890 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 9460 9424 CHINAMOBILE-CN China Mobile Communications Grou 12479 7237 7088 UNI2-AS, ES 16509 8224 5306 AMAZON-02, US 7545 5728 5040 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 4060 3897 AKAMAI-ASN1, NL 8551 3890 3853 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3677 3656 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 3356 LEVEL3, US 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 /16:13413 /17:8159 /18:13692 /19:24793 /20:43056 /21:50867 /22:108904 /23:97259 /24:546655 /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 6297 7237 UNI2-AS, ES 8151 5197 11242 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3451 4542 CABLEONE, US 8551 3362 3890 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3039 3967 VIASAT-SP-BACKBONE, US 22773 2670 3597 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2054 3500 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) ---------------------------------------------- 1:1665 2:1245 3:173 4:5 5:4487 6:128 7:6 8:1513 9:1 11:172 12:1550 13:391 14:2313 15:299 16:183 17:371 18:413 20:256 21:4 22:188 23:6219 24:2572 25:6 27:2488 29:19 31:2523 32:86 34:10 35:104 36:1943 37:4652 38:4430 39:817 40:151 41:3966 42:975 43:2319 44:308 45:16494 46:4247 47:356 49:1735 50:1825 51:571 52:1588 54:385 55:856 56:8 57:113 58:1684 59:1108 60:972 61:2472 62:2644 63:1922 64:5669 65:2316 66:4928 67:3011 68:1374 69:4155 70:1248 71:672 72:2976 74:2613 75:1466 76:607 77:2417 78:1848 79:3170 80:2100 81:1744 82:1483 83:1275 84:1514 85:2990 86:763 87:1985 88:1232 89:3610 90:613 91:7688 92:2068 93:2617 94:3595 95:3997 96:1328 97:336 98:1157 99:745 100:72 101:1301 102:2696 103:31216 104:4628 105:484 106:897 107:2524 108:1018 109:4415 110:2076 111:3187 112:2055 113:1495 114:1638 115:2007 116:1909 117:2559 118:2276 119:2007 120:1767 121:1046 122:2599 123:2110 124:1574 125:2468 128:1256 129:1046 130:1003 131:1978 132:843 133:422 134:1899 135:304 136:879 137:946 138:2558 139:1554 140:1232 141:1459 142:1425 143:1495 144:1157 145:347 146:1926 147:1565 148:2300 149:2074 150:866 151:1151 152:1956 153:488 154:4371 155:1433 156:1786 157:1311 158:1052 159:2285 160:2533 161:1515 162:3510 163:1505 164:1609 165:1724 166:1016 167:1739 168:3842 169:931 170:4609 171:878 172:3559 173:2931 174:1069 175:1158 176:3659 177:4564 178:3577 179:2153 180:2454 181:3427 182:3333 183:1931 184:2356 185:20173 186:4760 187:3957 188:4079 189:3527 190:9099 191:1433 192:10901 193:8851 194:7307 195:5136 196:3165 197:2375 198:5882 199:6090 200:7856 201:5848 202:10313 203:10192 204:4588 205:3551 206:4074 207:3392 208:4069 209:4843 210:4167 211:2393 212:4115 213:3573 214:1085 215:59 216:6634 217:2695 218:1259 219:406 220:1763 221:969 222:709 223:2153 End of report