IPv4 R&E Routing Table Report 23:05 GMT Fri 14 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: 910997 Prefixes after maximum aggregation (per Origin AS): 346539 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447976 Number of IPv4 prefixes with a valid ROA: 388626 Number of IPv4 prefixes with an invalid ROA: 1956 Number of IPv4 prefixes with no ROA: 520415 Total ASes present in the Internet Routing Table: 74140 Prefixes per ASN: 12.29 Origin-only ASes present in the Internet Routing Table: 63673 Origin ASes announcing only one prefix: 26172 Transit ASes present in the Internet Routing Table: 10467 Transit-only ASes present in the Internet Routing Table: 431 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: 1412 Number of instances of unregistered ASNs: 1412 Number of 32-bit ASNs allocated by the RIRs: 41653 Number of 32-bit ASNs visible in the Routing Table: 34405 Prefixes from 32-bit ASNs in the Routing Table: 169281 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: 930 Number of addresses announced to Internet: 3060345600 Equivalent to 182 /8s, 105 /16s and 43 /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: 305911 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235997 Total APNIC prefixes after maximum aggregation: 68343 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 230399 Unique aggregates announced from the APNIC address blocks: 97604 APNIC Region origin ASes present in the Internet Routing Table: 13293 APNIC Prefixes per ASN: 17.33 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: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8648 Number of APNIC addresses announced to Internet: 773012224 Equivalent to 46 /8s, 19 /16s and 59 /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: 267443 Total ARIN prefixes after maximum aggregation: 121573 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269947 Unique aggregates announced from the ARIN address blocks: 130720 ARIN Region origin ASes present in the Internet Routing Table: 19026 ARIN Prefixes per ASN: 14.19 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1897 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: 4770 Number of ARIN addresses announced to Internet: 1284398592 Equivalent to 76 /8s, 142 /16s and 94 /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: 259069 Total RIPE prefixes after maximum aggregation: 121832 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 254998 Unique aggregates announced from the RIPE address blocks: 157535 RIPE Region origin ASes present in the Internet Routing Table: 28278 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 3980 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: 717793792 Equivalent to 42 /8s, 200 /16s and 170 /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: 117506 Total LACNIC prefixes after maximum aggregation: 28159 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116788 Unique aggregates announced from the LACNIC address blocks: 49158 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2278 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: 8778 Number of LACNIC addresses announced to Internet: 176631040 Equivalent to 10 /8s, 135 /16s and 45 /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: 29570 Total AfriNIC prefixes after maximum aggregation: 5787 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 37935 Unique aggregates announced from the AfriNIC address blocks: 12292 AfriNIC Region origin ASes present in the Internet Routing Table: 1735 AfriNIC Prefixes per ASN: 21.86 AfriNIC Region origin ASes announcing only one prefix: 606 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: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1084 Number of AfriNIC addresses announced to Internet: 107791872 Equivalent to 6 /8s, 108 /16s and 198 /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 5727 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 8226 10776 2909 AMAZON-02, US 11492 4542 301 607 CABLEONE, US 7155 3967 279 48 VIASAT-SP-BACKBONE, US 22773 3595 3056 278 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3150 1580 2332 AKAMAI-AS, US 749 3055 50540 2322 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2543 24109 1541 ATT-INTERNET4, US 30036 2493 360 505 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 7234 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4059 3399 163 AKAMAI-ASN1, NL 8551 3889 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 11246 3343 584 Uninet S.A. de C.V., MX 10620 3500 507 851 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 1029 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 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 11246 3343 584 Uninet S.A. de C.V., MX 9808 9460 8704 36 CHINAMOBILE-CN China Mobile Communicati 16509 8226 10776 2909 AMAZON-02, US 12479 7234 1705 149 UNI2-AS, ES 7545 5727 786 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4542 301 607 CABLEONE, US 20940 4059 3399 163 AKAMAI-ASN1, NL 7155 3967 279 48 VIASAT-SP-BACKBONE, US 8551 3889 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 7234 7085 UNI2-AS, ES 16509 8226 5317 AMAZON-02, US 7545 5727 5039 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 4059 3896 AKAMAI-ASN1, NL 8551 3889 3852 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., 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 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 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 /13:575 /14:1196 /15:2067 /16:13437 /17:8163 /18:13695 /19:24796 /20:43053 /21:50876 /22:108885 /23:97240 /24:546536 /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 6294 7234 UNI2-AS, ES 8151 5199 11246 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3451 4542 CABLEONE, US 8551 3361 3889 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3039 3967 VIASAT-SP-BACKBONE, US 22773 2668 3595 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2493 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) ---------------------------------------------- 1:1671 2:1231 3:173 4:5 5:4488 6:128 7:6 8:1514 9:1 11:172 12:1549 13:382 14:2306 15:299 16:183 17:371 18:415 20:255 21:4 22:188 23:6207 24:2572 25:6 27:2492 29:19 31:2525 32:86 34:10 35:104 36:1943 37:4646 38:4436 39:811 40:151 41:3989 42:975 43:2320 44:308 45:16483 46:4241 47:356 49:1736 50:1822 51:571 52:1589 54:388 55:857 56:8 57:113 58:1684 59:1071 60:972 61:2466 62:2646 63:1922 64:5665 65:2318 66:4915 67:3012 68:1366 69:4150 70:1248 71:672 72:2969 74:2612 75:1466 76:606 77:2417 78:1849 79:3165 80:2098 81:1743 82:1481 83:1275 84:1514 85:2991 86:758 87:1985 88:1230 89:3604 90:612 91:7683 92:2062 93:2617 94:3595 95:3994 96:1328 97:336 98:1157 99:744 100:72 101:1303 102:2696 103:31204 104:4630 105:484 106:894 107:2525 108:1022 109:4414 110:2075 111:3187 112:2054 113:1498 114:1639 115:2008 116:1909 117:2559 118:2276 119:2007 120:1767 121:1047 122:2597 123:2110 124:1574 125:2470 128:1254 129:1046 130:1007 131:1976 132:842 133:422 134:1899 135:304 136:880 137:944 138:2554 139:1554 140:1230 141:1460 142:1425 143:1485 144:1159 145:347 146:1925 147:1566 148:2313 149:2077 150:869 151:1162 152:1957 153:488 154:4365 155:1435 156:1788 157:1309 158:1052 159:2285 160:2532 161:1515 162:3510 163:1497 164:1612 165:1724 166:1009 167:1737 168:3848 169:933 170:4600 171:876 172:3557 173:2930 174:1069 175:1158 176:3660 177:4576 178:3576 179:2149 180:2451 181:3422 182:3336 183:1931 184:2355 185:20175 186:4756 187:3962 188:4080 189:3530 190:9100 191:1432 192:10900 193:8849 194:7309 195:5142 196:3173 197:2396 198:5883 199:6090 200:7882 201:5846 202:10314 203:10196 204:4591 205:3548 206:4075 207:3397 208:4066 209:4840 210:4167 211:2393 212:4110 213:3552 214:1085 215:59 216:6610 217:2694 218:1267 219:406 220:1763 221:969 222:711 223:2152 End of report