IPv4 R&E Routing Table Report 23:05 GMT Mon 06 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: 906932 Prefixes after maximum aggregation (per Origin AS): 345400 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 445904 Number of IPv4 prefixes with a valid ROA: 376618 Number of IPv4 prefixes with an invalid ROA: 1681 Number of IPv4 prefixes with no ROA: 528633 Total ASes present in the Internet Routing Table: 73945 Prefixes per ASN: 12.26 Origin-only ASes present in the Internet Routing Table: 63495 Origin ASes announcing only one prefix: 26092 Transit ASes present in the Internet Routing Table: 10450 Transit-only ASes present in the Internet Routing Table: 437 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: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1083 Number of instances of unregistered ASNs: 1099 Number of 32-bit ASNs allocated by the RIRs: 41374 Number of 32-bit ASNs visible in the Routing Table: 34168 Prefixes from 32-bit ASNs in the Routing Table: 167056 Number of bogon 32-bit ASNs visible in the Routing Table: 38 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 523 Number of addresses announced to Internet: 3062406912 Equivalent to 182 /8s, 136 /16s and 159 /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: 304844 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235251 Total APNIC prefixes after maximum aggregation: 68193 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 229951 Unique aggregates announced from the APNIC address blocks: 97817 APNIC Region origin ASes present in the Internet Routing Table: 13224 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 3844 APNIC Region transit ASes present in the Internet Routing Table: 1784 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: 8566 Number of APNIC addresses announced to Internet: 773163008 Equivalent to 46 /8s, 21 /16s and 136 /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: 266718 Total ARIN prefixes after maximum aggregation: 121222 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 268790 Unique aggregates announced from the ARIN address blocks: 130193 ARIN Region origin ASes present in the Internet Routing Table: 19003 ARIN Prefixes per ASN: 14.14 ARIN Region origin ASes announcing only one prefix: 6980 ARIN Region transit ASes present in the Internet Routing Table: 1893 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: 4734 Number of ARIN addresses announced to Internet: 1286048256 Equivalent to 76 /8s, 167 /16s and 138 /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: 257211 Total RIPE prefixes after maximum aggregation: 121196 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 253479 Unique aggregates announced from the RIPE address blocks: 156457 RIPE Region origin ASes present in the Internet Routing Table: 28211 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12011 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: 11038 Number of RIPE addresses announced to Internet: 718338560 Equivalent to 42 /8s, 208 /16s and 250 /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: 117233 Total LACNIC prefixes after maximum aggregation: 28198 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116607 Unique aggregates announced from the LACNIC address blocks: 48883 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2266 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: 8772 Number of LACNIC addresses announced to Internet: 176500736 Equivalent to 10 /8s, 133 /16s and 48 /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: 5809 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 37582 Unique aggregates announced from the AfriNIC address blocks: 12140 AfriNIC Region origin ASes present in the Internet Routing Table: 1712 AfriNIC Prefixes per ASN: 21.95 AfriNIC Region origin ASes announcing only one prefix: 583 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 1058 Number of AfriNIC addresses announced to Internet: 108046848 Equivalent to 6 /8s, 112 /16s and 170 /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 9453 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5793 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3681 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3544 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3371 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2812 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2359 834 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2173 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 8077 10760 2864 AMAZON-02, US 11492 4526 300 616 CABLEONE, US 7155 3958 270 43 VIASAT-SP-BACKBONE, US 22773 3641 3064 287 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3505 1320 64 SHAW, CA 16625 3283 1646 2424 AKAMAI-AS, US 749 3038 50552 2305 DNIC-AS-00749, US 396982 2620 3586 356 GOOGLE-CLOUD-PLATFORM, US 7018 2566 24120 1574 ATT-INTERNET4, US 30036 2524 362 448 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 7066 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4032 3399 163 AKAMAI-ASN1, NL 8551 3899 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2292 911 ROSTELECOM-AS, RU 9009 2640 251 1380 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 11235 3349 586 Uninet S.A. de C.V., MX 10620 3435 500 921 Telmex Colombia S.A., CO 13999 2267 369 601 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1340 2325 254 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 759 160 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 6147 1129 370 22 Telefonica del Peru S.A.A., PE 11664 1096 180 459 Techtel LMDS Comunicaciones Interactiva 26615 1028 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 1550 393 19 LINKdotNET-AS, EG 24835 1528 533 30 RAYA-AS, EG 36992 1351 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 67 53 ORANGE-COTE-IVOIRE, CI 36935 854 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 529 54 47 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 11235 3349 586 Uninet S.A. de C.V., MX 9808 9453 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8077 10760 2864 AMAZON-02, US 12479 7066 1706 146 UNI2-AS, ES 7545 5793 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4526 300 616 CABLEONE, US 20940 4032 3399 163 AKAMAI-ASN1, NL 7155 3958 270 43 VIASAT-SP-BACKBONE, US 8551 3899 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 9453 9405 CHINAMOBILE-CN China Mobile Communications Grou 12479 7066 6920 UNI2-AS, ES 16509 8077 5213 AMAZON-02, US 7545 5793 5102 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 4503 ALJAWWALSTC-AS, SA 7155 3958 3915 VIASAT-SP-BACKBONE, US 11492 4526 3910 CABLEONE, US 20940 4032 3869 AKAMAI-ASN1, NL 8551 3899 3862 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 /13:575 /14:1197 /15:2073 /16:13425 /17:8197 /18:13718 /19:24804 /20:42938 /21:50963 /22:108962 /23:96879 /24:542723 /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 6123 7066 UNI2-AS, ES 8151 5235 11235 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3437 4526 CABLEONE, US 8551 3371 3899 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3313 3505 SHAW, CA 7155 3035 3958 VIASAT-SP-BACKBONE, US 22773 2695 3641 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2181 2524 MEDIACOM-ENTERPRISE-BUSINESS, US 6849 2008 2164 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1661 2:1225 3:168 4:5 5:4321 6:118 7:6 8:1517 9:1 11:172 12:1580 13:394 14:2331 15:293 16:111 17:366 18:399 20:249 21:4 22:188 23:6089 24:2478 25:4 27:2526 29:19 31:2513 32:107 34:8 35:104 36:1928 37:4604 38:4302 39:866 40:151 41:4023 42:1086 43:2308 44:307 45:16341 46:4157 47:374 49:1731 50:1817 51:386 52:1587 54:388 55:777 56:8 57:91 58:1670 59:1115 60:979 61:2455 62:2628 63:1934 64:5637 65:2318 66:4905 67:3030 68:1351 69:4128 70:1268 71:664 72:2974 74:2590 75:1456 76:601 77:2407 78:1837 79:3164 80:2057 81:1721 82:1505 83:1231 84:1511 85:3008 86:754 87:1944 88:1234 89:3593 90:609 91:7656 92:2015 93:2574 94:3504 95:3943 96:1329 97:331 98:1162 99:746 100:77 101:1293 102:2664 103:30983 104:4577 105:467 106:900 107:2554 108:931 109:4384 110:2091 111:3267 112:2039 113:1493 114:1619 115:2018 116:1900 117:2564 118:2277 119:1959 120:1741 121:1045 122:2585 123:2140 124:1544 125:2375 128:1273 129:1058 130:987 131:1999 132:820 133:421 134:1905 135:299 136:867 137:940 138:2575 139:1544 140:1193 141:1466 142:1427 143:1481 144:1205 145:354 146:1891 147:1560 148:2286 149:1917 150:917 151:1140 152:1958 153:487 154:4219 155:1427 156:1671 157:1299 158:1015 159:2263 160:2567 161:1442 162:3534 163:1485 164:1590 165:1690 166:848 167:1736 168:3793 169:923 170:4567 171:884 172:3515 173:2930 174:1012 175:1151 176:3724 177:4589 178:3623 179:2170 180:2420 181:3402 182:3311 183:1939 184:2345 185:20080 186:4683 187:3970 188:4029 189:3602 190:9087 191:1469 192:10937 193:8806 194:7232 195:5108 196:3152 197:2397 198:5888 199:6087 200:7690 201:5860 202:10278 203:10145 204:4592 205:3515 206:3777 207:3386 208:4057 209:4841 210:4179 211:2385 212:4094 213:3545 214:1097 215:55 216:6589 217:2647 218:1265 219:408 220:1764 221:971 222:670 223:2118 End of report