IPv4 R&E Routing Table Report 23:05 GMT Mon 03 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: 910147 Prefixes after maximum aggregation (per Origin AS): 346249 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447537 Number of IPv4 prefixes with a valid ROA: 382415 Number of IPv4 prefixes with an invalid ROA: 1639 Number of IPv4 prefixes with no ROA: 526093 Total ASes present in the Internet Routing Table: 74119 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 63659 Origin ASes announcing only one prefix: 26186 Transit ASes present in the Internet Routing Table: 10460 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 52 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1180 Number of instances of unregistered ASNs: 1180 Number of 32-bit ASNs allocated by the RIRs: 41587 Number of 32-bit ASNs visible in the Routing Table: 34367 Prefixes from 32-bit ASNs in the Routing Table: 168670 Number of bogon 32-bit ASNs visible in the Routing Table: 49 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 495 Number of addresses announced to Internet: 3061083392 Equivalent to 182 /8s, 116 /16s and 109 /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: 305980 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236218 Total APNIC prefixes after maximum aggregation: 68333 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 230922 Unique aggregates announced from the APNIC address blocks: 98028 APNIC Region origin ASes present in the Internet Routing Table: 13303 APNIC Prefixes per ASN: 17.36 APNIC Region origin ASes announcing only one prefix: 3910 APNIC Region transit ASes present in the Internet Routing Table: 1789 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: 8656 Number of APNIC addresses announced to Internet: 773169664 Equivalent to 46 /8s, 21 /16s and 162 /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: 267300 Total ARIN prefixes after maximum aggregation: 121421 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269686 Unique aggregates announced from the ARIN address blocks: 130443 ARIN Region origin ASes present in the Internet Routing Table: 19020 ARIN Prefixes per ASN: 14.18 ARIN Region origin ASes announcing only one prefix: 6976 ARIN Region transit ASes present in the Internet Routing Table: 1892 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: 4754 Number of ARIN addresses announced to Internet: 1285234944 Equivalent to 76 /8s, 155 /16s and 33 /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: 258753 Total RIPE prefixes after maximum aggregation: 121758 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 254745 Unique aggregates announced from the RIPE address blocks: 157369 RIPE Region origin ASes present in the Internet Routing Table: 28273 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12038 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: 11106 Number of RIPE addresses announced to Internet: 717991936 Equivalent to 42 /8s, 203 /16s and 176 /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: 117293 Total LACNIC prefixes after maximum aggregation: 28196 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 116691 Unique aggregates announced from the LACNIC address blocks: 49072 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: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2268 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: 176629760 Equivalent to 10 /8s, 135 /16s and 40 /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: 29403 Total AfriNIC prefixes after maximum aggregation: 5771 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 37608 Unique aggregates announced from the AfriNIC address blocks: 12228 AfriNIC Region origin ASes present in the Internet Routing Table: 1727 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 600 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: 1076 Number of AfriNIC addresses announced to Internet: 107699456 Equivalent to 6 /8s, 107 /16s and 93 /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 9497 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5749 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3687 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3543 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3381 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2903 491 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2363 836 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2308 11250 588 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 8232 10776 2887 AMAZON-02, US 11492 4537 300 622 CABLEONE, US 7155 3965 279 48 VIASAT-SP-BACKBONE, US 22773 3612 3061 287 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3148 1579 2332 AKAMAI-AS, US 749 3054 50541 2321 DNIC-AS-00749, US 396982 2626 3588 360 GOOGLE-CLOUD-PLATFORM, US 7018 2569 24118 1578 ATT-INTERNET4, US 30036 2486 359 539 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 7262 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4054 3399 163 AKAMAI-ASN1, NL 8551 3887 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2897 2292 911 ROSTELECOM-AS, RU 9009 2670 252 1393 M247, RO 34984 2268 359 609 TELLCOM-AS, TR 6849 2135 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 11199 3344 584 Uninet S.A. de C.V., MX 10620 3499 506 850 Telmex Colombia S.A., CO 13999 2297 367 616 Mega Cable, S.A. de C.V., MX 11830 2265 369 64 Instituto Costarricense de Electricidad 28573 1331 2325 235 Claro NXT Telecomunicacoes Ltda, BR 3816 1303 767 159 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 452 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 1557 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1343 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1020 67 48 ORANGE-COTE-IVOIRE, CI 36935 882 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 531 54 47 WANANCHI-, KE 24757 487 73 5 EthioNet-AS, ET 37342 457 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 11199 3344 584 Uninet S.A. de C.V., MX 9808 9497 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8232 10776 2887 AMAZON-02, US 12479 7262 1705 149 UNI2-AS, ES 7545 5749 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4537 300 622 CABLEONE, US 20940 4054 3399 163 AKAMAI-ASN1, NL 7155 3965 279 48 VIASAT-SP-BACKBONE, US 8551 3887 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 9497 9449 CHINAMOBILE-CN China Mobile Communications Grou 12479 7262 7113 UNI2-AS, ES 16509 8232 5345 AMAZON-02, US 7545 5749 5060 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3965 3917 VIASAT-SP-BACKBONE, US 11492 4537 3915 CABLEONE, US 20940 4054 3891 AKAMAI-ASN1, NL 8551 3887 3850 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3687 3666 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 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 18798 UNALLOCATED 8.40.106.0/24 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 23.136.112.0/24 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 /15:2071 /16:13424 /17:8179 /18:13716 /19:24841 /20:43056 /21:51079 /22:108924 /23:97268 /24:545340 /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 6322 7262 UNI2-AS, ES 8151 5168 11199 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3445 4537 CABLEONE, US 8551 3359 3887 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3039 3965 VIASAT-SP-BACKBONE, US 22773 2677 3612 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2143 2486 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2053 3499 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) ---------------------------------------------- 1:1673 2:1224 3:170 4:5 5:4484 6:121 7:6 8:1511 9:1 11:172 12:1575 13:393 14:2303 15:299 16:185 17:371 18:412 20:248 21:4 22:188 23:6146 24:2567 25:6 27:2498 29:19 31:2514 32:91 34:10 35:104 36:1927 37:4659 38:4402 39:804 40:151 41:3973 42:975 43:2317 44:309 45:16488 46:4223 47:369 49:1735 50:1822 51:571 52:1595 54:389 55:767 56:8 57:90 58:1682 59:1075 60:978 61:2467 62:2644 63:1929 64:5669 65:2316 66:4904 67:3014 68:1373 69:4136 70:1249 71:671 72:2968 74:2588 75:1463 76:607 77:2423 78:1847 79:3165 80:2101 81:1739 82:1486 83:1272 84:1520 85:2998 86:754 87:1983 88:1231 89:3617 90:617 91:7669 92:2038 93:2582 94:3601 95:4000 96:1327 97:336 98:1157 99:746 100:73 101:1301 102:2683 103:31187 104:4616 105:484 106:898 107:2565 108:1012 109:4395 110:2079 111:3190 112:2052 113:1497 114:1629 115:2018 116:1902 117:2565 118:2282 119:1992 120:1767 121:1046 122:2611 123:2135 124:1575 125:2479 128:1257 129:1053 130:993 131:1976 132:837 133:421 134:1900 135:302 136:868 137:940 138:2558 139:1522 140:1230 141:1451 142:1428 143:1485 144:1153 145:350 146:1921 147:1562 148:2298 149:1956 150:871 151:1145 152:1955 153:488 154:4265 155:1419 156:1710 157:1303 158:1044 159:2268 160:2541 161:1524 162:3526 163:1500 164:1583 165:1720 166:930 167:1730 168:3858 169:933 170:4588 171:871 172:3534 173:2924 174:1015 175:1157 176:3663 177:4612 178:3630 179:2144 180:2439 181:3419 182:3332 183:1932 184:2349 185:20171 186:4668 187:3926 188:4074 189:3549 190:9145 191:1439 192:10912 193:8827 194:7296 195:5139 196:3170 197:2343 198:5895 199:6076 200:7757 201:5869 202:10330 203:10190 204:4619 205:3539 206:3926 207:3387 208:4076 209:4863 210:4173 211:2405 212:4098 213:3538 214:1075 215:60 216:6617 217:2682 218:1268 219:411 220:1757 221:974 222:714 223:2150 End of report