IPv4 R&E Routing Table Report 23:05 GMT Mon 29 May, 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: 917907 Prefixes after maximum aggregation (per Origin AS): 348557 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 449972 Number of IPv4 prefixes with a valid ROA: 404625 Number of IPv4 prefixes with an invalid ROA: 1702 Number of IPv4 prefixes with no ROA: 511580 Total ASes present in the Internet Routing Table: 74304 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63813 Origin ASes announcing only one prefix: 26246 Transit ASes present in the Internet Routing Table: 10491 Transit-only ASes present in the Internet Routing Table: 432 Paths with bogon ASNs present in the IPv4 Routing Table: 37 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1079 Number of instances of unregistered ASNs: 1081 Number of 32-bit ASNs allocated by the RIRs: 41973 Number of 32-bit ASNs visible in the Routing Table: 34588 Prefixes from 32-bit ASNs in the Routing Table: 171579 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 584 Number of addresses announced to Internet: 3055303424 Equivalent to 182 /8s, 28 /16s and 59 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307675 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239917 Total APNIC prefixes after maximum aggregation: 68712 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233934 Unique aggregates announced from the APNIC address blocks: 98280 APNIC Region origin ASes present in the Internet Routing Table: 13347 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3936 APNIC Region transit ASes present in the Internet Routing Table: 1796 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: 8717 Number of APNIC addresses announced to Internet: 772869376 Equivalent to 46 /8s, 17 /16s and 13 /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, 131072-153913 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: 268717 Total ARIN prefixes after maximum aggregation: 122345 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271598 Unique aggregates announced from the ARIN address blocks: 130472 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.24 ARIN Region origin ASes announcing only one prefix: 6995 ARIN Region transit ASes present in the Internet Routing Table: 1908 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4791 Number of ARIN addresses announced to Internet: 1280136192 Equivalent to 76 /8s, 77 /16s and 84 /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: 260352 Total RIPE prefixes after maximum aggregation: 122570 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256174 Unique aggregates announced from the RIPE address blocks: 158818 RIPE Region origin ASes present in the Internet Routing Table: 28317 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12048 RIPE Region transit ASes present in the Internet Routing Table: 3975 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: 11193 Number of RIPE addresses announced to Internet: 717764352 Equivalent to 42 /8s, 200 /16s and 55 /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: 118426 Total LACNIC prefixes after maximum aggregation: 28288 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117661 Unique aggregates announced from the LACNIC address blocks: 49473 LACNIC Region origin ASes present in the Internet Routing Table: 11005 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2654 LACNIC Region transit ASes present in the Internet Routing Table: 2283 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8793 Number of LACNIC addresses announced to Internet: 177042688 Equivalent to 10 /8s, 141 /16s and 117 /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: 29416 Total AfriNIC prefixes after maximum aggregation: 5861 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 37956 Unique aggregates announced from the AfriNIC address blocks: 12449 AfriNIC Region origin ASes present in the Internet Routing Table: 1744 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 613 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1094 Number of AfriNIC addresses announced to Internet: 107093248 Equivalent to 6 /8s, 98 /16s and 29 /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 9474 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5717 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4202 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3674 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3382 1856 97 VNPT-AS-VN VNPT Corp, VN 9498 2970 495 239 BBIL-AP BHARTI Airtel Ltd., IN 24560 2399 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2299 11252 587 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 198 TATACOMM-AS TATA Communications formerl 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 8316 10783 2994 AMAZON-02, US 11492 4524 300 608 CABLEONE, US 7155 4041 282 62 VIASAT-SP-BACKBONE, US 22773 3564 3052 270 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1320 63 SHAW, CA 749 3100 54980 2352 DNIC-AS-00749, US 16625 3072 1543 2323 AKAMAI-AS, US 396982 2657 3593 373 GOOGLE-CLOUD-PLATFORM, US 30036 2505 361 423 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2473 24000 1553 ATT-INTERNET4, 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 7311 1707 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4095 3398 157 AKAMAI-ASN1, NL 8551 3882 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2291 909 ROSTELECOM-AS, RU 9009 2658 247 1386 M247, RO 34984 2278 360 607 TELLCOM-AS, TR 6849 1958 307 17 UKRTELNET, UA 58224 1815 942 561 TCI, IR 61317 1653 110 1241 ASDETUK www.heficed.com, US 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 11336 3355 598 Uninet S.A. de C.V., MX 10620 3522 508 853 Telmex Colombia S.A., CO 13999 2360 364 627 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1295 762 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1098 180 441 Techtel LMDS Comunicaciones Interactiva 26615 1036 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 24835 1538 533 29 RAYA-AS, EG 24863 1525 392 36 LINKdotNET-AS, EG 36992 1341 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1032 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 37342 484 32 1 MOVITEL, MZ 24757 470 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 11336 3355 598 Uninet S.A. de C.V., MX 9808 9474 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8316 10783 2994 AMAZON-02, US 12479 7311 1707 141 UNI2-AS, ES 7545 5717 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 608 CABLEONE, US 18403 4202 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4095 3398 157 AKAMAI-ASN1, NL 7155 4041 282 62 VIASAT-SP-BACKBONE, US 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 9474 9437 CHINAMOBILE-CN China Mobile Communications Grou 12479 7311 7170 UNI2-AS, ES 16509 8316 5322 AMAZON-02, US 7545 5717 5025 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4202 4177 FPT-AS-AP FPT Telecom Company, VN 7155 4041 3979 VIASAT-SP-BACKBONE, US 20940 4095 3938 AKAMAI-ASN1, NL 11492 4524 3916 CABLEONE, US 8551 3882 3848 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /9:14 /10:38 /11:103 /12:301 /13:579 /14:1198 /15:2090 /16:13429 /17:8143 /18:13714 /19:24791 /20:42950 /21:50997 /22:109171 /23:97828 /24:552536 /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 6389 7311 UNI2-AS, ES 8151 5287 11336 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4524 CABLEONE, US 8551 3355 3882 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3525 SHAW, CA 7155 3064 4041 VIASAT-SP-BACKBONE, US 22773 2635 3564 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2075 3522 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) ---------------------------------------------- 1:2146 2:1307 3:181 4:5 5:4543 6:128 7:6 8:1512 9:1 11:172 12:1536 13:382 14:2299 15:304 16:189 17:372 18:426 20:258 21:4 22:188 23:6297 24:2591 25:6 27:2499 29:19 31:2498 32:79 34:21 35:108 36:1970 37:4657 38:4687 39:844 40:151 41:3936 42:1968 43:2340 44:309 45:16493 46:4321 47:362 49:1744 50:1863 51:584 52:1591 54:392 55:843 56:8 57:116 58:1817 59:1066 60:988 61:2527 62:2688 63:1917 64:5662 65:2310 66:4992 67:2919 68:1344 69:4131 70:1201 71:670 72:2992 74:2600 75:1555 76:599 77:2423 78:1810 79:3196 80:2138 81:1787 82:1505 83:1260 84:1519 85:2986 86:765 87:2027 88:1166 89:3690 90:618 91:7753 92:2055 93:2604 94:3611 95:4040 96:1303 97:336 98:1094 99:745 100:69 101:1311 102:2756 103:31343 104:4669 105:503 106:939 107:2582 108:1043 109:4408 110:2083 111:3112 112:2032 113:1731 114:1648 115:1998 116:1889 117:2537 118:2621 119:2005 120:1797 121:1061 122:2584 123:2129 124:1568 125:2462 128:1406 129:1046 130:1011 131:1966 132:845 133:422 134:1913 135:306 136:879 137:951 138:2567 139:1540 140:1237 141:1429 142:1440 143:1536 144:1148 145:346 146:1947 147:1587 148:2372 149:2217 150:874 151:1151 152:1926 153:491 154:4515 155:1437 156:1783 157:1323 158:1077 159:2233 160:2558 161:1543 162:3525 163:1522 164:1610 165:1778 166:1094 167:1736 168:3854 169:945 170:4589 171:900 172:3572 173:2955 174:1045 175:1170 176:3690 177:4652 178:3582 179:2229 180:2551 181:3501 182:3354 183:2087 184:2340 185:20295 186:4795 187:4023 188:4104 189:3669 190:9193 191:1462 192:10933 193:8866 194:7286 195:5143 196:3178 197:2327 198:5892 199:6091 200:7942 201:5903 202:10383 203:10267 204:4559 205:3673 206:4205 207:3394 208:4086 209:4872 210:4165 211:2437 212:4189 213:3618 214:1080 215:59 216:6652 217:2718 218:1268 219:410 220:1756 221:966 222:679 223:2150 End of report