IPv4 R&E Routing Table Report 23:05 GMT Wed 14 Sep, 2022 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: 893212 Prefixes after maximum aggregation (per Origin AS): 339798 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439046 Number of IPv4 prefixes with a valid ROA: 349838 Number of IPv4 prefixes with an invalid ROA: 1505 Number of IPv4 prefixes with no ROA: 541869 Total ASes present in the Internet Routing Table: 73483 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63129 Origin ASes announcing only one prefix: 25998 Transit ASes present in the Internet Routing Table: 10354 Transit-only ASes present in the Internet Routing Table: 407 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 1041 Number of instances of unregistered ASNs: 1042 Number of 32-bit ASNs allocated by the RIRs: 40159 Number of 32-bit ASNs visible in the Routing Table: 33304 Prefixes from 32-bit ASNs in the Routing Table: 159477 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: 546 Number of addresses announced to Internet: 3068479488 Equivalent to 182 /8s, 229 /16s and 72 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 300260 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230726 Total APNIC prefixes after maximum aggregation: 66840 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225849 Unique aggregates announced from the APNIC address blocks: 96301 APNIC Region origin ASes present in the Internet Routing Table: 12869 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3720 APNIC Region transit ASes present in the Internet Routing Table: 1743 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8167 Number of APNIC addresses announced to Internet: 772806400 Equivalent to 46 /8s, 16 /16s and 23 /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: 264043 Total ARIN prefixes after maximum aggregation: 120690 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264739 Unique aggregates announced from the ARIN address blocks: 128039 ARIN Region origin ASes present in the Internet Routing Table: 18996 ARIN Prefixes per ASN: 13.94 ARIN Region origin ASes announcing only one prefix: 6946 ARIN Region transit ASes present in the Internet Routing Table: 1861 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4595 Number of ARIN addresses announced to Internet: 1293385984 Equivalent to 77 /8s, 23 /16s and 129 /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: 252412 Total RIPE prefixes after maximum aggregation: 118223 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249625 Unique aggregates announced from the RIPE address blocks: 153553 RIPE Region origin ASes present in the Internet Routing Table: 28168 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 4007 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10805 Number of RIPE addresses announced to Internet: 717962240 Equivalent to 42 /8s, 203 /16s and 60 /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: 116549 Total LACNIC prefixes after maximum aggregation: 27681 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 116113 Unique aggregates announced from the LACNIC address blocks: 48957 LACNIC Region origin ASes present in the Internet Routing Table: 10975 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2225 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8723 Number of LACNIC addresses announced to Internet: 176321024 Equivalent to 10 /8s, 130 /16s and 114 /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: 28441 Total AfriNIC prefixes after maximum aggregation: 5590 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36340 Unique aggregates announced from the AfriNIC address blocks: 11730 AfriNIC Region origin ASes present in the Internet Routing Table: 1684 AfriNIC Prefixes per ASN: 21.58 AfriNIC Region origin ASes announcing only one prefix: 588 AfriNIC Region transit ASes present in the Internet Routing Table: 328 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1014 Number of AfriNIC addresses announced to Internet: 107711232 Equivalent to 6 /8s, 107 /16s and 139 /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 9052 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5909 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3572 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3371 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2443 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2229 11123 598 KIXS-AS-KR Korea Telecom, KR 24560 2206 853 413 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 216 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 7146 10495 2825 AMAZON-02, US 11492 4578 303 536 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3801 3068 354 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3529 1826 2531 AKAMAI-AS, US 6327 3472 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2615 370 242 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2532 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2349 4935 395 CENTURYLINK-US-LEGACY-QWEST, 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 6932 1730 144 UNI2-AS, ES 20940 4050 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2884 2290 909 ROSTELECOM-AS, RU 6849 2762 355 21 UKRTELNET, UA 9009 2592 250 1337 M247, GB 34984 2256 358 631 TELLCOM-AS, TR 58224 1797 936 536 TCI, IR 13188 1610 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 10945 3393 559 Uninet S.A. de C.V., MX 10620 3501 515 787 Telmex Colombia S.A., CO 11830 2322 369 64 Instituto Costarricense de Electricidad 13999 1992 324 508 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1278 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 369 21 Telefonica del Peru S.A.A., PE 11664 1058 179 467 Techtel LMDS Comunicaciones Interactiva 26615 982 2466 43 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 1558 393 21 LINKdotNET-AS, EG 24835 1504 521 31 RAYA-AS, EG 36992 1346 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 988 68 38 ORANGE-COTE-IVOIRE, CI 36935 809 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 522 52 40 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 401 232 16 MauritiusTelecom, MU 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 10945 3393 559 Uninet S.A. de C.V., MX 9808 9052 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7146 10495 2825 AMAZON-02, US 12479 6932 1730 144 UNI2-AS, ES 7545 5909 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4578 303 536 CABLEONE, US 20940 4050 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 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 9052 9005 CHINAMOBILE-CN China Mobile Communications Grou 12479 6932 6788 UNI2-AS, ES 7545 5909 5215 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7146 4321 AMAZON-02, US 11492 4578 4042 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3987 3949 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4050 3858 AKAMAI-ASN1, NL 7552 3572 3552 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 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 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.141.8.0/24 Origin: 400597 SILICONDUST, US 23.141.8.0/24 Transit: 33387 NOCIX, 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 /9:13 /10:38 /11:101 /12:297 /13:588 /14:1204 /15:2092 /16:13465 /17:8250 /18:13778 /19:24684 /20:43120 /21:50867 /22:107819 /23:95739 /24:531135 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5925 6932 UNI2-AS, ES 8151 4683 10945 Uninet S.A. de C.V., MX 11492 3495 4578 CABLEONE, US 8551 3451 3987 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3282 3472 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2816 3801 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2619 2762 UKRTELNET, UA 30036 2272 2615 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1930 2:1014 3:163 4:5 5:3877 6:116 7:6 8:1563 9:1 11:173 12:1635 13:340 14:2355 15:263 16:53 17:361 18:302 20:244 21:4 22:188 23:5936 24:2449 25:6 27:2663 29:19 31:2409 32:91 34:7 35:88 36:1883 37:4472 38:3517 39:739 40:154 41:3915 42:1137 43:2218 44:291 45:16080 46:4164 47:301 48:1 49:1707 50:1935 51:232 52:1490 54:386 55:842 56:8 57:64 58:1724 59:1109 60:984 61:2303 62:2537 63:1914 64:5580 65:2299 66:4843 67:2971 68:1209 69:4136 70:1304 71:683 72:3018 74:2635 75:1441 76:585 77:2255 78:1869 79:3131 80:2064 81:1661 82:1493 83:1201 84:1366 85:2940 86:725 87:1904 88:1154 89:3413 90:564 91:7626 92:2045 93:2541 94:3532 95:3865 96:1309 97:349 98:1032 99:721 100:75 101:1298 102:2327 103:29835 104:4552 105:470 106:888 107:2539 108:884 109:4327 110:1988 111:3280 112:2039 113:1476 114:1489 115:1980 116:1883 117:2480 118:2322 119:1824 120:1707 121:1006 122:2522 123:2078 124:1519 125:2080 128:1166 129:1014 130:996 131:2029 132:807 133:377 134:1936 135:297 136:862 137:875 138:2523 139:1512 140:987 141:1454 142:1331 143:1422 144:1197 145:343 146:1841 147:1511 148:2206 149:1812 150:866 151:1100 152:1943 153:467 154:3633 155:1424 156:1629 157:1281 158:1037 159:2194 160:2533 161:1333 162:3523 163:1396 164:1662 165:1653 166:782 167:1734 168:3804 169:869 170:4516 171:843 172:3351 173:3118 174:1018 175:1162 176:3591 177:4769 178:3568 179:2153 180:2366 181:3279 182:3185 183:1934 184:2361 185:19694 186:4630 187:3929 188:3994 189:3453 190:8976 191:1475 192:10980 193:8682 194:7131 195:5040 196:3041 197:2455 198:5939 199:6012 200:7600 201:5792 202:10131 203:9993 204:4501 205:3472 206:3731 207:3389 208:4040 209:4692 210:4116 211:2288 212:4038 213:3473 214:1114 215:66 216:6376 217:2620 218:1268 219:400 220:1751 221:921 222:656 223:2001 End of report