IPv4 R&E Routing Table Report 21:10 GMT Sun 26 Mar, 2023 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 914739 Prefixes after maximum aggregation (per Origin AS): 347203 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447447 Number of IPv4 prefixes with a valid ROA: 381499 Number of IPv4 prefixes with an invalid ROA: 2484 Number of IPv4 prefixes with no ROA: 530756 Total ASes present in the Internet Routing Table: 74283 Prefixes per ASN: 12.31 Origin-only ASes present in the Internet Routing Table: 63818 Origin ASes announcing only one prefix: 26151 Transit ASes present in the Internet Routing Table: 10465 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 66 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1089 Number of instances of unregistered ASNs: 1095 Number of 32-bit ASNs allocated by the RIRs: 41531 Number of 32-bit ASNs visible in the Routing Table: 34395 Prefixes from 32-bit ASNs in the Routing Table: 169034 Number of bogon 32-bit ASNs visible in the Routing Table: 72 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 501 Number of addresses announced to Internet: 3062113536 Equivalent to 182 /8s, 132 /16s and 37 /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: 306218 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239973 Total APNIC prefixes after maximum aggregation: 68631 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234552 Unique aggregates announced from the APNIC address blocks: 98009 APNIC Region origin ASes present in the Internet Routing Table: 13379 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3918 APNIC Region transit ASes present in the Internet Routing Table: 1805 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8679 Number of APNIC addresses announced to Internet: 773262848 Equivalent to 46 /8s, 23 /16s and 14 /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: 268370 Total ARIN prefixes after maximum aggregation: 121998 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270582 Unique aggregates announced from the ARIN address blocks: 130357 ARIN Region origin ASes present in the Internet Routing Table: 19070 ARIN Prefixes per ASN: 14.19 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1933 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4766 Number of ARIN addresses announced to Internet: 1285426944 Equivalent to 76 /8s, 158 /16s and 15 /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: 258286 Total RIPE prefixes after maximum aggregation: 121637 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254626 Unique aggregates announced from the RIPE address blocks: 157362 RIPE Region origin ASes present in the Internet Routing Table: 28289 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12030 RIPE Region transit ASes present in the Internet Routing Table: 3905 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11103 Number of RIPE addresses announced to Internet: 718226944 Equivalent to 42 /8s, 207 /16s and 70 /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: 117654 Total LACNIC prefixes after maximum aggregation: 28366 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116968 Unique aggregates announced from the LACNIC address blocks: 49056 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2632 LACNIC Region transit ASes present in the Internet Routing Table: 2282 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8769 Number of LACNIC addresses announced to Internet: 176655872 Equivalent to 10 /8s, 135 /16s and 142 /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: 29367 Total AfriNIC prefixes after maximum aggregation: 5787 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 37509 Unique aggregates announced from the AfriNIC address blocks: 12261 AfriNIC Region origin ASes present in the Internet Routing Table: 1731 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 597 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: 1078 Number of AfriNIC addresses announced to Internet: 108157440 Equivalent to 6 /8s, 114 /16s and 90 /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 9523 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5753 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3544 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3454 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3370 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2864 491 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2732 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2361 836 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2309 11250 588 KIXS-AS-KR Korea Telecom, KR 45090 2184 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 8141 10768 2883 AMAZON-02, US 11492 4534 300 620 CABLEONE, US 7155 3963 279 45 VIASAT-SP-BACKBONE, US 22773 3626 3079 293 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3151 1585 2334 AKAMAI-AS, US 749 3037 50520 2304 DNIC-AS-00749, US 396982 2624 3588 357 GOOGLE-CLOUD-PLATFORM, US 7018 2557 24118 1563 ATT-INTERNET4, US 30036 2507 361 483 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7166 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4052 3399 166 AKAMAI-ASN1, NL 8551 3890 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2934 2292 913 ROSTELECOM-AS, RU 9009 2673 254 1399 M247, RO 34984 2268 359 610 TELLCOM-AS, TR 6849 2135 339 19 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1607 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11139 3340 574 Uninet S.A. de C.V., MX 10620 3497 506 850 Telmex Colombia S.A., CO 13999 2296 366 610 Mega Cable, S.A. de C.V., MX 11830 2263 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 245 Claro NXT Telecomunicacoes Ltda, BR 3816 1303 767 159 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 339 515 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1101 180 452 Techtel LMDS Comunicaciones Interactiva 26615 1030 2498 45 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1568 393 19 LINKdotNET-AS, EG 24835 1542 533 30 RAYA-AS, EG 36992 1343 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1018 67 53 ORANGE-COTE-IVOIRE, CI 36935 880 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 508 52 41 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 487 73 5 EthioNet-AS, ET Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11139 3340 574 Uninet S.A. de C.V., MX 9808 9523 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8141 10768 2883 AMAZON-02, US 12479 7166 1705 149 UNI2-AS, ES 7545 5753 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4534 300 620 CABLEONE, US 20940 4052 3399 166 AKAMAI-ASN1, NL 7155 3963 279 45 VIASAT-SP-BACKBONE, US 8551 3890 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9523 9475 CHINAMOBILE-CN China Mobile Communications Grou 12479 7166 7017 UNI2-AS, ES 16509 8141 5258 AMAZON-02, US 7545 5753 5062 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3963 3918 VIASAT-SP-BACKBONE, US 11492 4534 3914 CABLEONE, US 20940 4052 3886 AKAMAI-ASN1, NL 8551 3890 3853 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3544 3479 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID Complete listing at https://bgp.nsrc.org/REN/AARNET/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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar 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: 6461 ZAYO-6461, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 6461 ZAYO-6461, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 6461 ZAYO-6461, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 6461 ZAYO-6461, 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/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:39 /11:103 /12:299 /13:578 /14:1196 /15:2074 /16:13479 /17:8251 /18:13823 /19:25047 /20:43746 /21:51415 /22:109414 /23:97711 /24:547534 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6224 7166 UNI2-AS, ES 8151 5140 11139 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3442 4534 CABLEONE, US 8551 3362 3890 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3038 3963 VIASAT-SP-BACKBONE, US 22773 2680 3626 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2164 2507 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2051 3497 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1670 2:1230 3:170 4:5 5:4459 6:121 7:6 8:1530 9:1 11:172 12:1578 13:393 14:2308 15:296 16:135 17:367 18:400 20:248 21:4 22:188 23:6158 24:2631 25:6 27:2568 29:19 31:2523 32:99 34:10 35:106 36:1912 37:4642 38:4420 39:807 40:151 41:3986 42:983 43:2323 44:309 45:16527 46:4227 47:375 49:1730 50:1835 51:570 52:1587 54:389 55:763 56:8 57:92 58:1759 59:1139 60:977 61:2435 62:2634 63:1928 64:5682 65:2315 66:4942 67:3046 68:1370 69:4178 70:1255 71:677 72:2972 74:2601 75:1463 76:608 77:2436 78:1861 79:3160 80:2078 81:1737 82:1497 83:1267 84:1535 85:2999 86:743 87:1963 88:1238 89:3607 90:613 91:7691 92:2034 93:2562 94:3578 95:3992 96:1330 97:336 98:1158 99:746 100:74 101:1070 102:2669 103:31264 104:4610 105:483 106:826 107:2560 108:990 109:4402 110:2081 111:3206 112:2060 113:1506 114:1622 115:2084 116:1900 117:2559 118:2289 119:1980 120:1755 121:1080 122:2603 123:2172 124:1565 125:2494 128:1332 129:1065 130:1010 131:2009 132:840 133:421 134:1903 135:300 136:862 137:1080 138:2572 139:1531 140:1220 141:1475 142:1440 143:1494 144:1170 145:355 146:1948 147:1569 148:2336 149:1949 150:881 151:1156 152:1842 153:567 154:4275 155:1414 156:1692 157:1281 158:1045 159:2272 160:2536 161:1521 162:3558 163:1559 164:1599 165:1701 166:888 167:1740 168:3883 169:934 170:4582 171:867 172:3532 173:2945 174:1017 175:1170 176:3687 177:4615 178:3638 179:2163 180:2445 181:3426 182:3324 183:1938 184:2350 185:20157 186:4694 187:3938 188:4063 189:3578 190:9151 191:1447 192:10953 193:8854 194:7279 195:5142 196:3102 197:2385 198:5950 199:6105 200:7873 201:5878 202:10598 203:10256 204:4624 205:3537 206:3947 207:3453 208:4086 209:4880 210:4360 211:2443 212:4112 213:3542 214:1081 215:60 216:6613 217:2676 218:1309 219:469 220:2012 221:977 222:802 223:2141 End of report