IPv4 R&E Routing Table Report 21:10 GMT Sun 23 Apr, 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: 917009 Prefixes after maximum aggregation (per Origin AS): 347998 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 448714 Number of IPv4 prefixes with a valid ROA: 392577 Number of IPv4 prefixes with an invalid ROA: 2860 Number of IPv4 prefixes with no ROA: 521572 Total ASes present in the Internet Routing Table: 74300 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 63821 Origin ASes announcing only one prefix: 26146 Transit ASes present in the Internet Routing Table: 10479 Transit-only ASes present in the Internet Routing Table: 441 Paths with bogon ASNs present in the IPv4 Routing Table: 58 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 70 Max AS path prepend of ASN (212250) 64 Prefixes from unregistered ASNs in the Routing Table: 1380 Number of instances of unregistered ASNs: 1384 Number of 32-bit ASNs allocated by the RIRs: 41716 Number of 32-bit ASNs visible in the Routing Table: 34459 Prefixes from 32-bit ASNs in the Routing Table: 170433 Number of bogon 32-bit ASNs visible in the Routing Table: 49 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 844 Number of addresses announced to Internet: 3059645184 Equivalent to 182 /8s, 94 /16s and 123 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 306403 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240689 Total APNIC prefixes after maximum aggregation: 68690 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234963 Unique aggregates announced from the APNIC address blocks: 97823 APNIC Region origin ASes present in the Internet Routing Table: 13367 APNIC Prefixes per ASN: 17.58 APNIC Region origin ASes announcing only one prefix: 3925 APNIC Region transit ASes present in the Internet Routing Table: 1800 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8690 Number of APNIC addresses announced to Internet: 773231872 Equivalent to 46 /8s, 22 /16s and 149 /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: 268509 Total ARIN prefixes after maximum aggregation: 122141 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271073 Unique aggregates announced from the ARIN address blocks: 130842 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.21 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1931 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4780 Number of ARIN addresses announced to Internet: 1283777792 Equivalent to 76 /8s, 132 /16s and 229 /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: 259437 Total RIPE prefixes after maximum aggregation: 122155 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255441 Unique aggregates announced from the RIPE address blocks: 157856 RIPE Region origin ASes present in the Internet Routing Table: 28307 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 3914 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 70 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11141 Number of RIPE addresses announced to Internet: 717921024 Equivalent to 42 /8s, 202 /16s and 155 /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: 117982 Total LACNIC prefixes after maximum aggregation: 28415 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117252 Unique aggregates announced from the LACNIC address blocks: 49304 LACNIC Region origin ASes present in the Internet Routing Table: 10979 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2625 LACNIC Region transit ASes present in the Internet Routing Table: 2292 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: 8768 Number of LACNIC addresses announced to Internet: 176803840 Equivalent to 10 /8s, 137 /16s and 208 /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: 29012 Total AfriNIC prefixes after maximum aggregation: 5786 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 37435 Unique aggregates announced from the AfriNIC address blocks: 12319 AfriNIC Region origin ASes present in the Internet Routing Table: 1728 AfriNIC Prefixes per ASN: 21.66 AfriNIC Region origin ASes announcing only one prefix: 603 AfriNIC Region transit ASes present in the Internet Routing Table: 340 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: 1080 Number of AfriNIC addresses announced to Internet: 107245568 Equivalent to 6 /8s, 100 /16s and 112 /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 5728 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3560 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3419 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3380 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2938 490 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2747 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2380 836 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2302 11250 586 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 8228 10773 2946 AMAZON-02, US 11492 4543 301 602 CABLEONE, US 7155 3970 279 48 VIASAT-SP-BACKBONE, US 22773 3597 3073 284 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3521 1320 64 SHAW, CA 16625 3154 1575 2350 AKAMAI-AS, US 749 3071 53111 2323 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2573 24123 1571 ATT-INTERNET4, US 30036 2509 362 445 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 7219 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4085 3399 166 AKAMAI-ASN1, NL 8551 3894 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2928 2292 909 ROSTELECOM-AS, RU 9009 2669 251 1392 M247, RO 34984 2275 359 612 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1851 950 543 TCI, IR 13188 1607 100 18 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 11236 3363 589 Uninet S.A. de C.V., MX 10620 3503 507 851 Telmex Colombia S.A., CO 13999 2327 357 613 Mega Cable, S.A. de C.V., MX 11830 2263 369 64 Instituto Costarricense de Electricidad 28573 1334 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1102 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1032 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 1578 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1025 67 51 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 528 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 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 11236 3363 589 Uninet S.A. de C.V., MX 9808 9474 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8228 10773 2946 AMAZON-02, US 12479 7219 1706 140 UNI2-AS, ES 7545 5728 786 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4543 301 602 CABLEONE, US 20940 4085 3399 166 AKAMAI-ASN1, NL 7155 3970 279 48 VIASAT-SP-BACKBONE, US 8551 3894 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 9474 9437 CHINAMOBILE-CN China Mobile Communications Grou 12479 7219 7079 UNI2-AS, ES 16509 8228 5282 AMAZON-02, US 7545 5728 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4543 3941 CABLEONE, US 7155 3970 3922 VIASAT-SP-BACKBONE, US 20940 4085 3919 AKAMAI-ASN1, NL 8551 3894 3857 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7713 3560 3495 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., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 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 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 /9:14 /10:39 /11:103 /12:298 /13:578 /14:1194 /15:2082 /16:13456 /17:8212 /18:13783 /19:24984 /20:43661 /21:51255 /22:109303 /23:97794 /24:550236 /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 6276 7219 UNI2-AS, ES 8151 5181 11236 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3452 4543 CABLEONE, US 8551 3366 3894 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3331 3521 SHAW, CA 7155 3040 3970 VIASAT-SP-BACKBONE, US 22773 2661 3597 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2166 2509 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2057 3503 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) ---------------------------------------------- 1:1769 2:1267 3:175 4:5 5:4491 6:127 7:6 8:1525 9:1 11:172 12:1537 13:386 14:2317 15:299 16:183 17:368 18:414 20:256 21:4 22:188 23:6252 24:2586 25:6 27:2543 29:19 31:2508 32:77 34:12 35:108 36:1934 37:4641 38:4466 39:819 40:151 41:3888 42:1214 43:2336 44:309 45:16597 46:4262 47:362 49:1728 50:1830 51:573 52:1589 54:391 55:852 56:8 57:117 58:1788 59:1149 60:992 61:2453 62:2630 63:1921 64:5695 65:2320 66:4971 67:3033 68:1376 69:4159 70:1249 71:682 72:2981 74:2614 75:1445 76:601 77:2440 78:1867 79:3177 80:2100 81:1750 82:1490 83:1288 84:1534 85:2994 86:761 87:1990 88:1237 89:3665 90:609 91:7718 92:2068 93:2622 94:3597 95:4025 96:1327 97:336 98:1155 99:745 100:74 101:1070 102:2686 103:31356 104:4651 105:484 106:862 107:2520 108:1030 109:4430 110:2080 111:3078 112:2031 113:1558 114:1636 115:2077 116:1900 117:2556 118:2359 119:2021 120:1760 121:1077 122:2628 123:2201 124:1564 125:2510 128:1312 129:1056 130:1018 131:2000 132:858 133:422 134:1900 135:304 136:880 137:1084 138:2578 139:1566 140:1238 141:1456 142:1437 143:1498 144:1160 145:347 146:1947 147:1580 148:2352 149:2109 150:867 151:1158 152:1821 153:568 154:4463 155:1436 156:1782 157:1305 158:1061 159:2307 160:2539 161:1536 162:3519 163:1570 164:1629 165:1738 166:1030 167:1752 168:3883 169:939 170:4602 171:864 172:3564 173:2946 174:1069 175:1184 176:3689 177:4596 178:3585 179:2160 180:2617 181:3430 182:3331 183:1969 184:2357 185:20202 186:4753 187:3948 188:4092 189:3562 190:9117 191:1430 192:10936 193:8883 194:7317 195:5144 196:3023 197:2361 198:5959 199:6103 200:8033 201:5862 202:10578 203:10261 204:4586 205:3542 206:4117 207:3436 208:4080 209:4858 210:4357 211:2435 212:4098 213:3582 214:1084 215:59 216:6642 217:2702 218:1311 219:470 220:2021 221:973 222:782 223:2148 End of report