IPv4 R&E Routing Table Report 21:10 GMT Mon 02 Nov, 2026 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: 1074528 Prefixes after maximum aggregation (per Origin AS): 416483 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 539417 Number of IPv4 prefixes with a valid ROA: 761363 Number of IPv4 prefixes with an invalid ROA: 164 Number of IPv4 prefixes with no ROA: 313000 Total ASes present in the Internet Routing Table: 79637 Prefixes per ASN: 13.49 Origin-only ASes present in the Internet Routing Table: 68179 Origin ASes announcing only one prefix: 28027 Transit ASes present in the Internet Routing Table: 11458 Transit-only ASes present in the Internet Routing Table: 631 Paths with bogon ASNs present in the IPv4 Routing Table: 13 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 69 Max AS path prepend of ASN ( 37447) 65 Prefixes from unregistered ASNs in the Routing Table: 1070 Number of instances of unregistered ASNs: 1093 Number of 32-bit ASNs allocated by the RIRs: 51974 Number of 32-bit ASNs visible in the Routing Table: 42111 Prefixes from 32-bit ASNs in the Routing Table: 244089 Number of bogon 32-bit ASNs visible in the Routing Table: 50 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 531 Number of addresses announced to Internet: 3126657792 Equivalent to 186 /8s, 93 /16s and 3 /24s Percentage of available address space announced: 84.5 Percentage of allocated address space announced: 84.5 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: 357379 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 286413 Total APNIC prefixes after maximum aggregation: 85622 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 272458 Unique aggregates announced from the APNIC address blocks: 110671 APNIC Region origin ASes present in the Internet Routing Table: 15441 APNIC Prefixes per ASN: 17.65 APNIC Region origin ASes announcing only one prefix: 4818 APNIC Region transit ASes present in the Internet Routing Table: 2060 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 11058 Number of APNIC addresses announced to Internet: 749018112 Equivalent to 44 /8s, 165 /16s and 28 /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, 131072-155961 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: 314717 Total ARIN prefixes after maximum aggregation: 140482 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 311764 Unique aggregates announced from the ARIN address blocks: 153307 ARIN Region origin ASes present in the Internet Routing Table: 19584 ARIN Prefixes per ASN: 15.92 ARIN Region origin ASes announcing only one prefix: 7238 ARIN Region transit ASes present in the Internet Routing Table: 1986 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 45 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5885 Number of ARIN addresses announced to Internet: 1355265536 Equivalent to 80 /8s, 199 /16s and 182 /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, 393216-404380 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 300958 Total RIPE prefixes after maximum aggregation: 150464 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 309233 Unique aggregates announced from the RIPE address blocks: 204336 RIPE Region origin ASes present in the Internet Routing Table: 29987 RIPE Prefixes per ASN: 10.31 RIPE Region origin ASes announcing only one prefix: 12436 RIPE Region transit ASes present in the Internet Routing Table: 4167 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 48 Number of RIPE region 32-bit ASNs visible in the Routing Table: 14076 Number of RIPE addresses announced to Internet: 751307008 Equivalent to 44 /8s, 200 /16s and 9 /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 196608-219547 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 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: 132590 Total LACNIC prefixes after maximum aggregation: 32002 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 125914 Unique aggregates announced from the LACNIC address blocks: 51780 LACNIC Region origin ASes present in the Internet Routing Table: 11541 LACNIC Prefixes per ASN: 10.91 LACNIC Region origin ASes announcing only one prefix: 2762 LACNIC Region transit ASes present in the Internet Routing Table: 2645 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 50 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9619 Number of LACNIC addresses announced to Internet: 166988032 Equivalent to 9 /8s, 244 /16s and 9 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 38780 Total AfriNIC prefixes after maximum aggregation: 7258 AfriNIC Deaggregation factor: 5.34 Prefixes being announced from the AfriNIC address blocks: 54627 Unique aggregates announced from the AfriNIC address blocks: 18877 AfriNIC Region origin ASes present in the Internet Routing Table: 2109 AfriNIC Prefixes per ASN: 25.90 AfriNIC Region origin ASes announcing only one prefix: 773 AfriNIC Region transit ASes present in the Internet Routing Table: 391 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 69 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1473 Number of AfriNIC addresses announced to Internet: 103788800 Equivalent to 6 /8s, 47 /16s and 177 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers AfriNIC Address Blocks 41/8, 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 14011 8737 135 CHINAMOBILE-CN - China Mobile Communicati 9498 5128 561 338 BBIL-AP - BHARTI Airtel Ltd., IN 7545 4645 842 279 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4099 1331 24 VIETEL-AS-AP - Viettel Group, VN 17561 3952 248 578 LCS-AS-AP - LARUS Limited, HK 56046 3638 888 183 CMNET-Jiangsu-AP - China Mobile communica 7713 3484 1044 69 telkomnet-as-ap - PT Telekomunikasi Indon 140292 3265 330 1663 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 45899 3247 1867 103 VNPT-AS-VN - VNPT Corp, VN 24560 2394 539 668 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 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 17310 42609 5656 AMAZON-02 - Amazon.com, Inc., US 22773 4921 3230 457 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4650 309 1092 CABLEONE - CABLE ONE, INC., US 7155 4337 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3844 1305 74 SHAW - Shaw Communications, CA 396982 3555 5382 604 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3323 246 1175 AS-COLOCROSSING - HostPapa, US 749 3132 54647 2383 DNIC-AS-00749 - United States Department 6079 2937 1156 1469 RCN-AS - RCN, US 7029 2884 2567 876 WINDSTREAM - Windstream Communications LL 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 6852 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4339 387 2639 M247 - M247 Europe SRL, RO 20940 3838 3388 105 AKAMAI-ASN1 - Akamai International B.V., 212238 3609 261 2766 CDNEXT - Datacamp Limited, GB 12389 3110 2329 872 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2526 155 30 KCELL-AS - Kcell JSC, KZ 34984 2513 370 594 TELLCOM-AS - Superonline Iletisim Hizmetl 25019 1983 1384 141 SAUDINETSTC-AS - Saudi Telecom Company JS 3257 1765 2097 994 GTT-BACKBONE - GTT Communications Inc., U 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 13094 3301 614 AS8151 - UNINET, MX 10620 3397 442 1122 AS10620 - Telmex Colombia S.A., CO 13999 2219 495 327 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1846 369 65 AS11830 - Instituto Costarricense de Elec 11664 1510 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1400 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1268 763 226 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1175 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1102 72 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1079 75 55 AS27715 - Locaweb Servicos de Internet S/ 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 24835 1972 481 26 Vodafone Data - Vodafone Data, EG 36992 1944 1543 326 ETISALAT MISR - ETISALAT MISR, EG 24863 1440 389 20 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1389 606 122 Office National des Postes et Telecommuni 36935 1303 524 47 Vodafone Data - Vodafone Data, EG 37069 1128 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 15399 806 57 60 Wananchi Group (Kenya) Limited - Wananchi 20011 765 188 328 Dimension Data - Dimension Data, ZA 36914 549 82 3 Kenya Education Network - Kenya Education 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 16509 17310 42609 5656 AMAZON-02 - Amazon.com, Inc., US 9808 14011 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13094 3301 614 AS8151 - UNINET, MX 12479 6852 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5128 561 338 BBIL-AP - BHARTI Airtel Ltd., IN 39891 5044 311 77 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4921 3230 457 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4650 309 1092 CABLEONE - CABLE ONE, INC., US 7545 4645 842 279 TPG-INTERNET-AP - TPG Telecom Limited, AU 9009 4339 387 2639 M247 - M247 Europe SRL, RO 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 14011 13876 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13094 12480 AS8151 - UNINET, MX 12479 6852 6703 UNI2-AS - Orange Espagne SA, ES 39891 5044 4967 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5128 4790 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4921 4464 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4645 4366 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4337 4250 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4099 4075 VIETEL-AS-AP - Viettel Group, VN 6327 3844 3770 SHAW - Shaw Communications, CA 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 4593 UNALLOCATED 2.26.176.0/24 10122 NETSTAR-AS-AP - NETSTAR 4593 UNALLOCATED 2.26.216.0/24 10122 NETSTAR-AS-AP - NETSTAR 4593 UNALLOCATED 2.26.219.0/24 10122 NETSTAR-AS-AP - NETSTAR 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Com 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 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 /11:97 /12:299 /13:588 /14:1192 /15:2133 /16:13735 /17:8294 /18:13287 /19:25432 /20:45114 /21:53469 /22:113897 /23:111038 /24:685883 /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 8151 7300 13094 AS8151 - UNINET, MX 12479 5771 6852 UNI2-AS - Orange Espagne SA, ES 39891 3727 5044 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3610 3844 SHAW - Shaw Communications, CA 11492 3517 4650 CABLEONE - CABLE ONE, INC., US 16509 3390 17310 AMAZON-02 - Amazon.com, Inc., US 7155 3268 4337 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3125 4921 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2232 3397 AS10620 - Telmex Colombia S.A., CO 30036 2173 2519 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2025 2:2989 3:1291 4:6 5:5465 6:217 7:6 8:1342 9:540 11:172 12:1071 13:1294 14:2708 15:487 16:390 17:473 18:1077 20:616 21:4 22:188 23:8682 24:2814 25:2 27:2946 28:7 29:19 31:3977 32:33 34:94 35:310 36:4924 37:4468 38:10538 39:1450 40:448 41:4598 42:1044 43:3509 44:538 45:20045 46:5009 47:461 48:171 49:2354 50:2029 51:1122 52:1435 54:467 55:940 56:11 57:345 58:2279 59:1367 60:1190 61:3299 62:3166 63:1662 64:6759 65:2252 66:6236 67:3329 68:1352 69:4075 70:1073 71:606 72:3302 74:3161 75:1744 76:595 77:2937 78:2188 79:2097 80:2434 81:2313 82:4425 83:1560 84:2156 85:3922 86:1148 87:3012 88:1355 89:4945 90:768 91:8555 92:2766 93:3047 94:4677 95:4783 96:1459 97:301 98:894 99:1153 100:65 101:1379 102:4764 103:32421 104:5822 105:973 106:972 107:2994 108:1468 109:4023 110:2225 111:4233 112:3220 113:1687 114:2635 115:2350 116:2073 117:3899 118:2602 119:2077 120:2830 121:2018 122:3068 123:2222 124:1687 125:2990 126:175 128:1601 129:1014 130:1795 131:2611 132:886 133:494 134:1858 135:693 136:1593 137:1627 138:3465 139:1824 140:1899 141:2015 142:2755 143:2378 144:1937 145:709 146:2264 147:2421 148:2898 149:3613 150:1459 151:3154 152:2538 153:2245 154:8772 155:2357 156:4198 157:2491 158:1661 159:2944 160:4211 161:2128 162:4272 163:2817 164:2496 165:2792 166:1271 167:2412 168:4289 169:987 170:5635 171:1138 172:4945 173:3468 174:812 175:1435 176:4138 177:6408 178:4668 179:3085 180:3359 181:4770 182:4164 183:2664 184:2202 185:22001 186:6617 187:6845 188:4972 189:4936 190:10016 191:2357 192:12081 193:9631 194:7961 195:5998 196:3501 197:3429 198:6557 199:6192 200:8563 201:6995 202:10635 203:10653 204:4834 205:3800 206:4527 207:4050 208:4356 209:5482 210:4693 211:2739 212:5224 213:4128 214:1035 215:58 216:7323 217:3948 218:1925 219:405 220:2226 221:1443 222:976 223:3671 End of report