IPv4 R&E Routing Table Report 21:10 GMT Sat 01 Aug, 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: 1060936 Prefixes after maximum aggregation (per Origin AS): 407789 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 526269 Number of IPv4 prefixes with a valid ROA: 718669 Number of IPv4 prefixes with an invalid ROA: 133 Number of IPv4 prefixes with no ROA: 342134 Total ASes present in the Internet Routing Table: 78924 Prefixes per ASN: 13.44 Origin-only ASes present in the Internet Routing Table: 67503 Origin ASes announcing only one prefix: 27674 Transit ASes present in the Internet Routing Table: 11421 Transit-only ASes present in the Internet Routing Table: 620 Paths with bogon ASNs present in the IPv4 Routing Table: 19 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 68 Max AS path prepend of ASN (269326) 61 Prefixes from unregistered ASNs in the Routing Table: 1264 Number of instances of unregistered ASNs: 1306 Number of 32-bit ASNs allocated by the RIRs: 50656 Number of 32-bit ASNs visible in the Routing Table: 41216 Prefixes from 32-bit ASNs in the Routing Table: 236206 Number of bogon 32-bit ASNs visible in the Routing Table: 96 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 499 Number of addresses announced to Internet: 3118848768 Equivalent to 185 /8s, 229 /16s and 219 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 347607 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288048 Total APNIC prefixes after maximum aggregation: 84137 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 273944 Unique aggregates announced from the APNIC address blocks: 109166 APNIC Region origin ASes present in the Internet Routing Table: 15281 APNIC Prefixes per ASN: 17.93 APNIC Region origin ASes announcing only one prefix: 4720 APNIC Region transit ASes present in the Internet Routing Table: 2056 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10875 Number of APNIC addresses announced to Internet: 748410880 Equivalent to 44 /8s, 155 /16s and 216 /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: 307584 Total ARIN prefixes after maximum aggregation: 138123 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 306102 Unique aggregates announced from the ARIN address blocks: 150271 ARIN Region origin ASes present in the Internet Routing Table: 19498 ARIN Prefixes per ASN: 15.70 ARIN Region origin ASes announcing only one prefix: 7156 ARIN Region transit ASes present in the Internet Routing Table: 1972 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 45 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5716 Number of ARIN addresses announced to Internet: 1348238592 Equivalent to 80 /8s, 92 /16s and 125 /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: 295854 Total RIPE prefixes after maximum aggregation: 146381 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 300411 Unique aggregates announced from the RIPE address blocks: 195829 RIPE Region origin ASes present in the Internet Routing Table: 29642 RIPE Prefixes per ASN: 10.13 RIPE Region origin ASes announcing only one prefix: 12264 RIPE Region transit ASes present in the Internet Routing Table: 4134 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 45 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13663 Number of RIPE addresses announced to Internet: 749592064 Equivalent to 44 /8s, 173 /16s and 222 /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: 130456 Total LACNIC prefixes after maximum aggregation: 31360 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 124890 Unique aggregates announced from the LACNIC address blocks: 51087 LACNIC Region origin ASes present in the Internet Routing Table: 11476 LACNIC Prefixes per ASN: 10.88 LACNIC Region origin ASes announcing only one prefix: 2799 LACNIC Region transit ASes present in the Internet Routing Table: 2662 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9549 Number of LACNIC addresses announced to Internet: 168373504 Equivalent to 10 /8s, 9 /16s and 45 /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: 37730 Total AfriNIC prefixes after maximum aggregation: 7077 AfriNIC Deaggregation factor: 5.33 Prefixes being announced from the AfriNIC address blocks: 55089 Unique aggregates announced from the AfriNIC address blocks: 19490 AfriNIC Region origin ASes present in the Internet Routing Table: 2047 AfriNIC Prefixes per ASN: 26.91 AfriNIC Region origin ASes announcing only one prefix: 735 AfriNIC Region transit ASes present in the Internet Routing Table: 392 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1413 Number of AfriNIC addresses announced to Internet: 103956736 Equivalent to 6 /8s, 50 /16s and 65 /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 14097 8737 120 CHINAMOBILE-CN - China Mobile Communicati 7545 5835 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5059 558 341 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4637 347 24 FPT-VN - FPT Telecom Company, VN 7552 4023 1331 24 VIETEL-AS-AP - Viettel Group, VN 17561 3759 236 607 LCS-AS-AP - LARUS Limited, HK 7713 3732 1044 63 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3584 887 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3390 1868 97 VNPT-AS-VN - VNPT Corp, VN 24560 2680 703 737 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 15650 41522 5631 AMAZON-02 - Amazon.com, Inc., US 22773 4803 3182 370 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4615 306 1125 CABLEONE - CABLE ONE, INC., US 7155 3992 286 98 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3727 1305 74 SHAW - Shaw Communications, CA 396982 3450 4878 540 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3186 238 1125 AS-COLOCROSSING - HostPapa, US 749 3135 54727 2386 DNIC-AS-00749 - United States Department 7029 2721 2535 880 WINDSTREAM - Windstream Communications LL 30036 2551 357 551 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C 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 7009 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4175 376 2559 M247 - M247 Europe SRL, RO 20940 3810 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3485 250 2627 CDNEXT - Datacamp Limited, GB 12389 3125 2330 872 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2549 151 25 KCELL-AS - Kcell JSC, KZ 34984 2488 367 585 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1913 120 917 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1714 1852 14 TE-AS - IDDQD-AS, EG 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 12935 3288 616 AS8151 - UNINET, MX 10620 3444 451 1107 AS10620 - Telmex Colombia S.A., CO 13999 2281 499 332 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1897 369 65 AS11830 - Instituto Costarricense de Elec 11664 1493 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1372 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1211 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1096 70 385 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1053 2384 95 AS26615 - TIM S/A, 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 24835 1987 601 34 Vodafone Data - Vodafone Data, EG 36992 1930 1543 333 ETISALAT MISR - ETISALAT MISR, EG 36903 1350 587 104 Office National des Postes et Telecommuni 24863 1318 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1274 523 48 Vodafone Data - Vodafone Data, EG 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 591 54 191 Africa on Cloud - Africa on Cloud, ZA 15399 553 57 62 Wananchi Group (Kenya) Limited - Wananchi 36914 552 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 15650 41522 5631 AMAZON-02 - Amazon.com, Inc., US 9808 14097 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 12935 3288 616 AS8151 - UNINET, MX 12479 7009 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5835 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5059 558 341 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4803 3182 370 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4637 347 24 FPT-VN - FPT Telecom Company, VN 11492 4615 306 1125 CABLEONE - CABLE ONE, INC., US 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 14097 13977 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12935 12319 AS8151 - UNINET, MX 12479 7009 6859 UNI2-AS - Orange Espagne SA, ES 7545 5835 5385 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5059 4718 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4637 4613 FPT-VN - FPT Telecom Company, VN 22773 4803 4433 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4023 3999 VIETEL-AS-AP - Viettel Group, VN 7155 3992 3894 VIASAT-SP-BACKBONE - ViaSat,Inc., US 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 394928 UNALLOCATED 8.2.70.0/24 6461 ZAYO-6461 - Zayo Bandwi 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 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: 32217 GPIEX - GPIEX INC, US 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 /14:1188 /15:2129 /16:13723 /17:8308 /18:13245 /19:25480 /20:45597 /21:53407 /22:113384 /23:110038 /24:673383 /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 7125 12935 AS8151 - UNINET, MX 12479 5936 7009 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 11492 3511 4615 CABLEONE - CABLE ONE, INC., US 6327 3508 3727 SHAW - Shaw Communications, CA 22773 3056 4803 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2962 15650 AMAZON-02 - Amazon.com, Inc., US 7155 2946 3992 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2248 3444 AS10620 - Telmex Colombia S.A., CO 30036 2206 2551 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) ---------------------------------------------- 1:2596 2:2818 3:1026 4:5 5:5339 6:206 7:6 8:1368 9:94 11:172 12:1104 13:810 14:2742 15:482 16:259 17:455 18:945 20:618 21:4 22:188 23:8540 24:2784 25:2 27:2875 28:5 29:19 31:3817 32:36 34:94 35:290 36:4857 37:4455 38:10146 39:1377 40:424 41:4595 42:2228 43:3334 44:474 45:20030 46:4977 47:458 48:168 49:2262 50:2012 51:794 52:1373 54:306 55:1243 56:11 57:326 58:2401 59:1347 60:1213 61:3186 62:3169 63:1750 64:6566 65:2139 66:6205 67:3343 68:1282 69:4063 70:1046 71:612 72:3257 74:3054 75:1598 76:591 77:2928 78:2109 79:1835 80:2365 81:2284 82:4253 83:1483 84:2166 85:3911 86:1106 87:2764 88:1322 89:4820 90:768 91:8489 92:2741 93:3039 94:4479 95:4731 96:1454 97:311 98:930 99:970 100:73 101:1595 102:4725 103:32452 104:5650 105:831 106:915 107:2979 108:1339 109:3922 110:2279 111:4183 112:3137 113:1934 114:2504 115:2339 116:2086 117:3680 118:3056 119:2073 120:2807 121:1675 122:3042 123:2229 124:1678 125:2979 126:156 128:1606 129:975 130:1717 131:2539 132:888 133:493 134:1764 135:646 136:1557 137:1581 138:3438 139:1813 140:1872 141:1810 142:2620 143:2155 144:1870 145:697 146:2189 147:2309 148:2807 149:3593 150:1405 151:2952 152:2428 153:2009 154:9895 155:2378 156:4639 157:2444 158:1623 159:2894 160:3909 161:2045 162:4207 163:2684 164:2386 165:2783 166:1208 167:2370 168:4247 169:907 170:5627 171:1129 172:4918 173:3473 174:889 175:1400 176:4025 177:5253 178:4505 179:2509 180:3234 181:4665 182:4068 183:2865 184:2051 185:21970 186:6557 187:5575 188:4747 189:4682 190:9942 191:1777 192:11831 193:9637 194:7960 195:5903 196:3449 197:3146 198:6348 199:6108 200:8448 201:6668 202:10699 203:10708 204:4753 205:3773 206:4429 207:4114 208:4331 209:5474 210:4777 211:2719 212:5209 213:4130 214:1025 215:47 216:7317 217:3753 218:1877 219:417 220:2284 221:1353 222:949 223:3587 End of report