IPv4 R&E Routing Table Report 21:35 GMT Fri 30 Oct, 2026 IPv4 BGP Table (Global) as seen at USP. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/USP/ Analysis Summary ---------------- BGP routing table entries examined: 1075270 Prefixes after maximum aggregation (per Origin AS): 416554 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 539730 Number of IPv4 prefixes with a valid ROA: 761660 Number of IPv4 prefixes with an invalid ROA: 231 Number of IPv4 prefixes with no ROA: 313379 Total ASes present in the Internet Routing Table: 79714 Prefixes per ASN: 13.49 Origin-only ASes present in the Internet Routing Table: 68244 Origin ASes announcing only one prefix: 28036 Transit ASes present in the Internet Routing Table: 11470 Transit-only ASes present in the Internet Routing Table: 632 Paths with bogon ASNs present in the IPv4 Routing Table: 334 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 54 Max AS path prepend of ASN ( 37447) 50 Prefixes from unregistered ASNs in the Routing Table: 1228 Number of instances of unregistered ASNs: 1251 Number of 32-bit ASNs allocated by the RIRs: 51945 Number of 32-bit ASNs visible in the Routing Table: 42120 Prefixes from 32-bit ASNs in the Routing Table: 244162 Number of bogon 32-bit ASNs visible in the Routing Table: 60 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 549 Number of addresses announced to Internet: 3127038464 Equivalent to 186 /8s, 98 /16s and 210 /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: 357678 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 286423 Total APNIC prefixes after maximum aggregation: 85545 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 272541 Unique aggregates announced from the APNIC address blocks: 110818 APNIC Region origin ASes present in the Internet Routing Table: 15458 APNIC Prefixes per ASN: 17.63 APNIC Region origin ASes announcing only one prefix: 4831 APNIC Region transit ASes present in the Internet Routing Table: 2062 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 40 Number of APNIC region 32-bit ASNs visible in the Routing Table: 11073 Number of APNIC addresses announced to Internet: 748697600 Equivalent to 44 /8s, 160 /16s and 56 /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: 315245 Total ARIN prefixes after maximum aggregation: 140632 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 312090 Unique aggregates announced from the ARIN address blocks: 153315 ARIN Region origin ASes present in the Internet Routing Table: 19588 ARIN Prefixes per ASN: 15.93 ARIN Region origin ASes announcing only one prefix: 7246 ARIN Region transit ASes present in the Internet Routing Table: 1984 Average ARIN Region AS path length visible: 5.0 Max ARIN Region AS path length visible: 46 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5886 Number of ARIN addresses announced to Internet: 1355469568 Equivalent to 80 /8s, 202 /16s and 211 /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: 301238 Total RIPE prefixes after maximum aggregation: 150420 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 309567 Unique aggregates announced from the RIPE address blocks: 204380 RIPE Region origin ASes present in the Internet Routing Table: 29986 RIPE Prefixes per ASN: 10.32 RIPE Region origin ASes announcing only one prefix: 12418 RIPE Region transit ASes present in the Internet Routing Table: 4170 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 49 Number of RIPE region 32-bit ASNs visible in the Routing Table: 14068 Number of RIPE addresses announced to Internet: 751385600 Equivalent to 44 /8s, 201 /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 196608-219547 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: 132368 Total LACNIC prefixes after maximum aggregation: 32001 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 125710 Unique aggregates announced from the LACNIC address blocks: 51793 LACNIC Region origin ASes present in the Internet Routing Table: 11545 LACNIC Prefixes per ASN: 10.89 LACNIC Region origin ASes announcing only one prefix: 2767 LACNIC Region transit ASes present in the Internet Routing Table: 2659 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 39 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9622 Number of LACNIC addresses announced to Internet: 167397120 Equivalent to 9 /8s, 250 /16s and 71 /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: 38768 Total AfriNIC prefixes after maximum aggregation: 7201 AfriNIC Deaggregation factor: 5.38 Prefixes being announced from the AfriNIC address blocks: 54812 Unique aggregates announced from the AfriNIC address blocks: 18960 AfriNIC Region origin ASes present in the Internet Routing Table: 2106 AfriNIC Prefixes per ASN: 26.03 AfriNIC Region origin ASes announcing only one prefix: 774 AfriNIC Region transit ASes present in the Internet Routing Table: 391 Average AfriNIC Region AS path length visible: 6.4 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1471 Number of AfriNIC addresses announced to Internet: 103785728 Equivalent to 6 /8s, 47 /16s and 165 /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 4646 842 280 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4101 1331 24 VIETEL-AS-AP - Viettel Group, VN 17561 3957 248 577 LCS-AS-AP - LARUS Limited, HK 56046 3638 888 183 CMNET-Jiangsu-AP - China Mobile communica 7713 3504 1044 69 telkomnet-as-ap - PT Telekomunikasi Indon 140292 3265 330 1663 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 45899 3246 1867 103 VNPT-AS-VN - VNPT Corp, VN 24560 2393 539 669 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 17383 42611 5620 AMAZON-02 - Amazon.com, Inc., US 22773 4944 3343 468 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 3554 5382 603 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3323 246 1175 AS-COLOCROSSING - HostPapa, US 749 3131 54647 2382 DNIC-AS-00749 - United States Department 7029 2952 2573 936 WINDSTREAM - Windstream Communications LL 31898 2857 1433 1193 ORACLE-BMC-31898 - Oracle Corporation, US Complete listing at https://bgp.nsrc.org/REN/USP/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 4346 388 2645 M247 - M247 Europe SRL, RO 20940 3838 3388 105 AKAMAI-ASN1 - Akamai International B.V., 212238 3610 261 2767 CDNEXT - Datacamp Limited, GB 12389 3111 2329 872 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2526 155 30 KCELL-AS - Kcell JSC, KZ 34984 2510 369 591 TELLCOM-AS - Superonline Iletisim Hizmetl 25019 1946 1384 141 SAUDINETSTC-AS - Saudi Telecom Company JS 3257 1760 2090 991 GTT-BACKBONE - GTT Communications Inc., U Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 13092 3301 612 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 1848 369 65 AS11830 - Instituto Costarricense de Elec 11664 1509 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/USP/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 1459 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 719 172 287 Dimension Data - Dimension Data, ZA 36873 545 141 39 Airtel Networks Limited - Airtel Networks Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 17383 42611 5620 AMAZON-02 - Amazon.com, Inc., US 9808 14011 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13092 3301 612 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 4944 3343 468 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4650 309 1092 CABLEONE - CABLE ONE, INC., US 7545 4646 842 280 TPG-INTERNET-AP - TPG Telecom Limited, AU 9009 4346 388 2645 M247 - M247 Europe SRL, RO Complete listing at https://bgp.nsrc.org/REN/USP/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 13092 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 4944 4476 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4646 4366 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4337 4250 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4101 4077 VIETEL-AS-AP - Viettel Group, VN 6327 3844 3770 SHAW - Shaw Communications, CA Complete listing at https://bgp.nsrc.org/REN/USP/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 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 Complete listing at https://bgp.nsrc.org/REN/USP/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/USP/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 /13:589 /14:1192 /15:2131 /16:13734 /17:8288 /18:13277 /19:25467 /20:45170 /21:53451 /22:113983 /23:110960 /24:686562 /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 13092 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 3406 17383 AMAZON-02 - Amazon.com, Inc., US 7155 3268 4337 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3132 4944 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/USP/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2026 2:2988 3:1321 4:6 5:5484 6:217 7:6 8:1341 9:535 11:172 12:1071 13:1310 14:2707 15:487 16:385 17:473 18:1102 20:619 21:4 22:188 23:8677 24:2818 25:2 27:2944 28:7 29:19 31:3989 32:33 34:94 35:310 36:4926 37:4464 38:10559 39:1450 40:450 41:4589 42:1049 43:3519 44:538 45:20061 46:5063 47:459 48:171 49:2358 50:2025 51:1115 52:1439 54:473 55:985 56:11 57:347 58:2288 59:1363 60:1189 61:3300 62:3187 63:1677 64:6766 65:2262 66:6279 67:3330 68:1352 69:4073 70:1073 71:604 72:3303 74:3161 75:1744 76:595 77:2945 78:2187 79:2085 80:2434 81:2313 82:4405 83:1520 84:2164 85:3933 86:1150 87:3006 88:1359 89:4975 90:774 91:8566 92:2788 93:3048 94:4682 95:4787 96:1458 97:301 98:895 99:1153 100:65 101:1376 102:4789 103:32424 104:5823 105:972 106:973 107:3013 108:1464 109:4100 110:2227 111:4232 112:3230 113:1687 114:2635 115:2318 116:2073 117:3900 118:2597 119:2078 120:2831 121:2017 122:3065 123:2236 124:1684 125:2987 126:175 128:1602 129:1014 130:1790 131:2618 132:887 133:494 134:1853 135:685 136:1590 137:1623 138:3465 139:1828 140:1895 141:2031 142:2752 143:2380 144:1947 145:710 146:2270 147:2416 148:2899 149:3618 150:1458 151:3160 152:2522 153:2251 154:8888 155:2400 156:4209 157:2496 158:1658 159:3002 160:4203 161:2114 162:4265 163:2814 164:2511 165:2790 166:1271 167:2415 168:4273 169:990 170:5629 171:1136 172:4939 173:3477 174:812 175:1435 176:4144 177:6371 178:4666 179:3064 180:3364 181:4775 182:4167 183:2664 184:2203 185:21994 186:6609 187:6848 188:4976 189:4980 190:10026 191:2354 192:12052 193:9628 194:7966 195:6001 196:3499 197:3426 198:6548 199:6196 200:8555 201:6996 202:10621 203:10656 204:4844 205:3805 206:4524 207:4052 208:4347 209:5478 210:4693 211:2740 212:5236 213:4155 214:1035 215:58 216:7311 217:3963 218:1926 219:412 220:2227 221:1443 222:977 223:3671 End of report