[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UH (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Feb 8 22:25:54 UTC 2025
IPv4 R&E Routing Table Report 22:25 GMT Sat 08 Feb, 2025
IPv4 BGP Table (R&E) as seen at UH.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/UniHawaii/
Analysis Summary
----------------
BGP routing table entries examined: 24996
Prefixes after maximum aggregation (per Origin AS): 13714
Deaggregation factor: 1.82
Unique aggregates announced (without unneeded subnets): 15978
Number of IPv4 prefixes with a valid ROA: 13564
Number of IPv4 prefixes with an invalid ROA: 3
Number of IPv4 prefixes with no ROA: 11429
Total ASes present in the Internet Routing Table: 2704
Prefixes per ASN: 9.24
Origin-only ASes present in the Internet Routing Table: 2320
Origin ASes announcing only one prefix: 1036
Transit ASes present in the Internet Routing Table: 384
Transit-only ASes present in the Internet Routing Table: 82
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 1
Number of instances of unregistered ASNs: 1
Number of 32-bit ASNs allocated by the RIRs: 46088
Number of 32-bit ASNs visible in the Routing Table: 650
Prefixes from 32-bit ASNs in the Routing Table: 1740
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 296301800
Equivalent to 17 /8s, 169 /16s and 52 /24s
Percentage of available address space announced: 8.0
Percentage of allocated address space announced: 8.0
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: 3643
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3822
Total APNIC prefixes after maximum aggregation: 1598
APNIC Deaggregation factor: 2.39
Prefixes being announced from the APNIC address blocks: 4005
Unique aggregates announced from the APNIC address blocks: 2011
APNIC Region origin ASes present in the Internet Routing Table: 430
APNIC Prefixes per ASN: 9.31
APNIC Region origin ASes announcing only one prefix: 184
APNIC Region transit ASes present in the Internet Routing Table: 52
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 186
Number of APNIC addresses announced to Internet: 33250088
Equivalent to 1 /8s, 251 /16s and 91 /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, 131072-153913
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: 14827
Total ARIN prefixes after maximum aggregation: 8480
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 14152
Unique aggregates announced from the ARIN address blocks: 9503
ARIN Region origin ASes present in the Internet Routing Table: 1312
ARIN Prefixes per ASN: 10.79
ARIN Region origin ASes announcing only one prefix: 465
ARIN Region transit ASes present in the Internet Routing Table: 164
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 214
Number of ARIN addresses announced to Internet: 174865136
Equivalent to 10 /8s, 108 /16s and 58 /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, 393216-402332
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: 3671
Total RIPE prefixes after maximum aggregation: 2917
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 4139
Unique aggregates announced from the RIPE address blocks: 3509
RIPE Region origin ASes present in the Internet Routing Table: 669
RIPE Prefixes per ASN: 6.19
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 109
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 156
Number of RIPE addresses announced to Internet: 80811648
Equivalent to 4 /8s, 209 /16s and 22 /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
196608-216475
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: 1486
Total LACNIC prefixes after maximum aggregation: 542
LACNIC Deaggregation factor: 2.74
Prefixes being announced from the LACNIC address blocks: 1496
Unique aggregates announced from the LACNIC address blocks: 714
LACNIC Region origin ASes present in the Internet Routing Table: 156
LACNIC Prefixes per ASN: 9.59
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64
Number of LACNIC addresses announced to Internet: 4729936
Equivalent to 0 /8s, 72 /16s and 44 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 1189
Total AfriNIC prefixes after maximum aggregation: 176
AfriNIC Deaggregation factor: 6.76
Prefixes being announced from the AfriNIC address blocks: 1195
Unique aggregates announced from the AfriNIC address blocks: 232
AfriNIC Region origin ASes present in the Internet Routing Table: 54
AfriNIC Prefixes per ASN: 22.13
AfriNIC Region origin ASes announcing only one prefix: 32
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 30
Number of AfriNIC addresses announced to Internet: 2640896
Equivalent to 0 /8s, 40 /16s and 76 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & 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
7497 450 180 24 CSTNET-AS-AP Computer Network Information
1237 195 74 146 KREONET-AS-KR KISTI, KR
7575 190 298 122 AARNET-AS-AP Australian Academic and Rese
55824 147 19 21 NKN-CORE-NW NKN Core Network, IN
10079 144 16 1 UNIWESTSYD-AS-AP University of Western Sy
4538 140 4192 71 ERX-CERNET-BKB China Education and Resear
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
24313 70 16 1 NSW-DET-AS NSW Department of Education, A
4621 69 37 10 UNINET-AS-AP UNINET-, TH
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 4087 4947 1970 AMAZON-02, US
14618 1012 4445 772 AMAZON-AES, US
8075 713 16017 601 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 425 507 99 CENIC-2152, US
2920 221 44 45 LACOE, US
668 210 647 178 DNIC-AS-00668, US
376 202 162 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
18558 140 18 5 NETBLK-RCOEK, US
81 129 519 34 NCREN, US
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 284 1899 249 DFN Verein zur Foerderung eines Deutschen
786 208 1767 183 JANET Jisc Services Limited, GB
559 114 533 104 SWITCH Peering requests: peering at switch.c
8895 110 24 5 ISU Internet Services Unit ISU, SA
1103 98 1743 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
8987 86 243 62 AMAZON EXPANSION, IE
137 80 676 76 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
553 78 462 78 BELWUE BelWue-Koordination, DE
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 311 178 44 Rede Nacional de Ensino e Pesquisa, BR
28391 157 10 69 Universidad Juarez Autonoma de Tabasco, M
11340 109 25 52 Red Universitaria Nacional, CL
4270 53 16 1 Red de Interconexion Universitaria, AR
61468 52 5 17 CEDIA, EC
2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 551 82 3 KENET-AS, KE
2018 379 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37182 36 8 1 TERNET, TZ
37215 34 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
327947 11 4 1 KNUST-, GH
327700 10 16 1 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 4087 4947 1970 AMAZON-02, US
14618 1012 4445 772 AMAZON-AES, US
8075 713 16017 601 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 551 82 3 KENET-AS, KE
7497 450 180 24 CSTNET-AS-AP Computer Network Information
2152 425 507 99 CENIC-2152, US
2018 379 319 71 TENET-1, ZA
1916 311 178 44 Rede Nacional de Ensino e Pesquisa, BR
680 284 1899 249 DFN Verein zur Foerderung eines Deutschen
2920 221 44 45 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 551 548 KENET-AS, KE
7497 450 426 CSTNET-AS-AP Computer Network Information Cente
2152 425 326 CENIC-2152, US
2018 379 308 TENET-1, ZA
1916 311 267 Rede Nacional de Ensino e Pesquisa, BR
14618 1012 240 AMAZON-AES, US
5786 198 197 UPRENET, PR
2920 221 176 LACOE, US
10079 144 143 UNIWESTSYD-AS-AP University of Western Sydney,
18558 140 135 NETBLK-RCOEK, US
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
64.186.3.0/24 Origin: 16509 AMAZON-02, US
64.186.3.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
103.165.160.0/24 Origin: 16509 AMAZON-02, US
103.165.160.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
192.225.212.0/24 Origin: 14618 AMAZON-AES, US
192.225.212.0/24 Transit: 16509 AMAZON-02, US
192.225.223.0/24 Origin: 14618 AMAZON-AES, US
192.225.223.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:3 /11:9 /12:32
/13:41 /14:84 /15:213 /16:2079 /17:468 /18:493
/19:641 /20:981 /21:1105 /22:1707 /23:1845 /24:15001
/25:45 /26:69 /27:97 /28:16 /29:59 /30:7
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 670 4087 AMAZON-02, US
36914 527 551 KENET-AS, KE
14618 321 1012 AMAZON-AES, US
8075 126 713 MICROSOFT-CORP-MSN-AS-BLOCK, US
8895 107 110 ISU Internet Services Unit ISU, SA
1916 75 311 Rede Nacional de Ensino e Pesquisa, BR
2152 53 425 CENIC-2152, US
1 42 128 LVLT-1, US
23024 36 97 OCDE, US
37182 35 36 TERNET, TZ
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:1 3:176 4:2 5:21 6:4
8:2 12:1 13:83 14:93 15:103 16:129
18:158 23:54 24:1 31:4 35:53 38:11
40:6 41:255 42:11 44:4 45:86 46:10
47:1 49:11 50:11 52:835 54:178 57:2
58:1 59:19 60:6 61:3 62:15 63:39
64:153 65:26 66:101 67:70 68:28 69:67
70:21 71:15 72:20 74:86 75:1 76:47
77:12 78:3 79:10 80:14 81:26 82:8
83:9 84:8 85:55 86:6 87:2 88:1
89:18 91:56 92:6 93:39 94:6 95:3
96:7 97:1 98:14 99:68 102:17 103:282
104:139 107:8 108:38 109:7 111:18 113:5
114:24 115:1 116:14 117:66 118:33 119:30
121:28 122:11 124:42 125:5 128:86 129:47
130:168 131:81 132:63 134:109 135:6 136:225
137:244 138:80 139:28 140:47 141:14 142:66
143:33 144:42 145:8 146:140 147:73 148:210
149:20 150:47 151:41 152:142 153:78 154:45
155:113 156:133 157:40 158:43 159:174 160:12
161:51 162:77 163:65 164:29 165:80 166:5
167:39 168:174 169:14 170:207 171:1 172:21
173:37 174:2 175:5 176:5 177:6 178:3
179:10 180:16 181:1 182:6 184:9 185:115
186:3 187:22 188:18 189:3 190:34 191:13
192:1572 193:339 194:137 195:84 196:148 197:335
198:628 199:372 200:269 201:37 202:467 203:473
204:437 205:202 206:249 207:309 208:141 209:205
210:205 211:3 212:159 213:24 214:9 216:227
217:16 218:23 219:2 220:16 222:2 223:15
End of report
More information about the ren-bgp-stats-all
mailing list