[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UH (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Dec 2 22:25:50 UTC 2024
IPv4 R&E Routing Table Report 22:25 GMT Mon 02 Dec, 2024
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: 24231
Prefixes after maximum aggregation (per Origin AS): 13342
Deaggregation factor: 1.82
Unique aggregates announced (without unneeded subnets): 15588
Number of IPv4 prefixes with a valid ROA: 13174
Number of IPv4 prefixes with an invalid ROA: 27
Number of IPv4 prefixes with no ROA: 11030
Total ASes present in the Internet Routing Table: 2604
Prefixes per ASN: 9.31
Origin-only ASes present in the Internet Routing Table: 2237
Origin ASes announcing only one prefix: 993
Transit ASes present in the Internet Routing Table: 367
Transit-only ASes present in the Internet Routing Table: 73
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 20
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: 45931
Number of 32-bit ASNs visible in the Routing Table: 633
Prefixes from 32-bit ASNs in the Routing Table: 1797
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: 7
Number of addresses announced to Internet: 295753448
Equivalent to 17 /8s, 160 /16s and 214 /24s
Percentage of available address space announced: 8.0
Percentage of allocated address space announced: 8.0
Percentage of available address space allocated: 100.1
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 3461
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3793
Total APNIC prefixes after maximum aggregation: 1591
APNIC Deaggregation factor: 2.38
Prefixes being announced from the APNIC address blocks: 3957
Unique aggregates announced from the APNIC address blocks: 1982
APNIC Region origin ASes present in the Internet Routing Table: 426
APNIC Prefixes per ASN: 9.29
APNIC Region origin ASes announcing only one prefix: 181
APNIC Region transit ASes present in the Internet Routing Table: 53
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 183
Number of APNIC addresses announced to Internet: 33168680
Equivalent to 1 /8s, 250 /16s and 29 /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: 14400
Total ARIN prefixes after maximum aggregation: 8349
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 13748
Unique aggregates announced from the ARIN address blocks: 9402
ARIN Region origin ASes present in the Internet Routing Table: 1298
ARIN Prefixes per ASN: 10.59
ARIN Region origin ASes announcing only one prefix: 451
ARIN Region transit ASes present in the Internet Routing Table: 155
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 216
Number of ARIN addresses announced to Internet: 174836464
Equivalent to 10 /8s, 107 /16s and 202 /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: 3351
Total RIPE prefixes after maximum aggregation: 2688
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3817
Unique aggregates announced from the RIPE address blocks: 3248
RIPE Region origin ASes present in the Internet Routing Table: 602
RIPE Prefixes per ASN: 6.34
RIPE Region origin ASes announcing only one prefix: 277
RIPE Region transit ASes present in the Internet Routing Table: 102
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 142
Number of RIPE addresses announced to Internet: 80445824
Equivalent to 4 /8s, 203 /16s and 129 /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: 1533
Total LACNIC prefixes after maximum aggregation: 542
LACNIC Deaggregation factor: 2.83
Prefixes being announced from the LACNIC address blocks: 1543
Unique aggregates announced from the LACNIC address blocks: 726
LACNIC Region origin ASes present in the Internet Routing Table: 154
LACNIC Prefixes per ASN: 10.02
LACNIC Region origin ASes announcing only one prefix: 53
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 4691792
Equivalent to 0 /8s, 71 /16s and 151 /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: 1153
Total AfriNIC prefixes after maximum aggregation: 171
AfriNIC Deaggregation factor: 6.74
Prefixes being announced from the AfriNIC address blocks: 1159
Unique aggregates announced from the AfriNIC address blocks: 223
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 23.18
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 2607104
Equivalent to 0 /8s, 39 /16s and 200 /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 447 180 24 CSTNET-AS-AP Computer Network Information
7575 332 314 120 AARNET-AS-AP Australian Academic and Rese
1237 194 74 145 KREONET-AS-KR KISTI, KR
4538 139 4192 71 ERX-CERNET-BKB China Education and Resear
55824 131 18 18 NKN-CORE-NW NKN Core Network, IN
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
2697 60 4 35 ERX-ERNET-AS Education and Research Netwo
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 4027 4853 1941 AMAZON-02, US
14618 1014 4443 765 AMAZON-AES, US
8075 687 16015 578 MICROSOFT-CORP-MSN-AS-BLOCK, US
668 205 648 174 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2920 175 34 7 LACOE, US
2152 153 507 98 CENIC-2152, US
18558 140 18 4 NETBLK-RCOEK, US
81 134 517 33 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
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
786 184 1767 183 JANET Jisc Services Limited, GB
8895 132 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 96 1743 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
8987 81 226 58 AMAZON EXPANSION, IE
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 301 178 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 110 25 53 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 53 5 19 CEDIA, EC
2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 Red de Interconexion Universitaria, AR
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blumena
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 548 82 3 KENET-AS, KE
2018 380 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
327700 16 16 1 MoRENet, MZ
37074 15 8 2 UG-AS, GH
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
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 4027 4853 1941 AMAZON-02, US
14618 1014 4443 765 AMAZON-AES, US
8075 687 16015 578 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 548 82 3 KENET-AS, KE
7497 447 180 24 CSTNET-AS-AP Computer Network Information
2018 380 319 71 TENET-1, ZA
7575 332 314 120 AARNET-AS-AP Australian Academic and Rese
1916 301 178 43 Rede Nacional de Ensino e Pesquisa, BR
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
668 205 648 174 DNIC-AS-00668, 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 548 545 KENET-AS, KE
7497 447 423 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
1916 301 258 Rede Nacional de Ensino e Pesquisa, BR
14618 1014 249 AMAZON-AES, US
7575 332 212 AARNET-AS-AP Australian Academic and Research N
5786 198 197 UPRENET, PR
2920 175 168 LACOE, US
18558 140 136 NETBLK-RCOEK, US
8895 132 127 ISU Internet Services Unit ISU, SA
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
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH
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 /15:211 /16:2083 /17:472 /18:486
/19:621 /20:954 /21:1061 /22:1624 /23:1727 /24:14512
/25:48 /26:67 /27:97 /28:25 /29:63 /30:7
/31:0 /32:3
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 671 4027 AMAZON-02, US
36914 524 548 KENET-AS, KE
14618 325 1014 AMAZON-AES, US
8895 127 132 ISU Internet Services Unit ISU, SA
8075 123 687 MICROSOFT-CORP-MSN-AS-BLOCK, US
1916 75 301 Rede Nacional de Ensino e Pesquisa, BR
1 42 128 LVLT-1, US
23024 37 95 OCDE, US
32440 37 63 LONI, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:1 3:167 4:2 5:21 6:4
8:2 12:1 13:86 14:92 15:105 16:129
18:153 23:50 24:1 31:4 34:2 35:42
37:8 38:11 40:5 41:227 42:11 44:6
45:77 46:11 47:1 49:10 50:12 52:836
54:178 58:1 59:19 60:5 61:3 62:8
63:39 64:147 65:25 66:98 67:71 68:28
69:64 70:25 71:16 72:20 74:87 75:1
76:50 77:9 78:3 79:10 80:7 81:25
82:3 83:3 84:8 85:29 86:3 87:2
88:1 89:19 91:59 92:4 93:45 94:6
95:3 96:7 97:1 98:14 99:68 101:1
102:16 103:271 104:132 107:8 108:40 109:7
111:18 113:5 114:24 115:1 116:14 117:66
118:33 119:24 121:28 122:11 124:42 125:5
128:83 129:41 130:169 131:79 132:64 134:109
135:6 136:225 137:206 138:80 139:30 140:50
141:14 142:77 143:34 144:44 145:8 146:138
147:74 148:206 149:19 150:48 151:38 152:149
153:78 154:40 155:109 156:136 157:41 158:42
159:170 160:9 161:49 162:78 163:68 164:29
165:76 166:7 167:24 168:174 169:15 170:195
171:1 172:19 173:38 174:2 175:5 176:5
177:6 178:3 179:14 180:16 181:1 182:6
184:9 185:111 186:3 187:21 188:14 189:2
190:18 191:12 192:1559 193:283 194:109 195:72
196:146 197:335 198:545 199:371 200:344 201:37
202:466 203:465 204:421 205:172 206:245 207:270
208:142 209:153 210:203 211:3 212:177 213:21
214:8 216:216 217:13 218:23 219:2 220:17
222:2 223:15
End of report
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