[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UH (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jul 1 22:25:44 UTC 2024
IPv4 R&E Routing Table Report 22:25 GMT Mon 01 Jul, 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: 23723
Prefixes after maximum aggregation (per Origin AS): 13121
Deaggregation factor: 1.81
Unique aggregates announced (without unneeded subnets): 15187
Number of IPv4 prefixes with a valid ROA: 11217
Number of IPv4 prefixes with an invalid ROA: 7
Number of IPv4 prefixes with no ROA: 12499
Total ASes present in the Internet Routing Table: 2700
Prefixes per ASN: 8.79
Origin-only ASes present in the Internet Routing Table: 2319
Origin ASes announcing only one prefix: 1015
Transit ASes present in the Internet Routing Table: 381
Transit-only ASes present in the Internet Routing Table: 88
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: 16
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: 44928
Number of 32-bit ASNs visible in the Routing Table: 638
Prefixes from 32-bit ASNs in the Routing Table: 1789
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: 284997164
Equivalent to 16 /8s, 252 /16s and 182 /24s
Percentage of available address space announced: 7.7
Percentage of allocated address space announced: 7.7
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: 3384
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 3833
Total APNIC prefixes after maximum aggregation: 1619
APNIC Deaggregation factor: 2.37
Prefixes being announced from the APNIC address blocks: 3991
Unique aggregates announced from the APNIC address blocks: 1974
APNIC Region origin ASes present in the Internet Routing Table: 448
APNIC Prefixes per ASN: 8.91
APNIC Region origin ASes announcing only one prefix: 190
APNIC Region transit ASes present in the Internet Routing Table: 53
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 198
Number of APNIC addresses announced to Internet: 33354024
Equivalent to 1 /8s, 252 /16s and 241 /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: 13876
Total ARIN prefixes after maximum aggregation: 7943
ARIN Deaggregation factor: 1.75
Prefixes being announced from the ARIN address blocks: 13376
Unique aggregates announced from the ARIN address blocks: 8971
ARIN Region origin ASes present in the Internet Routing Table: 1306
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 456
ARIN Region transit ASes present in the Internet Routing Table: 171
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: 211
Number of ARIN addresses announced to Internet: 173204052
Equivalent to 10 /8s, 82 /16s and 226 /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, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 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: 3559
Total RIPE prefixes after maximum aggregation: 2854
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3878
Unique aggregates announced from the RIPE address blocks: 3290
RIPE Region origin ASes present in the Internet Routing Table: 659
RIPE Prefixes per ASN: 5.88
RIPE Region origin ASes announcing only one prefix: 291
RIPE Region transit ASes present in the Internet Routing Table: 99
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: 149
Number of RIPE addresses announced to Internet: 71038592
Equivalent to 4 /8s, 59 /16s and 246 /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,
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: 1389
Total LACNIC prefixes after maximum aggregation: 552
LACNIC Deaggregation factor: 2.52
Prefixes being announced from the LACNIC address blocks: 1399
Unique aggregates announced from the LACNIC address blocks: 745
LACNIC Region origin ASes present in the Internet Routing Table: 167
LACNIC Prefixes per ASN: 8.38
LACNIC Region origin ASes announcing only one prefix: 62
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 68
Number of LACNIC addresses announced to Internet: 4837424
Equivalent to 0 /8s, 73 /16s and 208 /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: 1065
Total AfriNIC prefixes after maximum aggregation: 152
AfriNIC Deaggregation factor: 7.01
Prefixes being announced from the AfriNIC address blocks: 1070
Unique aggregates announced from the AfriNIC address blocks: 198
AfriNIC Region origin ASes present in the Internet Routing Table: 31
AfriNIC Prefixes per ASN: 34.52
AfriNIC Region origin ASes announcing only one prefix: 16
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 4.4
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 12
Number of AfriNIC addresses announced to Internet: 2557440
Equivalent to 0 /8s, 39 /16s and 6 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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 445 180 24 CSTNET-AS-AP Computer Network Informati
7575 334 330 121 AARNET-AS-AP Australian Academic and Re
1237 194 74 142 KREONET-AS-KR KISTI, KR
55824 132 19 20 NKN-CORE-NW NKN Core Network, IN
4538 129 4192 72 ERX-CERNET-BKB China Education and Rese
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
24313 70 16 1 NSW-DET-AS NSW Department of Education,
4621 69 37 10 UNINET-AS-AP UNINET-, TH
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
1659 52 1466 35 ERX-TANET-ASN1 Taiwan Academic Network
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 3729 4808 1764 AMAZON-02, US
14618 966 4179 724 AMAZON-AES, US
8075 504 13697 421 MICROSOFT-CORP-MSN-AS-BLOCK, US
668 205 648 174 DNIC-AS-00668, US
376 202 162 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2152 184 507 95 CSUNET-NW, US
2920 176 34 7 LACOE, US
18558 140 18 4 NETBLK-RCOEK, US
81 133 517 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 250 DFN Verein zur Foerderung eines Deutsch
786 184 1767 181 JANET Jisc Services Limited, GB
8895 136 24 5 ISU Internet Services Unit ISU, SA
559 113 533 103 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 91 26 71 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 75 26 65 RUNNET, RU
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 157 176 44 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 109 25 52 Red Universitaria Nacional, CL
271640 64 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo
61468 44 5 15 CEDIA, EC
3596 40 8 4 Universidad Autonoma Metropolitana, MX
28614 38 2 2 Fundacao Universidade Regional de Blume
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 453 82 3 KENET-AS, KE
2018 380 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
327700 47 16 1 MoRENet, MZ
37215 36 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37661 13 8 5 NRaE1-AS, NG
37182 11 8 1 TERNET, TZ
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 3729 4808 1764 AMAZON-02, US
14618 966 4179 724 AMAZON-AES, US
8075 504 13697 421 MICROSOFT-CORP-MSN-AS-BLOCK, US
36914 453 82 3 KENET-AS, KE
7497 445 180 24 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
7575 334 330 121 AARNET-AS-AP Australian Academic and Re
680 283 1899 250 DFN Verein zur Foerderung eines Deutsch
668 205 648 174 DNIC-AS-00668, US
376 202 162 151 RISQ-AS, CA
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 453 450 KENET-AS, KE
7497 445 421 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
14618 966 242 AMAZON-AES, US
7575 334 213 AARNET-AS-AP Australian Academic and Research N
5786 198 197 UPRENET, PR
2920 176 169 LACOE, US
18558 140 136 NETBLK-RCOEK, US
8895 136 131 ISU Internet Services Unit ISU, SA
1916 157 113 Rede Nacional de Ensino e Pesquisa, BR
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
45.42.252.0/22 Origin: 16509 AMAZON-02, US
45.42.252.0/22 Transit: 11537 INTERNET2-RESEARCH-EDU, US
64.186.3.0/24 Origin: 16509 AMAZON-02, US
64.186.3.0/24 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
170.39.88.0/24 Origin: 14618 AMAZON-AES, US
170.39.88.0/24 Transit: 16509 AMAZON-02, US
173.249.168.0/22 Origin: 16509 AMAZON-02, US
173.249.168.0/22 Transit: 11537 INTERNET2-RESEARCH-EDU, 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 /12:31
/13:38 /14:83 /15:205 /16:1971 /17:469 /18:477
/19:620 /20:989 /21:1034 /22:1609 /23:1743 /24:14087
/25:41 /26:43 /27:130 /28:33 /29:69 /30:25
/31:9 /32:4
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 595 3729 AMAZON-02, US
36914 443 453 KENET-AS, KE
14618 312 966 AMAZON-AES, US
8895 131 136 ISU Internet Services Unit ISU, SA
8075 109 504 MICROSOFT-CORP-MSN-AS-BLOCK, US
32440 81 115 LONI, US
23024 49 107 OCDE, US
1 42 128 LVLT-1, US
327700 41 47 MoRENet, MZ
3267 35 75 RUNNET, RU
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:1 3:125 4:2 5:21 6:4
8:2 12:1 13:91 14:90 15:101 16:119
18:125 23:45 24:1 31:1 34:3 35:19
38:10 40:6 41:201 42:10 44:6 45:80
46:12 47:1 49:10 50:12 52:840 54:178
58:1 59:19 60:6 61:3 62:15 63:40
64:155 65:16 66:87 67:71 68:25 69:65
70:26 71:16 72:17 74:81 75:1 76:47
77:11 78:3 79:10 80:14 81:25 82:6
83:7 84:7 85:44 86:5 87:2 88:1
89:18 91:61 92:5 93:5 94:6 95:3
96:7 97:2 98:12 99:67 101:1 102:5
103:304 104:130 107:3 108:41 109:11 111:17
113:5 114:24 115:1 116:13 117:65 118:34
119:23 121:27 122:11 124:41 125:5 128:78
129:45 130:160 131:77 132:65 134:109 135:5
136:217 137:204 138:75 139:29 140:51 141:10
142:49 143:32 144:28 145:7 146:137 147:77
148:205 149:17 150:48 151:35 152:142 153:79
154:37 155:97 156:137 157:35 158:47 159:172
160:6 161:45 162:79 163:64 164:32 165:76
166:2 167:28 168:174 169:12 170:193 171:1
172:16 173:32 174:2 175:18 176:13 177:6
178:2 179:15 180:16 181:1 182:4 184:8
185:110 186:3 187:17 188:16 189:3 190:18
191:13 192:1549 193:280 194:136 195:71 196:152
197:320 198:561 199:374 200:260 201:38 202:427
203:453 204:407 205:172 206:228 207:251 208:131
209:171 210:195 211:14 212:169 213:21 214:8
216:206 217:13 218:22 219:1 220:17 222:2
223:14
End of report
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