[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UH (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat May 27 22:25:44 UTC 2023
IPv4 R&E Routing Table Report 22:25 GMT Sat 27 May, 2023
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: 25120
Prefixes after maximum aggregation (per Origin AS): 13688
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 16356
Number of IPv4 prefixes with a valid ROA: 10271
Number of IPv4 prefixes with an invalid ROA: 36
Number of IPv4 prefixes with no ROA: 14813
Total ASes present in the Internet Routing Table: 2813
Prefixes per ASN: 8.93
Origin-only ASes present in the Internet Routing Table: 2429
Origin ASes announcing only one prefix: 1064
Transit ASes present in the Internet Routing Table: 384
Transit-only ASes present in the Internet Routing Table: 70
Paths with bogon ASNs present in the IPv4 Routing Table: 2
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 20
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 41965
Number of 32-bit ASNs visible in the Routing Table: 642
Prefixes from 32-bit ASNs in the Routing Table: 1836
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: 6
Number of addresses announced to Internet: 297372118
Equivalent to 17 /8s, 185 /16s and 137 /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: 3392
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4998
Total APNIC prefixes after maximum aggregation: 2257
APNIC Deaggregation factor: 2.21
Prefixes being announced from the APNIC address blocks: 5108
Unique aggregates announced from the APNIC address blocks: 2767
APNIC Region origin ASes present in the Internet Routing Table: 573
APNIC Prefixes per ASN: 8.91
APNIC Region origin ASes announcing only one prefix: 244
APNIC Region transit ASes present in the Internet Routing Table: 59
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 221
Number of APNIC addresses announced to Internet: 47359084
Equivalent to 2 /8s, 210 /16s and 164 /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: 13956
Total ARIN prefixes after maximum aggregation: 7784
ARIN Deaggregation factor: 1.79
Prefixes being announced from the ARIN address blocks: 13603
Unique aggregates announced from the ARIN address blocks: 9323
ARIN Region origin ASes present in the Internet Routing Table: 1284
ARIN Prefixes per ASN: 10.59
ARIN Region origin ASes announcing only one prefix: 440
ARIN Region transit ASes present in the Internet Routing Table: 166
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 195
Number of ARIN addresses announced to Internet: 175071930
Equivalent to 10 /8s, 111 /16s and 98 /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, 393216-401308
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: 3638
Total RIPE prefixes after maximum aggregation: 2864
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3872
Unique aggregates announced from the RIPE address blocks: 3170
RIPE Region origin ASes present in the Internet Routing Table: 683
RIPE Prefixes per ASN: 5.67
RIPE Region origin ASes announcing only one prefix: 303
RIPE Region transit ASes present in the Internet Routing Table: 106
Average RIPE Region AS path length visible: 5.6
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 143
Number of RIPE addresses announced to Internet: 67542784
Equivalent to 4 /8s, 6 /16s and 159 /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
196608-213403
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: 1528
Total LACNIC prefixes after maximum aggregation: 581
LACNIC Deaggregation factor: 2.63
Prefixes being announced from the LACNIC address blocks: 1533
Unique aggregates announced from the LACNIC address blocks: 804
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 9.70
LACNIC Region origin ASes announcing only one prefix: 59
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 6.0
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: 4610992
Equivalent to 0 /8s, 70 /16s and 91 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 997
Total AfriNIC prefixes after maximum aggregation: 199
AfriNIC Deaggregation factor: 5.01
Prefixes being announced from the AfriNIC address blocks: 998
Unique aggregates announced from the AfriNIC address blocks: 286
AfriNIC Region origin ASes present in the Internet Routing Table: 43
AfriNIC Prefixes per ASN: 23.21
AfriNIC Region origin ASes announcing only one prefix: 18
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: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 19
Number of AfriNIC addresses announced to Internet: 2785536
Equivalent to 0 /8s, 42 /16s and 129 /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
2907 607 2154 466 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
7575 345 330 125 AARNET-AS-AP Australian Academic and Re
1237 198 74 140 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
4538 128 4192 73 ERX-CERNET-BKB China Education and Rese
55824 119 18 12 NKN-CORE-NW NKN Core Network, IN
24313 82 16 1 NSW-DET-AS NSW Department of Education,
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
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 4204 4775 1875 AMAZON-02, US
14618 778 4015 576 AMAZON-AES, US
8075 342 12788 291 MICROSOFT-CORP-MSN-AS-BLOCK, US
668 216 636 179 DNIC-AS-00668, US
376 202 178 150 RISQ-AS, CA
5786 194 16 1 UPRENET, PR
2152 173 507 93 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
81 129 521 32 NCREN, US
1 122 2 46 LVLT-1, 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 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 177 24 5 ISU Internet Services Unit ISU, SA
559 112 533 104 SWITCH Peering requests: peering at switch
1103 95 1518 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 74 465 74 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
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 260 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 103 24 47 Red Universitaria Nacional, CL
1251 61 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 45 16 1 Red de Interconexion Universitaria, AR
61468 43 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
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
2018 372 319 72 TENET-1, ZA
36914 254 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 57 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 41 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, 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 4204 4775 1875 AMAZON-02, US
14618 778 4015 576 AMAZON-AES, US
2907 607 2154 466 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 372 319 72 TENET-1, ZA
7575 345 330 125 AARNET-AS-AP Australian Academic and Re
8075 342 12788 291 MICROSOFT-CORP-MSN-AS-BLOCK, US
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
1916 260 208 44 Rede Nacional de Ensino e Pesquisa, BR
36914 254 82 3 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 372 300 TENET-1, ZA
36914 254 251 KENET-AS, KE
7575 345 220 AARNET-AS-AP Australian Academic and Research N
1916 260 216 Rede Nacional de Ensino e Pesquisa, BR
14618 778 202 AMAZON-AES, US
5786 194 193 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 177 172 ISU Internet Services Unit ISU, SA
2907 607 141 SINET-AS Research Organization of Information a
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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, 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: 2152 CSUNET-NW, US
76.76.19.0/24 Origin: 16509 AMAZON-02, US
76.76.19.0/24 Transit: 2152 CSUNET-NW, US
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 11537 INTERNET2-RESEARCH-EDU, US
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 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 /10:4 /11:9 /12:29
/13:36 /14:81 /15:202 /16:2127 /17:498 /18:499
/19:615 /20:984 /21:1154 /22:1892 /23:1973 /24:14529
/25:90 /26:67 /27:150 /28:46 /29:92 /30:21
/31:3 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
16509 708 4204 AMAZON-02, US
14618 251 778 AMAZON-AES, US
36914 242 254 KENET-AS, KE
8895 172 177 ISU Internet Services Unit ISU, SA
32440 79 108 LONI, US
8075 59 342 MICROSOFT-CORP-MSN-AS-BLOCK, US
23024 52 113 OCDE, US
1 40 122 LVLT-1, US
1916 39 260 Rede Nacional de Ensino e Pesquisa, BR
327700 37 41 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 2:1 3:95 4:2 5:17 6:4
8:2 12:1 13:184 14:89 15:131 16:108
18:187 23:51 24:3 31:7 34:2 35:17
38:9 40:2 41:116 42:10 44:8 45:62
46:11 47:1 49:6 50:12 52:875 54:267
58:2 59:18 60:4 61:3 62:18 63:42
64:152 65:36 66:89 67:64 68:17 69:51
70:27 71:48 72:17 74:79 76:48 77:11
78:3 79:10 80:17 81:26 82:7 83:6
84:9 85:46 86:10 87:2 88:1 89:13
91:56 92:4 93:4 94:8 95:2 96:7
97:2 98:13 99:82 101:6 102:14 103:341
104:120 107:17 108:80 109:11 110:2 111:17
113:5 114:23 115:1 116:10 117:61 118:34
119:21 121:26 122:11 123:8 124:38 125:4
128:81 129:50 130:155 131:69 132:59 133:157
134:103 135:4 136:212 137:247 138:22 139:28
140:54 141:5 142:59 143:44 144:66 145:4
146:132 147:65 148:205 149:16 150:138 151:16
152:148 153:90 154:30 155:75 156:71 157:48
158:45 159:164 160:33 161:40 162:69 163:90
164:22 165:63 166:1 167:27 168:171 169:12
170:164 171:1 172:10 173:22 174:2 175:31
176:13 177:6 178:2 179:13 180:14 181:1
182:4 184:4 185:96 186:3 187:17 188:15
189:3 190:18 191:36 192:1544 193:351 194:136
195:106 196:168 197:160 198:555 199:343 200:314
201:38 202:644 203:451 204:389 205:170 206:216
207:201 208:120 209:146 210:184 211:6 212:174
213:17 214:8 216:173 217:10 218:22 219:6
220:17 222:5 223:4
End of report
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