[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UH (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Tue Nov 12 22:25:51 UTC 2024


IPv4 R&E Routing Table Report   22:25 GMT Tue 12 Nov, 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:                               24483
    Prefixes after maximum aggregation (per Origin AS):           13543
    Deaggregation factor:                                          1.81
    Unique aggregates announced (without unneeded subnets):       15812
    Number of IPv4 prefixes with a valid ROA:                     13321
    Number of IPv4 prefixes with an invalid ROA:                     29
    Number of IPv4 prefixes with no ROA:                          11133
Total ASes present in the Internet Routing Table:                  2687
    Prefixes per ASN:                                              9.11
Origin-only ASes present in the Internet Routing Table:            2312
Origin ASes announcing only one prefix:                            1011
Transit ASes present in the Internet Routing Table:                 375
Transit-only ASes present in the Internet Routing Table:             72
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:                      45834
Number of 32-bit ASNs visible in the Routing Table:                 665
Prefixes from 32-bit ASNs in the Routing Table:                    1862
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:                    296168680
    Equivalent to 17 /8s, 167 /16s and 44 /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:        3541

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     3852
    Total APNIC prefixes after maximum aggregation:                1618
    APNIC Deaggregation factor:                                    2.38
Prefixes being announced from the APNIC address blocks:            4018
    Unique aggregates announced from the APNIC address blocks:     2019
APNIC Region origin ASes present in the Internet Routing Table:     444
    APNIC Prefixes per ASN:                                        9.05
APNIC Region origin ASes announcing only one prefix:                183
APNIC Region transit ASes present in the Internet Routing Table:     54
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:    201
Number of APNIC addresses announced to Internet:               33255464
    Equivalent to 1 /8s, 251 /16s and 112 /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:                     14359
    Total ARIN prefixes after maximum aggregation:                 8324
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:            13695
    Unique aggregates announced from the ARIN address blocks:      9368
ARIN Region origin ASes present in the Internet Routing Table:     1294
    ARIN Prefixes per ASN:                                        10.58
ARIN Region origin ASes announcing only one prefix:                 447
ARIN Region transit ASes present in the Internet Routing Table:     156
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:               174590960
    Equivalent to 10 /8s, 104 /16s and 11 /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:                      3610
    Total RIPE prefixes after maximum aggregation:                 2887
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             4089
    Unique aggregates announced from the RIPE address blocks:      3468
RIPE Region origin ASes present in the Internet Routing Table:      672
    RIPE Prefixes per ASN:                                         6.08
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:     108
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:     159
Number of RIPE addresses announced to Internet:                80895360
    Equivalent to 4 /8s, 210 /16s and 93 /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:                    1524
    Total LACNIC prefixes after maximum aggregation:                542
    LACNIC Deaggregation factor:                                   2.81
Prefixes being announced from the LACNIC address blocks:           1532
    Unique aggregates announced from the LACNIC address blocks:     728
LACNIC Region origin ASes present in the Internet Routing Table:    154
    LACNIC Prefixes per ASN:                                       9.95
LACNIC Region origin ASes announcing only one prefix:                51
LACNIC Region transit ASes present in the Internet Routing Table:    22
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:    62
Number of LACNIC addresses announced to Internet:               4756816
    Equivalent to 0 /8s, 72 /16s and 149 /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:                   1137
    Total AfriNIC prefixes after maximum aggregation:               171
    AfriNIC Deaggregation factor:                                  6.65
Prefixes being announced from the AfriNIC address blocks:          1142
    Unique aggregates announced from the AfriNIC address blocks:    222
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     22.84
AfriNIC Region origin ASes announcing only one prefix:               30
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2666496
    Equivalent to 0 /8s, 40 /16s and 176 /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         333        330     121  AARNET-AS-AP Australian Academic and Rese
  1237         194         74     145  KREONET-AS-KR KISTI, KR
  4538         138       4192      72  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          59          4      34  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        4006       4978    1917  AMAZON-02, US
 14618        1018       4444     769  AMAZON-AES, US
  8075         681      16014     572  MICROSOFT-CORP-MSN-AS-BLOCK, US
   668         205        648     174  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  2920         175         34       7  LACOE, US
  2152         151        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         281       1899     248  DFN Verein zur Foerderung eines Deutschen
   786         186       1767     183  JANET Jisc Services Limited, GB
  8895         133         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch.c
  1103          97       1759      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         26      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnolog
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          76         26      66  NIKS, 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         292        178      44  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          66          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          51          5      17  CEDIA, EC
  2715          49         99      35  Fundacao Carlos Chagas Filho de Amparo a 
  4270          48         16       2  Red de Interconexion Universitaria, AR
 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

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         530         82       3  KENET-AS, KE
  2018         381        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
 37215          33          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37074          15          8       2  UG-AS, GH
327700          15         16       1  MoRENet, MZ
 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        4006       4978    1917  AMAZON-02, US
 14618        1018       4444     769  AMAZON-AES, US
  8075         681      16014     572  MICROSOFT-CORP-MSN-AS-BLOCK, US
 36914         530         82       3  KENET-AS, KE
  7497         447        180      24  CSTNET-AS-AP Computer Network Information
  2018         381        319      71  TENET-1, ZA
  7575         333        330     121  AARNET-AS-AP Australian Academic and Rese
  1916         292        178      44  Rede Nacional de Ensino e Pesquisa, BR
   680         281       1899     248  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         530          527  KENET-AS, KE
  7497         447          423  CSTNET-AS-AP Computer Network Information Cente
  2018         381          310  TENET-1, ZA
 14618        1018          249  AMAZON-AES, US
  1916         292          248  Rede Nacional de Ensino e Pesquisa, BR
  7575         333          212  AARNET-AS-AP Australian Academic and Research N
  5786         197          196  UPRENET, PR
  2920         175          168  LACOE, US
 18558         140          136  NETBLK-RCOEK, US
  8895         133          128  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     /16:2082    /17:473     /18:491     
/19:632     /20:970     /21:1087    /22:1668    /23:1787    /24:14599   
/25:50      /26:67      /27:95      /28:28      /29:63      /30:7       
/31:0       /32:3       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 16509         664        4006  AMAZON-02, US
 36914         509         530  KENET-AS, KE
 14618         326        1018  AMAZON-AES, US
  8895         128         133  ISU Internet Services Unit ISU, SA
  8075         119         681  MICROSOFT-CORP-MSN-AS-BLOCK, US
  1916          76         292  Rede Nacional de Ensino e Pesquisa, BR
     1          42         128  LVLT-1, US
 23024          37          95  OCDE, US
 32440          37          63  LONI, US
  3267          34          76  NIKS, 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         3:166       4:2         5:21        6:4      
   8:2        12:1        13:86       14:92       15:102      16:129    
  18:156      23:51       24:1        31:3        34:2        35:28     
  37:8        38:10       40:6        41:224      42:11       44:6      
  45:82       46:11       47:1        49:10       50:13       52:836    
  54:178      58:1        59:19       60:6        61:3        62:15     
  63:39       64:147      65:22       66:96       67:71       68:28     
  69:63       70:25       71:16       72:20       74:87       75:1      
  76:50       77:12       78:3        79:10       80:12       81:26     
  82:7        83:7        84:8        85:49       86:5        87:2      
  88:1        89:19       91:60       92:6        93:45       94:6      
  95:3        96:7        97:1        98:14       99:68      101:1      
 102:15      103:312     104:129     107:7       108:41      109:6      
 111:17      113:6       114:24      115:1       116:14      117:66     
 118:33      119:23      121:28      122:11      124:42      125:5      
 128:84      129:41      130:169     131:75      132:64      134:109    
 135:6       136:224     137:206     138:80      139:30      140:50     
 141:13      142:79      143:34      144:45      145:8       146:138    
 147:76      148:206     149:18      150:48      151:38      152:150    
 153:78      154:39      155:109     156:136     157:41      158:43     
 159:171     160:9       161:49      162:76      163:67      164:29     
 165:77      166:7       167:24      168:175     169:15      170:195    
 171:1       172:19      173:34      174:2       175:5       176:5      
 177:6       178:3       179:14      180:16      181:1       182:6      
 184:10      185:119     186:3       187:21      188:16      189:2      
 190:18      191:13      192:1557    193:298     194:133     195:77     
 196:147     197:322     198:545     199:371     200:330     201:37     
 202:464     203:462     204:426     205:171     206:245     207:271    
 208:140     209:153     210:203     211:3       212:176     213:23     
 214:8       216:216     217:13      218:21      219:1       220:17     
 222:2       223:15     

End of report


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