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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Dec 10 22:25:51 UTC 2024


IPv4 R&E Routing Table Report   22:25 GMT Tue 10 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:                               24890
    Prefixes after maximum aggregation (per Origin AS):           13637
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       15834
    Number of IPv4 prefixes with a valid ROA:                     13320
    Number of IPv4 prefixes with an invalid ROA:                     27
    Number of IPv4 prefixes with no ROA:                          11543
Total ASes present in the Internet Routing Table:                  2677
    Prefixes per ASN:                                              9.30
Origin-only ASes present in the Internet Routing Table:            2300
Origin ASes announcing only one prefix:                            1019
Transit ASes present in the Internet Routing Table:                 377
Transit-only ASes present in the Internet Routing Table:             74
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:                                      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:                      45984
Number of 32-bit ASNs visible in the Routing Table:                 648
Prefixes from 32-bit ASNs in the Routing Table:                    1831
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:                    296400488
    Equivalent to 17 /8s, 170 /16s and 182 /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:        3590

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

Prefixes being announced by APNIC Region ASes:                     3790
    Total APNIC prefixes after maximum aggregation:                1587
    APNIC Deaggregation factor:                                    2.39
Prefixes being announced from the APNIC address blocks:            3956
    Unique aggregates announced from the APNIC address blocks:     1981
APNIC Region origin ASes present in the Internet Routing Table:     424
    APNIC Prefixes per ASN:                                        9.33
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:                        4.9
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    181
Number of APNIC addresses announced to Internet:               33167912
    Equivalent to 1 /8s, 250 /16s and 26 /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:                     14871
    Total ARIN prefixes after maximum aggregation:                 8432
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:            14218
    Unique aggregates announced from the ARIN address blocks:      9429
ARIN Region origin ASes present in the Internet Routing Table:     1300
    ARIN Prefixes per ASN:                                        10.94
ARIN Region origin ASes announcing only one prefix:                 451
ARIN Region transit ASes present in the Internet Routing Table:     159
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:     216
Number of ARIN addresses announced to Internet:               175105904
    Equivalent to 10 /8s, 111 /16s and 231 /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:                      3617
    Total RIPE prefixes after maximum aggregation:                 2899
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             4081
    Unique aggregates announced from the RIPE address blocks:      3463
RIPE Region origin ASes present in the Internet Routing Table:      669
    RIPE Prefixes per ASN:                                         6.10
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:                80815488
    Equivalent to 4 /8s, 209 /16s and 37 /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:                    1455
    Total LACNIC prefixes after maximum aggregation:                545
    LACNIC Deaggregation factor:                                   2.67
Prefixes being announced from the LACNIC address blocks:           1466
    Unique aggregates announced from the LACNIC address blocks:     729
LACNIC Region origin ASes present in the Internet Routing Table:    157
    LACNIC Prefixes per ASN:                                       9.34
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:               4761680
    Equivalent to 0 /8s, 72 /16s and 168 /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:                   1156
    Total AfriNIC prefixes after maximum aggregation:               173
    AfriNIC Deaggregation factor:                                  6.68
Prefixes being announced from the AfriNIC address blocks:          1162
    Unique aggregates announced from the AfriNIC address blocks:    225
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     22.35
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:                      4.0
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   31
Number of AfriNIC addresses announced to Internet:              2545920
    Equivalent to 0 /8s, 38 /16s and 217 /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         446        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         132         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        4030       4890    1949  AMAZON-02, US
 14618        1021       4484     770  AMAZON-AES, US
  8075         692      16015     582  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2152         499        507      99  CENIC-2152, US
  2920         226         44      49  LACOE, US
   668         205        648     174  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         141         18       5  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         185       1767     182  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         218        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         550         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
 37074          15          8       2  UG-AS, GH
327700          13         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        4030       4890    1949  AMAZON-02, US
 14618        1021       4484     770  AMAZON-AES, US
  8075         692      16015     582  MICROSOFT-CORP-MSN-AS-BLOCK, US
 36914         550         82       3  KENET-AS, KE
  2152         499        507      99  CENIC-2152, US
  7497         446        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
   680         283       1899     249  DFN Verein zur Foerderung eines Deutschen
  2920         226         44      49  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         550          547  KENET-AS, KE
  7497         446          422  CSTNET-AS-AP Computer Network Information Cente
  2152         499          400  CENIC-2152, US
  2018         380          309  TENET-1, ZA
 14618        1021          251  AMAZON-AES, US
  7575         332          212  AARNET-AS-AP Australian Academic and Research N
  5786         198          197  UPRENET, PR
  2920         226          177  LACOE, US
  1916         218          175  Rede Nacional de Ensino e Pesquisa, BR
 18558         141          136  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
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      /15:212     /16:2084    /17:476     /18:492     
/19:637     /20:980     /21:1101    /22:1699    /23:1857    /24:14888   
/25:40      /26:60      /27:96      /28:25      /29:63      /30:7       
/31:0       /32:3       

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

   ASN  No of nets  Total ann.  Description
 16509         669        4030  AMAZON-02, US
 36914         526         550  KENET-AS, KE
 14618         325        1021  AMAZON-AES, US
  8895         127         132  ISU Internet Services Unit ISU, SA
  8075         124         692  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2152          61         499  CENIC-2152, US
  1916          60         218  Rede Nacional de Ensino e Pesquisa, BR
     1          42         128  LVLT-1, US
 23024          37          95  OCDE, US
 32440          37          63  LONI, US

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        12:2        13:86       14:93       15:105      16:129    
  18:154      23:51       24:1        31:4        34:2        35:47     
  37:8        38:11       40:5        41:222      42:11       44:6      
  45:82       46:11       47:1        49:10       50:12       52:835    
  54:178      58:1        59:19       60:5        61:3        62:14     
  63:39       64:146      65:25       66:97       67:71       68:28     
  69:64       70:22       71:16       72:20       74:84       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       91:58       92:6        93:45       94:6      
  95:3        96:7        97:1        98:14       99:68      101:1      
 102:16      103:269     104:133     107:8       108:40      109:7      
 111:18      113:5       114:24      115:1       116:14      117:66     
 118:33      119:23      121:28      122:11      124:42      125:5      
 128:82      129:42      130:167     131:81      132:64      134:109    
 135:6       136:225     137:249     138:81      139:30      140:50     
 141:14      142:81      143:35      144:44      145:8       146:139    
 147:75      148:206     149:19      150:48      151:38      152:149    
 153:78      154:40      155:110     156:134     157:40      158:43     
 159:170     160:9       161:51      162:78      163:68      164:29     
 165:76      166:7       167:39      168:174     169:15      170:195    
 171:1       172:19      173:39      174:2       175:5       176:5      
 177:6       178:3       179:14      180:16      181:1       182:6      
 184:9       185:113     186:3       187:21      188:16      189:3      
 190:18      191:13      192:1559    193:295     194:132     195:77     
 196:148     197:339     198:625     199:372     200:287     201:37     
 202:466     203:465     204:446     205:208     206:246     207:347    
 208:140     209:201     210:203     211:3       212:176     213:23     
 214:8       216:220     217:13      218:23      219:2       220:16     
 222:2       223:15     

End of report


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