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

REN Routing Table Report cscora at frr.nsrc.org
Thu Mar 17 18:30:33 UTC 2022


IPv4 R&E Routing Table Report   18:30 GMT Thu 17 Mar, 2022

  BGP Table (R&E) as seen at UbuntuNet Alliance.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/UbuntuNet/

Analysis Summary
----------------

BGP routing table entries examined:                               17608
    Prefixes after maximum aggregation (per Origin AS):           10169
    Deaggregation factor:                                          1.73
    Unique aggregates announced (without unneeded subnets):       11342
    Number of IPv4 prefixes with a valid ROA:                      3680
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                          13928
Total ASes present in the Internet Routing Table:                  2692
    Prefixes per ASN:                                              6.54
Origin-only ASes present in the Internet Routing Table:            2324
Origin ASes announcing only one prefix:                            1083
Transit ASes present in the Internet Routing Table:                 368
Transit-only ASes present in the Internet Routing Table:             49
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      15
    Max AS path prepend of ASN (211089)                              11
Prefixes from unregistered ASNs in the Routing Table:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      38799
Number of 32-bit ASNs visible in the Routing Table:                 606
Prefixes from 32-bit ASNs in the Routing Table:                    1632
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    202582272
    Equivalent to 12 /8s, 19 /16s and 41 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:        1707

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

Prefixes being announced by APNIC Region ASes:                     4673
    Total APNIC prefixes after maximum aggregation:                2295
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4674
    Unique aggregates announced from the APNIC address blocks:     2608
APNIC Region origin ASes present in the Internet Routing Table:     575
    APNIC Prefixes per ASN:                                        8.13
APNIC Region origin ASes announcing only one prefix:                247
APNIC Region transit ASes present in the Internet Routing Table:     60
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    217
Number of APNIC addresses announced to Internet:               46139648
    Equivalent to 2 /8s, 192 /16s and 9 /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, 131072-151865
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:                      7453
    Total ARIN prefixes after maximum aggregation:                 4360
    ARIN Deaggregation factor:                                     1.71
Prefixes being announced from the ARIN address blocks:             7465
    Unique aggregates announced from the ARIN address blocks:      4878
ARIN Region origin ASes present in the Internet Routing Table:     1184
    ARIN Prefixes per ASN:                                         6.30
ARIN Region origin ASes announcing only one prefix:                 438
ARIN Region transit ASes present in the Internet Routing Table:     158
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     164
Number of ARIN addresses announced to Internet:                91863296
    Equivalent to 5 /8s, 121 /16s and 185 /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:                      3396
    Total RIPE prefixes after maximum aggregation:                 2755
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3383
    Unique aggregates announced from the RIPE address blocks:      2740
RIPE Region origin ASes present in the Internet Routing Table:      659
    RIPE Prefixes per ASN:                                         5.13
RIPE Region origin ASes announcing only one prefix:                 307
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     129
Number of RIPE addresses announced to Internet:                58006784
    Equivalent to 3 /8s, 117 /16s and 29 /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:                    1330
    Total LACNIC prefixes after maximum aggregation:                566
    LACNIC Deaggregation factor:                                   2.35
Prefixes being announced from the LACNIC address blocks:           1333
    Unique aggregates announced from the LACNIC address blocks:     821
LACNIC Region origin ASes present in the Internet Routing Table:    169
    LACNIC Prefixes per ASN:                                       7.89
LACNIC Region origin ASes announcing only one prefix:                69
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    69
Number of LACNIC addresses announced to Internet:               3818496
    Equivalent to 0 /8s, 58 /16s and 68 /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:                    751
    Total AfriNIC prefixes after maximum aggregation:               188
    AfriNIC Deaggregation factor:                                  3.99
Prefixes being announced from the AfriNIC address blocks:           751
    Unique aggregates announced from the AfriNIC address blocks:    293
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     14.73
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   13
Average AfriNIC Region AS path length visible:                      2.5
    Max AfriNIC Region AS path length visible:                        7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2753536
    Equivalent to 0 /8s, 42 /16s and 4 /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         583       2124     458  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  1237         186         74     135  KREONET-AS-KR KISTI, KR
  4538         177       4192      72  ERX-CERNET-BKB China Education and Rese
  7575         176        330     123  AARNET-AS-AP Australian Academic and Re
 58647         167         18       2  KAGAWAU-AS Kagawa University, JP
 55824         128         18      22  NKN-CORE-NW NKN Core Network, IN
  4621          79         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7896         252         51       7  NU-AS, US
   376         203        178     152  RISQ-AS, CA
  2152         145        507      86  CSUNET-NW, US
 18558         135         18       4  NETBLK-RCOEK, US
   270         120        329      88  AS270, US
  2920         108         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
     3          77        496      15  MIT-GATEWAYS, US
  3477          76         71      45  NOAA-NWAVE, US

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         274       1966     241  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         141         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2614          69         30      59  ROEDUNET, RO
  2200          66        647      61  FR-RENATER Reseau National de telecommu
  1930          58         81      53  RCCN Fundacao para a Ciencia e a Tecnol

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         156        207      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      54  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 52286          54          4      31  Columbus Networks Guatemala, GT
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
  3596          33          2       2  Universidad Autonoma Metropolitana, MX

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         373        319      74  TENET-1, ZA
  2561          72          5      31  EUN, EG
  8094          50         48       4  PUKNET, ZA
327687          37         28       3  RENU, UG
327700          36         16       1  MoRENet, MZ
 36914          29         82       3  KENET-AS, KE
  6879          24          2       9  ENSTINET-, EG
 37182          17          8       1  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         583       2124     458  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         373        319      74  TENET-1, ZA
   680         274       1966     241  DFN Verein zur Foerderung eines Deutsch
  7896         252         51       7  NU-AS, US
   376         203        178     152  RISQ-AS, CA
   786         186       1774     183  JANET Jisc Services Limited, GB
  1237         186         74     135  KREONET-AS-KR KISTI, KR
  4538         177       4192      72  ERX-CERNET-BKB China Education and Rese
  7575         176        330     123  AARNET-AS-AP Australian Academic and Re

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7497         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         373          299  TENET-1, ZA
  7896         252          245  NU-AS, US
 58647         167          165  KAGAWAU-AS Kagawa University, JP
  8895         141          137  ISU Internet Services Unit ISU, SA
 18558         135          131  NETBLK-RCOEK, US
  1916         156          112  Rede Nacional de Ensino e Pesquisa, BR
 55824         128          106  NKN-CORE-NW NKN Core Network, IN
  4538         177          105  ERX-CERNET-BKB China Education and Research Net
  2920         108          102  LACOE, US

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     20965  GEANT The GEANT IP Service, NL

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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       /10:2       /11:1       /12:10      
/13:18      /14:35      /15:121     /16:1978    /17:385     /18:429     
/19:547     /20:829     /21:842     /22:1369    /23:1488    /24:9553    
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
  8895         136         141  ISU Internet Services Unit ISU, SA
 23024          52          55  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
327700          32          36  MoRENet, MZ
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          44  LONI, US
 40326          29          33  ECKERD-COLLEGE, US
 30220          25          26  SWTELCOOP, US

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:3         5:15        8:2        12:1        14:85       18:42     
  23:9        24:2        31:6        37:6        38:9        40:1      
  41:61       42:14       44:5        45:44       46:6        47:1      
  49:10       50:1        52:1        58:7        59:20       60:4      
  61:3        62:7        63:34       64:48       66:35       67:42     
  68:8        69:19       70:2        71:1        72:9        74:20     
  76:33       77:5        78:3        79:10       80:15       81:28     
  82:5        83:6        84:5        85:38       86:4        87:1      
  88:1        89:10       91:43       92:1        93:23       94:4      
  95:4        96:5        97:1        98:2       101:8       102:11     
 103:298     104:14      106:1       108:8       109:10      110:3      
 111:19      114:23      116:5       117:61      118:32      119:22     
 121:28      122:8       123:8       124:39      125:4       128:81     
 129:176     130:92      131:88      132:58      133:141     134:95     
 136:3       137:86      138:8       139:4       140:35      141:1      
 142:41      143:28      144:52      145:1       146:128     147:56     
 148:191     149:13      150:42      151:6       152:71      153:13     
 154:26      155:51      156:67      157:26      158:42      159:116    
 160:25      161:21      162:20      163:57      164:35      165:55     
 166:2       167:16      168:166     169:10      170:53      171:1      
 172:2       173:2       175:29      176:8       177:7       179:11     
 180:21      181:16      182:5       184:4       185:38      186:3      
 187:17      188:13      189:5       190:49      191:26      192:1395   
 193:267     194:140     195:83      196:164     197:5       198:462    
 199:253     200:212     201:38      202:632     203:422     204:314    
 205:161     206:186     207:161     208:66      209:112     210:180    
 211:13      212:144     213:5       216:83      217:11      218:22     
 219:12      220:14      222:5       223:4      

End of report


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