[REN-BGP-stats-all] Global R&E Routing Table Report - TENET view

REN Routing Table Report cscora at frr.nsrc.org
Mon Nov 22 18:45:30 UTC 2021


Global R&E Routing Table Report   18:45 GMT Mon 22 Nov, 2021

  BGP Table (R&E) as seen at TENET.

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

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

BGP routing table entries examined:                               16348
    Prefixes after maximum aggregation (per Origin AS):            8441
    Deaggregation factor:                                          1.94
    Unique aggregates announced (without unneeded subnets):        9802
Total ASes present in the Internet Routing Table:                  2271
    Prefixes per ASN:                                              7.20
Origin-only ASes present in the Internet Routing Table:            1964
Origin ASes announcing only one prefix:                             871
Transit ASes present in the Internet Routing Table:                 307
Transit-only ASes present in the Internet Routing Table:             46
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      37887
Number of 32-bit ASNs visible in the Routing Table:                 504
Prefixes from 32-bit ASNs in the Routing Table:                    1559
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:              4
Number of addresses announced to Internet:                    162693376
    Equivalent to 9 /8s, 178 /16s and 129 /24s
    Percentage of available address space announced:                4.4
    Percentage of allocated address space announced:                4.4
    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:        1622

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

Prefixes being announced by APNIC Region ASes:                     4678
    Total APNIC prefixes after maximum aggregation:                2327
    APNIC Deaggregation factor:                                    2.01
Prefixes being announced from the APNIC address blocks:            4680
    Unique aggregates announced from the APNIC address blocks:     2649
APNIC Region origin ASes present in the Internet Routing Table:     582
    APNIC Prefixes per ASN:                                        8.04
APNIC Region origin ASes announcing only one prefix:                250
APNIC Region transit ASes present in the Internet Routing Table:     64
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    225
Number of APNIC addresses announced to Internet:               46022912
    Equivalent to 2 /8s, 190 /16s and 65 /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:                      8298
    Total ARIN prefixes after maximum aggregation:                 4720
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:             8306
    Unique aggregates announced from the ARIN address blocks:      5411
ARIN Region origin ASes present in the Internet Routing Table:     1228
    ARIN Prefixes per ASN:                                         6.76
ARIN Region origin ASes announcing only one prefix:                 447
ARIN Region transit ASes present in the Internet Routing Table:     163
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     161
Number of ARIN addresses announced to Internet:                96697600
    Equivalent to 5 /8s, 195 /16s and 125 /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:                       891
    Total RIPE prefixes after maximum aggregation:                  607
    RIPE Deaggregation factor:                                     1.47
Prefixes being announced from the RIPE address blocks:              883
    Unique aggregates announced from the RIPE address blocks:       615
RIPE Region origin ASes present in the Internet Routing Table:      203
    RIPE Prefixes per ASN:                                         4.35
RIPE Region origin ASes announcing only one prefix:                  96
RIPE Region transit ASes present in the Internet Routing Table:      32
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:      29
Number of RIPE addresses announced to Internet:                13402624
    Equivalent to 0 /8s, 204 /16s and 130 /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:                    1507
    Total LACNIC prefixes after maximum aggregation:                620
    LACNIC Deaggregation factor:                                   2.43
Prefixes being announced from the LACNIC address blocks:           1507
    Unique aggregates announced from the LACNIC address blocks:     859
LACNIC Region origin ASes present in the Internet Routing Table:    182
    LACNIC Prefixes per ASN:                                       8.28
LACNIC Region origin ASes announcing only one prefix:                72
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    80
Number of LACNIC addresses announced to Internet:               4071936
    Equivalent to 0 /8s, 62 /16s and 34 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                    968
    Total AfriNIC prefixes after maximum aggregation:               161
    AfriNIC Deaggregation factor:                                  6.01
Prefixes being announced from the AfriNIC address blocks:           968
    Unique aggregates announced from the AfriNIC address blocks:    264
AfriNIC Region origin ASes present in the Internet Routing Table:    26
    AfriNIC Prefixes per ASN:                                     37.23
AfriNIC Region origin ASes announcing only one prefix:                6
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      3.1
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    9
Number of AfriNIC addresses announced to Internet:              2497280
    Equivalent to 0 /8s, 38 /16s and 27 /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         608       2157     457  SINET-AS Research Organization of Infor
  7497         430        182      24  CSTNET-AS-AP Computer Network Informati
  1237         185         74     135  KREONET-AS-KR KISTI, KR
  7575         176        329     122  AARNET-AS-AP Australian Academic and Re
 58647         164         18       2  KAGAWAU-AS Kagawa University, JP
 55824         129         19      23  NKN-CORE-NW NKN Core Network, IN
  4538         127       4192      72  ERX-CERNET-BKB China Education and Rese
  4621          80         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/TENET/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7896         250         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
   376         204        178     153  RISQ-AS, CA
  5786         195         16       1  UPRENET, PR
  2152         159        507      88  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US
 23024         114          7      17  OCDE, US
  2920         109         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8895         143         24       4  ISU Internet Services Unit ISU, SA
  1103          98       1520      85  SURFNET-NL SURFnet, The Netherlands, NL
  1653          52        167      49  SUNET SUNET Swedish University Network,
  1741          43        183      22  FUNETAS, FI
   288          26          5      26  ESA Robert Bosch Strasse 5, DE
  3218          22          4      15  COSMOS-3218-AS AS-COSMOS root, RU
  3267          21         67      17  RUNNET, RU
  8674          16          2      11  NETNOD-IX Netnod Internet Exchange Sver
   224          13        256      13  UNINETT UNINETT, The Norwegian Universi
 29384          13          3       9  QATAR-FOUNDATION, QA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         177        207      41  Associacao Rede Nacional de Ensino e Pe
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          90         24      57  Red Universitaria Nacional, CL
  1251          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          60        102      40  Fundacao Carlos Chagas Filho de Amparo 
 52286          53          4      31  Columbus Networks Guatemala, GT
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          42         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         344        319      73  TENET-1, ZA
 36914         202         82       3  KENET-AS, KE
327687         127         28       3  RENU, UG
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327700          43         16       1  MoRENet, MZ
 37215          34          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          15          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         608       2157     457  SINET-AS Research Organization of Infor
  7497         430        182      24  CSTNET-AS-AP Computer Network Informati
  2018         344        319      73  TENET-1, ZA
  7896         250         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
   376         204        178     153  RISQ-AS, CA
 36914         202         82       3  KENET-AS, KE
  5786         195         16       1  UPRENET, PR
  1237         185         74     135  KREONET-AS-KR KISTI, KR
  1916         177        207      41  Associacao Rede Nacional de Ensino e Pe

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

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

   ASN  No of nets  Net Savings  Description
  7497         430          406  CSTNET-AS-AP Computer Network Information Cente
  2018         344          271  TENET-1, ZA
  7896         250          243  NU-AS, US
 36914         202          199  KENET-AS, KE
  5786         195          194  UPRENET, PR
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  8895         143          139  ISU Internet Services Unit ISU, SA
  1916         177          136  Associacao Rede Nacional de Ensino e Pesquisa, 
 18558         136          132  NETBLK-RCOEK, US
327687         127          124  RENU, UG

Complete listing at https://bgp.nsrc.org/REN/TENET/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
     29955  UNALLOCATED  192.104.1.0/24            2495  KANREN, US
    394784  UNALLOCATED  192.107.242.0/24         40831  PHS, US
     29955  UNALLOCATED  198.252.8.0/21            2495  KANREN, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    394784  UNALLOCATED  205.166.145.0/24         40831  PHS, US

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

Prefixes from private and non-routed address space (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/TENET/data-dsua

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:     11537  INTERNET2-RESEARCH-EDU, US
192.107.242.0/24     Origin:    394784  UNASSIGNED
192.107.242.0/24    Transit:     40831  PHS, US
205.166.145.0/24     Origin:    394784  UNASSIGNED
205.166.145.0/24    Transit:     40831  PHS, US

Complete listing at https://bgp.nsrc.org/REN/TENET/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       /12:9       
/13:16      /14:31      /15:89      /16:1506    /17:341     /18:393     
/19:482     /20:783     /21:733     /22:1164    /23:1329    /24:9468    
/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
 36914         188         202  KENET-AS, KE
  8895         138         143  ISU Internet Services Unit ISU, SA
 23024          53         114  OCDE, US
327700          37          43  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 18632          29          55  VOLCANO-VISION, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 40326          29          33  ECKERD-COLLEGE, US

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

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

   1:5         6:4         8:2        12:1        14:84       18:42     
  23:9        24:6        35:2        38:9        40:1        41:154    
  42:8        44:3        45:59       47:1        49:10       50:4      
  52:1        59:20       60:4        61:3        62:2        63:38     
  64:50       65:4        66:51       67:44       68:9        69:21     
  71:1        72:10       74:20       76:31       77:4        80:7      
  81:1        82:3        84:1        85:14       86:9        87:1      
  89:2        91:16       92:1        93:1        95:1        96:5      
  97:1        98:2       101:6       102:9       103:313     104:74     
 106:1       107:16      108:12      109:7       110:3       111:20     
 112:4       114:23      116:5       117:61      118:32      119:21     
 121:26      122:8       123:8       124:39      125:4       128:80     
 129:168     130:93      131:81      132:61      133:138     134:97     
 136:187     137:139     138:8       139:5       140:48      141:3      
 142:44      143:33      144:52      146:122     147:58      148:154    
 149:13      150:39      151:11      152:78      153:1       154:24     
 155:50      156:67      157:25      158:42      159:115     160:25     
 161:34      162:26      163:68      164:42      165:64      166:1      
 167:16      168:163     169:10      170:67      171:1       172:2      
 173:7       175:31      176:8       177:10      179:12      180:21     
 181:12      182:6       184:6       185:12      186:3       187:18     
 188:3       189:3       190:54      191:37      192:1060    193:81     
 194:53      195:52      196:173     197:107     198:514     199:275    
 200:252     201:39      202:630     203:419     204:330     205:178    
 206:194     207:172     208:61      209:121     210:184     211:14     
 212:134     213:2       214:7       216:86      217:1       218:25     
 219:8       220:17      222:5       223:2      

End of report


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