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

REN Routing Table Report cscora at frr.nsrc.org
Wed Apr 6 18:45:36 UTC 2022


IPv4 R&E Routing Table Report   18:45 GMT Wed 06 Apr, 2022

  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:                               16151
    Prefixes after maximum aggregation (per Origin AS):            8421
    Deaggregation factor:                                          1.92
    Unique aggregates announced (without unneeded subnets):        9670
    Number of IPv4 prefixes with a valid ROA:                      2681
    Number of IPv4 prefixes with an invalid ROA:                     15
    Number of IPv4 prefixes with no ROA:                          13455
Total ASes present in the Internet Routing Table:                  2261
    Prefixes per ASN:                                              7.14
Origin-only ASes present in the Internet Routing Table:            1961
Origin ASes announcing only one prefix:                             851
Transit ASes present in the Internet Routing Table:                 300
Transit-only ASes present in the Internet Routing Table:             47
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              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:                      39013
Number of 32-bit ASNs visible in the Routing Table:                 499
Prefixes from 32-bit ASNs in the Routing Table:                    1474
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:                    162597376
    Equivalent to 9 /8s, 177 /16s and 10 /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:        1558

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

Prefixes being announced by APNIC Region ASes:                     4626
    Total APNIC prefixes after maximum aggregation:                2289
    APNIC Deaggregation factor:                                    2.02
Prefixes being announced from the APNIC address blocks:            4627
    Unique aggregates announced from the APNIC address blocks:     2602
APNIC Region origin ASes present in the Internet Routing Table:     579
    APNIC Prefixes per ASN:                                        7.99
APNIC Region origin ASes announcing only one prefix:                249
APNIC Region transit ASes present in the Internet Routing Table:     67
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    226
Number of APNIC addresses announced to Internet:               45910272
    Equivalent to 2 /8s, 188 /16s and 137 /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:                      8326
    Total ARIN prefixes after maximum aggregation:                 4771
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             8341
    Unique aggregates announced from the ARIN address blocks:      5432
ARIN Region origin ASes present in the Internet Routing Table:     1239
    ARIN Prefixes per ASN:                                         6.73
ARIN Region origin ASes announcing only one prefix:                 443
ARIN Region transit ASes present in the Internet Routing Table:     159
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:     172
Number of ARIN addresses announced to Internet:                96774144
    Equivalent to 5 /8s, 196 /16s and 168 /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:                       912
    Total RIPE prefixes after maximum aggregation:                  634
    RIPE Deaggregation factor:                                     1.44
Prefixes being announced from the RIPE address blocks:              901
    Unique aggregates announced from the RIPE address blocks:       621
RIPE Region origin ASes present in the Internet Routing Table:      201
    RIPE Prefixes per ASN:                                         4.48
RIPE Region origin ASes announcing only one prefix:                  88
RIPE Region transit ASes present in the Internet Routing Table:      31
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:      27
Number of RIPE addresses announced to Internet:                13271808
    Equivalent to 0 /8s, 202 /16s and 131 /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:                    1406
    Total LACNIC prefixes after maximum aggregation:                560
    LACNIC Deaggregation factor:                                   2.51
Prefixes being announced from the LACNIC address blocks:           1404
    Unique aggregates announced from the LACNIC address blocks:     757
LACNIC Region origin ASes present in the Internet Routing Table:    164
    LACNIC Prefixes per ASN:                                       8.56
LACNIC Region origin ASes announcing only one prefix:                65
LACNIC Region transit ASes present in the Internet Routing Table:    23
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:    65
Number of LACNIC addresses announced to Internet:               4145408
    Equivalent to 0 /8s, 63 /16s and 65 /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:                    876
    Total AfriNIC prefixes after maximum aggregation:               162
    AfriNIC Deaggregation factor:                                  5.41
Prefixes being announced from the AfriNIC address blocks:           876
    Unique aggregates announced from the AfriNIC address blocks:    256
AfriNIC Region origin ASes present in the Internet Routing Table:    26
    AfriNIC Prefixes per ASN:                                     33.69
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:                      2.6
    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:              2495232
    Equivalent to 0 /8s, 38 /16s and 19 /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         578       2084     455  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
  7575         176        330     123  AARNET-AS-AP Australian Academic and Re
 58647         167         18       2  KAGAWAU-AS Kagawa University, JP
  4538         129       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         115         18      11  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/TENET/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
   668         211        702     179  DNIC-AS-00668, US
   376         202        178     151  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         150        507      91  CSUNET-NW, US
 18558         135         18       4  NETBLK-RCOEK, US
   270         120        329      88  AS270, US
 23024         113          7      20  OCDE, US
  2920         108         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         138         24       4  ISU Internet Services Unit ISU, SA
  1103          99       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
  1653          51        167      48  SUNET SUNET Swedish University Network,
  1741          40        165      19  FUNETAS, FI
  3267          40         66      36  RUNNET, RU
   288          26          5      26  ESA Robert Bosch Strasse 5, DE
  3218          21          4      18  COSMOS-3218-AS AS-COSMOS root, RU
  8674          16          2      11  NETNOD-IX Netnod Internet Exchange Sver
   224          13        256      13  UNINETT UNINETT, The Norwegian Universi
  1101          13        481      13  IP-EEND-AS IP-EEND BV, NL

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         158        208      45  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          92         24      53  Red Universitaria Nacional, CL
  1251          60         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          57        101      37  Fundacao Carlos Chagas Filho de Amparo 
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          43         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

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         375        319      74  TENET-1, ZA
 36914         207         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327687          37         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          18          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, 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         578       2084     455  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         375        319      74  TENET-1, ZA
  7896         252         51       7  NU-AS, US
   668         211        702     179  DNIC-AS-00668, US
 36914         207         82       3  KENET-AS, KE
   376         202        178     151  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  1237         186         74     135  KREONET-AS-KR KISTI, KR
  7575         176        330     123  AARNET-AS-AP Australian Academic and Re

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         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         375          301  TENET-1, ZA
  7896         252          245  NU-AS, US
 36914         207          204  KENET-AS, KE
  5786         200          199  UPRENET, PR
 58647         167          165  KAGAWAU-AS Kagawa University, JP
  8895         138          134  ISU Internet Services Unit ISU, SA
 18558         135          131  NETBLK-RCOEK, US
  1916         158          113  Rede Nacional de Ensino e Pesquisa, BR
 55824         115          104  NKN-CORE-NW NKN Core Network, IN

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
     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/TENET/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/TENET/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:     11537  INTERNET2-RESEARCH-EDU, 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      /15:88      /16:1508    /17:354     /18:397     
/19:480     /20:770     /21:714     /22:1159    /23:1339    /24:9282    
/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         194         207  KENET-AS, KE
  8895         133         138  ISU Internet Services Unit ISU, SA
 23024          53         113  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700          30          34  MoRENet, MZ
 18632          29          55  VOLCANO-VISION, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          44  LONI, US

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

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

   1:3         4:2         6:4         8:2        12:1        14:85     
  18:42       23:11       24:3        35:2        38:9        40:1      
  41:127      42:10       44:3        45:29       47:1        49:10     
  50:4        52:1        59:20       60:4        61:3        62:2      
  63:38       64:52       65:4        66:50       67:43       68:9      
  69:19       70:2        71:1        72:9        74:20       76:33     
  77:4        80:7        81:1        82:3        84:1        85:19     
  86:4        87:1        89:2        91:15       93:1        96:5      
  97:1        98:2       101:6       102:6       103:316     104:75     
 107:16      108:11      109:7       110:3       111:20      114:23     
 116:5       117:61      118:32      119:22      121:27      122:8      
 123:8       124:39      125:4       128:82      129:170     130:93     
 131:77      132:58      133:140     134:95      136:192     137:80     
 138:8       139:5       140:50      141:3       142:42      143:29     
 144:50      146:125     147:56      148:186     149:12      150:42     
 151:12      152:76      153:1       154:26      155:51      156:67     
 157:36      158:42      159:115     160:25      161:38      162:26     
 163:67      164:18      165:65      166:1       167:16      168:124    
 169:10      170:67      171:1       172:2       173:7       175:29     
 176:8       177:12      179:9       180:21      182:6       184:5      
 185:11      186:3       187:19      188:3       189:5       190:33     
 191:33      192:1070    193:79      194:53      195:47      196:162    
 197:111     198:504     199:283     200:244     201:39      202:627    
 203:423     204:334     205:171     206:198     207:170     208:70     
 209:120     210:183     211:15      212:132     213:3       214:7      
 216:85      217:1       218:22      219:6       220:16      222:5      
 223:3      

End of report


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