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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Nov 23 18:45:44 UTC 2024


IPv4 R&E Routing Table Report   18:45 GMT Sat 23 Nov, 2024

  IPv4 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:                               16208
    Prefixes after maximum aggregation (per Origin AS):            8374
    Deaggregation factor:                                          1.94
    Unique aggregates announced (without unneeded subnets):        9538
    Number of IPv4 prefixes with a valid ROA:                      5838
    Number of IPv4 prefixes with an invalid ROA:                      4
    Number of IPv4 prefixes with no ROA:                          10366
Total ASes present in the Internet Routing Table:                  2240
    Prefixes per ASN:                                              7.24
Origin-only ASes present in the Internet Routing Table:            1951
Origin ASes announcing only one prefix:                             819
Transit ASes present in the Internet Routing Table:                 289
Transit-only ASes present in the Internet Routing Table:             57
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      28
    Max AS path prepend of ASN (138136)                              20
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:                      45874
Number of 32-bit ASNs visible in the Routing Table:                 515
Prefixes from 32-bit ASNs in the Routing Table:                    1431
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:              3
Number of addresses announced to Internet:                    158193920
    Equivalent to 9 /8s, 109 /16s and 217 /24s
    Percentage of available address space announced:                4.3
    Percentage of allocated address space announced:                4.3
    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:        1767

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

Prefixes being announced by APNIC Region ASes:                     4630
    Total APNIC prefixes after maximum aggregation:                2262
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4628
    Unique aggregates announced from the APNIC address blocks:     2616
APNIC Region origin ASes present in the Internet Routing Table:     562
    APNIC Prefixes per ASN:                                        8.23
APNIC Region origin ASes announcing only one prefix:                239
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:    209
Number of APNIC addresses announced to Internet:               45549824
    Equivalent to 2 /8s, 183 /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, 131072-153913
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:                      8231
    Total ARIN prefixes after maximum aggregation:                 4818
    ARIN Deaggregation factor:                                     1.71
Prefixes being announced from the ARIN address blocks:             8238
    Unique aggregates announced from the ARIN address blocks:      5361
ARIN Region origin ASes present in the Internet Routing Table:     1257
    ARIN Prefixes per ASN:                                         6.55
ARIN Region origin ASes announcing only one prefix:                 436
ARIN Region transit ASes present in the Internet Routing Table:     152
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     205
Number of ARIN addresses announced to Internet:                92268800
    Equivalent to 5 /8s, 127 /16s and 233 /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:                       879
    Total RIPE prefixes after maximum aggregation:                  612
    RIPE Deaggregation factor:                                     1.44
Prefixes being announced from the RIPE address blocks:              874
    Unique aggregates announced from the RIPE address blocks:       648
RIPE Region origin ASes present in the Internet Routing Table:      186
    RIPE Prefixes per ASN:                                         4.70
RIPE Region origin ASes announcing only one prefix:                  80
RIPE Region transit ASes present in the Internet Routing Table:      28
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          11
Number of RIPE region 32-bit ASNs visible in the Routing Table:      31
Number of RIPE addresses announced to Internet:                13864192
    Equivalent to 0 /8s, 211 /16s and 141 /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:                    1380
    Total LACNIC prefixes after maximum aggregation:                541
    LACNIC Deaggregation factor:                                   2.55
Prefixes being announced from the LACNIC address blocks:           1378
    Unique aggregates announced from the LACNIC address blocks:     726
LACNIC Region origin ASes present in the Internet Routing Table:    154
    LACNIC Prefixes per ASN:                                       8.95
LACNIC Region origin ASes announcing only one prefix:                54
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    63
Number of LACNIC addresses announced to Internet:               4166400
    Equivalent to 0 /8s, 63 /16s and 147 /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:                   1087
    Total AfriNIC prefixes after maximum aggregation:               140
    AfriNIC Deaggregation factor:                                  7.76
Prefixes being announced from the AfriNIC address blocks:          1087
    Unique aggregates announced from the AfriNIC address blocks:    184
AfriNIC Region origin ASes present in the Internet Routing Table:    23
    AfriNIC Prefixes per ASN:                                     47.26
AfriNIC Region origin ASes announcing only one prefix:               10
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      2.8
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    7
Number of AfriNIC addresses announced to Internet:              2343936
    Equivalent to 0 /8s, 35 /16s and 196 /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
  2907         590       2170     464  SINET-AS Research Organization of Informa
  7497         446        180      24  CSTNET-AS-AP Computer Network Information
  1237         191         74     145  KREONET-AS-KR KISTI, KR
 58647         181         18       2  KAGAWAU-AS Kagawa University, JP
  7575         171        313     114  AARNET-AS-AP Australian Academic and Rese
  4538         139       4192      71  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
  4621          69         37      10  UNINET-AS-AP UNINET-, TH
  2697          59          4      34  ERX-ERNET-AS Education and Research Netwo

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
   668         205        648     174  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         173         34       5  LACOE, US
  2152         150        507      97  CENIC-2152, US
 18558         140         18       4  NETBLK-RCOEK, US
    81         134        517      33  NCREN, US
   270         117        328      81  AS270, US
 23024          95          7      21  OCDE, US
 21976          91         50      17  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         131         24       5  ISU Internet Services Unit ISU, SA
  1103          96       1743      83  SURFNET-NL SURFnet, The Netherlands, NL
  3267          76         26      66  NIKS, RU
  1653          53        150      50  SUNET SUNET Swedish University Network, E
  1741          39        149      18  FUNETAS, FI
  3218          21          4      18  COSMOS-3218-AS AS-COSMOS root, RU
  8674          16          2      11  NETNOD-IX Netnod AB, SE
  1880          14          1       7  STUPI, SE
   224          13        256      13  UNINETT UNINETT, The Norwegian University
  1101          12        465      12  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         218        178      42  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
 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
 28614          38          2       2  Fundacao Universidade Regional de Blumena
  1251          37         31      26  FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
  3596          37          8       4  Universidad Autonoma Metropolitana, MX

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
 36914         546         82       3  KENET-AS, KE
  2018         378        319      71  TENET-1, ZA
  8094          47         48      18  PUKNET, ZA
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
327700          15         16       1  MoRENet, MZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37654           6          0       5  RwEdNet-AS, RW
 37520           3         16       3  Rhodes-Univ, 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         590       2170     464  SINET-AS Research Organization of Informa
 36914         546         82       3  KENET-AS, KE
  7497         446        180      24  CSTNET-AS-AP Computer Network Information
  2018         378        319      71  TENET-1, ZA
  1916         218        178      42  Rede Nacional de Ensino e Pesquisa, BR
   668         205        648     174  DNIC-AS-00668, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  1237         191         74     145  KREONET-AS-KR KISTI, KR
 58647         181         18       2  KAGAWAU-AS Kagawa University, JP

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

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

   ASN  No of nets  Net Savings  Description
 36914         546          543  KENET-AS, KE
  7497         446          422  CSTNET-AS-AP Computer Network Information Cente
  2018         378          307  TENET-1, ZA
  5786         198          197  UPRENET, PR
 58647         181          179  KAGAWAU-AS Kagawa University, JP
  1916         218          176  Rede Nacional de Ensino e Pesquisa, BR
  2920         173          168  LACOE, US
 18558         140          136  NETBLK-RCOEK, US
  8895         131          126  ISU Internet Services Unit ISU, SA
 55824         131          113  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
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

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

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

Unassigned Network     ASN Information  AS Name
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
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
203.9.156.0/24       Origin:      1851  ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24      Transit:      7575  AARNET-AS-AP Australian Academic and Res

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       /10:1       /11:1       /12:10      
/13:17      /14:30      /15:87      /16:1472    /17:371     /18:410     
/19:495     /20:738     /21:696     /22:1138    /23:1268    /24:9473    
/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         522         546  KENET-AS, KE
  8895         126         131  ISU Internet Services Unit ISU, SA
 23024          37          95  OCDE, US
 32440          37          63  LONI, US
  3267          34          76  NIKS, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, 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)
----------------------------------------------

   1:2         4:2         6:4         8:2        12:2        14:92     
  23:7        24:3        35:8        38:11       40:1        41:223    
  42:11       44:3        45:40       47:1        49:10       50:2      
  52:1        59:19       60:5        61:3        62:2        63:32     
  64:44       65:5        66:42       67:40       68:12       69:19     
  70:2        71:1        72:7        74:50       76:41       77:8      
  80:5        81:1        82:4        83:1        84:2        85:20     
  86:5        87:1        89:2        91:6        92:2        93:1      
  96:5        97:1        98:2       101:1       102:2       103:294    
 104:78      108:10      109:3       111:21      113:2       114:24     
 116:9       117:61      118:33      119:23      121:27      122:8      
 123:8       124:42      125:5       128:54      129:29      130:95     
 131:58      132:65      133:154     134:106     136:198     137:46     
 138:57      139:5       140:36      141:3       142:53      143:24     
 144:24      146:136     147:60      148:188     149:12      150:40     
 151:9       152:139     153:3       154:30      155:63      156:132    
 157:27      158:33      159:117     160:31      161:16      162:24     
 163:62      164:11      165:47      166:1       167:10      168:120    
 169:7       170:90      171:1       172:2       173:7       175:16     
 177:6       179:13      180:16      181:1       182:11      184:6      
 185:11      186:3       187:21      188:4       189:4       190:18     
 191:13      192:1093    193:37      194:56      195:29      196:144    
 197:332     198:473     199:277     200:265     201:37      202:637    
 203:439     204:374     205:134     206:211     207:225     208:65     
 209:107     210:218     211:3       212:123     213:2       214:8      
 216:89      218:21      219:6       220:17      222:2       223:15     


End of report


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