[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Wed Jun 15 20:15:41 UTC 2022


IPv4 R&E Routing Table Report   20:15 GMT Wed 15 Jun, 2022

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                               20322
    Prefixes after maximum aggregation (per Origin AS):           11053
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):       12347
    Number of IPv4 prefixes with a valid ROA:                      5444
    Number of IPv4 prefixes with an invalid ROA:                     48
    Number of IPv4 prefixes with no ROA:                          14830
Total ASes present in the Internet Routing Table:                  2808
    Prefixes per ASN:                                              7.24
Origin-only ASes present in the Internet Routing Table:            2415
Origin ASes announcing only one prefix:                            1094
Transit ASes present in the Internet Routing Table:                 393
Transit-only ASes present in the Internet Routing Table:             74
Paths with bogon ASNs present in the IPv4 Routing Table:              2
Average AS path length visible in the Internet Routing Table:       4.0
    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:                      39592
Number of 32-bit ASNs visible in the Routing Table:                 634
Prefixes from 32-bit ASNs in the Routing Table:                    1763
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:                    264813939
    Equivalent to 15 /8s, 200 /16s and 189 /24s
    Percentage of available address space announced:                7.2
    Percentage of allocated address space announced:                7.2
    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:        2600

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

Prefixes being announced by APNIC Region ASes:                     5110
    Total APNIC prefixes after maximum aggregation:                2407
    APNIC Deaggregation factor:                                    2.12
Prefixes being announced from the APNIC address blocks:            4973
    Unique aggregates announced from the APNIC address blocks:     2704
APNIC Region origin ASes present in the Internet Routing Table:     588
    APNIC Prefixes per ASN:                                        8.46
APNIC Region origin ASes announcing only one prefix:                256
APNIC Region transit ASes present in the Internet Routing Table:     77
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    231
Number of APNIC addresses announced to Internet:               47709292
    Equivalent to 2 /8s, 215 /16s and 252 /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:                      9158
    Total ARIN prefixes after maximum aggregation:                 4991
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:             9262
    Unique aggregates announced from the ARIN address blocks:      5639
ARIN Region origin ASes present in the Internet Routing Table:     1237
    ARIN Prefixes per ASN:                                         7.49
ARIN Region origin ASes announcing only one prefix:                 441
ARIN Region transit ASes present in the Internet Routing Table:     158
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     176
Number of ARIN addresses announced to Internet:               149727905
    Equivalent to 8 /8s, 236 /16s and 170 /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:                      3658
    Total RIPE prefixes after maximum aggregation:                 2878
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3693
    Unique aggregates announced from the RIPE address blocks:      2945
RIPE Region origin ASes present in the Internet Routing Table:      690
    RIPE Prefixes per ASN:                                         5.35
RIPE Region origin ASes announcing only one prefix:                 310
RIPE Region transit ASes present in the Internet Routing Table:     105
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     136
Number of RIPE addresses announced to Internet:                59779142
    Equivalent to 3 /8s, 144 /16s and 40 /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:                    1462
    Total LACNIC prefixes after maximum aggregation:                573
    LACNIC Deaggregation factor:                                   2.55
Prefixes being announced from the LACNIC address blocks:           1460
    Unique aggregates announced from the LACNIC address blocks:     767
LACNIC Region origin ASes present in the Internet Routing Table:    167
    LACNIC Prefixes per ASN:                                       8.74
LACNIC Region origin ASes announcing only one prefix:                65
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    67
Number of LACNIC addresses announced to Internet:               4808224
    Equivalent to 0 /8s, 73 /16s and 94 /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:                    929
    Total AfriNIC prefixes after maximum aggregation:               199
    AfriNIC Deaggregation factor:                                  4.67
Prefixes being announced from the AfriNIC address blocks:           932
    Unique aggregates announced from the AfriNIC address blocks:    290
AfriNIC Region origin ASes present in the Internet Routing Table:    47
    AfriNIC Prefixes per ASN:                                     19.83
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   24
Number of AfriNIC addresses announced to Internet:              2788864
    Equivalent to 0 /8s, 42 /16s and 142 /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         619       2140     456  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
 45102         278        467      88  ALIBABA-CN-NET Alibaba US Technology Co
  1237         194         74     135  KREONET-AS-KR KISTI, KR
  4538         189       4192      73  ERX-CERNET-BKB China Education and Rese
  7575         176        330     122  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
 55824         116         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          78         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         740       3282      69  GOOGLE, US
  8075         220      10878     197  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         204        178     153  RISQ-AS, CA
  5786         194         16       1  UPRENET, PR
  6939         171        121     121  HURRICANE, US
  2152         158        507      91  CSUNET-NW, US
 18558         131         18       4  NETBLK-RCOEK, US
   270         120        329      88  AS270, US
 23024         114          7      17  OCDE, US
  2920         110         34       6  LACOE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         285       1967     251  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         178         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103         101       1520      87  SURFNET-NL SURFnet, The Netherlands, NL
  2614          96         27      76  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          63        583      58  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/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         176        208      45  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      54  Red Universitaria Nacional, CL
  1251          59         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 19611          46         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          45          3      15  CEDIA, EC
  4270          42         16       1  Red de Interconexion Universitaria, AR
 28571          39         42      16  UNIVERSIDADE DE SAO PAULO, BR
 28614          37          2       2  Fundacao Universidade Regional de Blume

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         376        319      73  TENET-1, ZA
 36914         214         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          39         28       3  RENU, UG
327700          32         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          18          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/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         740       3282      69  GOOGLE, US
  2907         619       2140     456  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  2018         376        319      73  TENET-1, ZA
   680         285       1967     251  DFN Verein zur Foerderung eines Deutsch
 45102         278        467      88  ALIBABA-CN-NET Alibaba US Technology Co
  8075         220      10878     197  MICROSOFT-CORP-MSN-AS-BLOCK, US
 36914         214         82       3  KENET-AS, KE
   376         204        178     153  RISQ-AS, CA
  1237         194         74     135  KREONET-AS-KR KISTI, KR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  7497         433          409  CSTNET-AS-AP Computer Network Information Cente
  2018         376          303  TENET-1, ZA
 36914         214          211  KENET-AS, KE
  5786         194          193  UPRENET, PR
 45102         278          190  ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
  8895         178          174  ISU Internet Services Unit ISU, SA
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  2907         619          163  SINET-AS Research Organization of Information a
  1916         176          131  Rede Nacional de Ensino e Pesquisa, BR
 18558         131          127  NETBLK-RCOEK, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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/KREONet2/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/KREONet2/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:     17579  KREONET2-AS-KR KISTI, KR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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       /10:4       /11:6       /12:23      
/13:37      /14:82      /15:152     /16:2127    /17:462     /18:500     
/19:726     /20:905     /21:901     /22:1474    /23:1637    /24:10925   
/25:86      /26:59      /27:90      /28:27      /29:19      /30:19      
/31:0       /32:60      

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

   ASN  No of nets  Total ann.  Description
 15169         273         740  GOOGLE, US
 36914         201         214  KENET-AS, KE
  8895         173         178  ISU Internet Services Unit ISU, SA
 32440          73          88  LONI, US
  6939          67         171  HURRICANE, US
 23024          53         114  OCDE, US
 25977          31          45  HCCS, US
 28614          31          37  Fundacao Universidade Regional de Blumenau, BR
200521          31          52  SEAP-AGE, ES
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:3         5:17        8:8        12:1        13:1        14:86     
  18:46       23:16       24:3        31:7        34:2        35:5      
  37:8        38:9        40:1        41:125      42:15       44:5      
  45:45       46:6        47:40       49:10       50:4        52:2      
  58:10       59:21       60:4        61:3        62:11       63:39     
  64:84       65:7        66:58       67:45       68:8        69:19     
  70:10       71:1        72:18       74:83       76:34       77:8      
  78:3        79:10       80:20       81:28       82:4        83:6      
  84:9        85:46       86:6        87:1        88:1        89:10     
  91:47       93:10       94:4        95:4        96:5        97:1      
  98:2       101:8       102:12      103:326     104:78      107:16     
 108:43      109:10      110:6       111:17      113:1       114:23     
 116:7       117:61      118:33      119:24      121:28      122:8      
 123:8       124:39      125:4       128:89      129:38      130:93     
 131:75      132:58      133:145     134:99      136:194     137:76     
 138:9       139:5       140:42      141:1       142:150     143:31     
 144:25      145:2       146:129     147:55      148:192     149:12     
 150:132     151:6       152:77      153:13      154:29      155:53     
 156:65      157:27      158:44      159:116     160:26      161:28     
 162:22      163:59      164:19      165:57      166:2       167:17     
 168:127     169:10      170:68      171:1       172:91      173:86     
 175:31      176:8       177:11      178:1       179:10      180:21     
 181:1       182:4       184:6       185:51      186:3       187:19     
 188:13      189:5       190:34      191:34      192:1445    193:317    
 194:147     195:94      196:162     197:120     198:522     199:267    
 200:239     201:38      202:634     203:429     204:334     205:169    
 206:195     207:174     208:83      209:131     210:184     211:15     
 212:173     213:5       216:129     217:12      218:22      219:12     
 220:17      222:6       223:6      

End of report


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