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

REN Routing Table Report cscora at frr.nsrc.org
Wed Apr 13 20:15:36 UTC 2022


IPv4 R&E Routing Table Report   20:15 GMT Wed 13 Apr, 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:                               20343
    Prefixes after maximum aggregation (per Origin AS):           11005
    Deaggregation factor:                                          1.85
    Unique aggregates announced (without unneeded subnets):       12267
    Number of IPv4 prefixes with a valid ROA:                      5278
    Number of IPv4 prefixes with an invalid ROA:                     44
    Number of IPv4 prefixes with no ROA:                          15021
Total ASes present in the Internet Routing Table:                  2798
    Prefixes per ASN:                                              7.27
Origin-only ASes present in the Internet Routing Table:            2406
Origin ASes announcing only one prefix:                            1094
Transit ASes present in the Internet Routing Table:                 392
Transit-only ASes present in the Internet Routing Table:             71
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      16
    Max AS path prepend of ASN (211089)                              11
Prefixes from unregistered ASNs in the Routing Table:                10
    Number of instances of unregistered ASNs:                        10
Number of 32-bit ASNs allocated by the RIRs:                      39077
Number of 32-bit ASNs visible in the Routing Table:                 624
Prefixes from 32-bit ASNs in the Routing Table:                    1692
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:              3
Number of addresses announced to Internet:                    264576083
    Equivalent to 15 /8s, 197 /16s and 28 /24s
    Percentage of available address space announced:                7.1
    Percentage of allocated address space announced:                7.1
    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:        2569

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

Prefixes being announced by APNIC Region ASes:                     5113
    Total APNIC prefixes after maximum aggregation:                2404
    APNIC Deaggregation factor:                                    2.13
Prefixes being announced from the APNIC address blocks:            4991
    Unique aggregates announced from the APNIC address blocks:     2691
APNIC Region origin ASes present in the Internet Routing Table:     583
    APNIC Prefixes per ASN:                                        8.56
APNIC Region origin ASes announcing only one prefix:                248
APNIC Region transit ASes present in the Internet Routing Table:     74
Average APNIC Region AS path length visible:                        3.9
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    225
Number of APNIC addresses announced to Internet:               47478636
    Equivalent to 2 /8s, 212 /16s and 119 /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:                      9234
    Total ARIN prefixes after maximum aggregation:                 4965
    ARIN Deaggregation factor:                                     1.86
Prefixes being announced from the ARIN address blocks:             9315
    Unique aggregates announced from the ARIN address blocks:      5601
ARIN Region origin ASes present in the Internet Routing Table:     1231
    ARIN Prefixes per ASN:                                         7.57
ARIN Region origin ASes announcing only one prefix:                 447
ARIN Region transit ASes present in the Internet Routing Table:     159
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:     173
Number of ARIN addresses announced to Internet:               149836545
    Equivalent to 8 /8s, 238 /16s and 83 /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:                      3622
    Total RIPE prefixes after maximum aggregation:                 2868
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3669
    Unique aggregates announced from the RIPE address blocks:      2917
RIPE Region origin ASes present in the Internet Routing Table:      691
    RIPE Prefixes per ASN:                                         5.31
RIPE Region origin ASes announcing only one prefix:                 312
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:                          16
Number of RIPE region 32-bit ASNs visible in the Routing Table:     136
Number of RIPE addresses announced to Internet:                59722694
    Equivalent to 3 /8s, 143 /16s and 75 /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:                    1445
    Total LACNIC prefixes after maximum aggregation:                567
    LACNIC Deaggregation factor:                                   2.55
Prefixes being announced from the LACNIC address blocks:           1444
    Unique aggregates announced from the LACNIC address blocks:     765
LACNIC Region origin ASes present in the Internet Routing Table:    165
    LACNIC Prefixes per ASN:                                       8.75
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:                       5.1
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4676896
    Equivalent to 0 /8s, 71 /16s and 93 /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:                    919
    Total AfriNIC prefixes after maximum aggregation:               191
    AfriNIC Deaggregation factor:                                  4.81
Prefixes being announced from the AfriNIC address blocks:           921
    Unique aggregates announced from the AfriNIC address blocks:    290
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     18.42
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2852608
    Equivalent to 0 /8s, 43 /16s and 135 /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         627       2092     457  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
 45102         249        433      89  ALIBABA-CN-NET Alibaba US Technology Co
 58647         201         18       2  KAGAWAU-AS Kagawa University, JP
  1237         192         74     135  KREONET-AS-KR KISTI, KR
  4538         190       4192      73  ERX-CERNET-BKB China Education and Rese
  7575         175        330     123  AARNET-AS-AP Australian Academic and Re
 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

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         738       3282      67  GOOGLE, US
  7896         252         51       7  NU-AS, US
  8075         209      10885     189  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         202        178     151  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  6939         189        124     138  HURRICANE, US
  2152         158        507      91  CSUNET-NW, US
 18558         135         18       4  NETBLK-RCOEK, US
   270         120        329      88  AS270, US
 23024         114          7      17  OCDE, 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         280       1967     245  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         180         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103         100       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          67        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/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         175        208      46  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          60         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          45          3      15  CEDIA, EC
  4270          44         16       1  Red de Interconexion Universitaria, AR
 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/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         371        319      74  TENET-1, ZA
 36914         209         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327687          37         28       3  RENU, UG
327700          36         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         738       3282      67  GOOGLE, US
  2907         627       2092     457  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         371        319      74  TENET-1, ZA
   680         280       1967     245  DFN Verein zur Foerderung eines Deutsch
  7896         252         51       7  NU-AS, US
 45102         249        433      89  ALIBABA-CN-NET Alibaba US Technology Co
  8075         209      10885     189  MICROSOFT-CORP-MSN-AS-BLOCK, US
 36914         209         82       3  KENET-AS, KE
   376         202        178     151  RISQ-AS, CA

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         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         371          297  TENET-1, ZA
  7896         252          245  NU-AS, US
 36914         209          206  KENET-AS, KE
 58647         201          199  KAGAWAU-AS Kagawa University, JP
  5786         200          199  UPRENET, PR
  8895         180          176  ISU Internet Services Unit ISU, SA
  2907         627          170  SINET-AS Research Organization of Information a
 45102         249          160  ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
 18558         135          131  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
     31766  UNALLOCATED  192.124.98.0/24          10430  WA-K20, US
     14212  UNALLOCATED  198.189.240.0/24          2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
     14212  UNALLOCATED  205.155.0.0/19            2152  CSUNET-NW, US
     14212  UNALLOCATED  205.155.240.0/20          2152  CSUNET-NW, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
     31766  UNALLOCATED  207.207.96.0/19          10430  WA-K20, 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
207.207.96.0/19      Origin:     31766  UPS-12-ASN, US
207.207.96.0/19     Transit:     10430  WA-K20, US

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      
/13:36      /14:82      /15:152     /16:2129    /17:455     /18:492     
/19:716     /20:901     /21:915     /22:1494    /23:1655    /24:10943   
/25:81      /26:58      /27:59      /28:28      /29:33      /30:19      
/31:0       /32:61      

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

   ASN  No of nets  Total ann.  Description
 15169         273         738  GOOGLE, US
 36914         196         209  KENET-AS, KE
  8895         175         180  ISU Internet Services Unit ISU, SA
  6939          80         189  HURRICANE, US
 23024          53         114  OCDE, US
 58647          34         201  KAGAWAU-AS Kagawa University, JP
 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

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        14:85     
  18:42       23:14       24:3        31:6        35:1        37:8      
  38:9        40:1        41:127      42:15       44:5        45:43     
  46:6        47:35       49:10       50:4        52:2        58:10     
  59:21       60:4        61:3        62:9        63:38       64:83     
  65:7        66:58       67:45       68:8        69:19       70:10     
  71:1        72:18       74:82       76:34       77:7        78:3      
  79:10       80:18       81:28       82:5        83:6        84:9      
  85:41       86:9        87:1        88:1        89:11       91:46     
  93:23       94:5        95:5        96:5        97:1        98:2      
 101:8       102:13      103:324     104:78      107:16      108:43     
 109:10      110:6       111:21      114:23      116:7       117:61     
 118:33      119:23      121:28      122:8       123:8       124:39     
 125:4       128:88      129:177     130:93      131:89      132:58     
 133:140     134:98      136:194     137:88      138:8       139:5      
 140:42      141:1       142:149     143:31      144:52      145:2      
 146:128     147:56      148:192     149:12      150:42      151:6      
 152:77      153:13      154:26      155:53      156:67      157:36     
 158:42      159:116     160:25      161:28      162:22      163:61     
 164:18      165:55      166:2       167:17      168:125     169:10     
 170:69      171:1       172:91      173:86      175:31      176:8      
 177:12      179:9       180:21      182:6       184:5       185:50     
 186:3       187:19      188:13      189:5       190:33      191:33     
 192:1421    193:316     194:146     195:87      196:160     197:115    
 198:518     199:267     200:245     201:39      202:632     203:429    
 204:338     205:166     206:196     207:172     208:82      209:131    
 210:184     211:15      212:150     213:5       216:130     217:12     
 218:22      219:12      220:17      222:6       223:6      

End of report


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