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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Apr 26 20:16:33 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Fri 26 Apr, 2024

  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:                              186226
    Prefixes after maximum aggregation (per Origin AS):           81802
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      101467
    Number of IPv4 prefixes with a valid ROA:                     72135
    Number of IPv4 prefixes with an invalid ROA:                     18
    Number of IPv4 prefixes with no ROA:                         114073
Total ASes present in the Internet Routing Table:                 15716
    Prefixes per ASN:                                             11.85
Origin-only ASes present in the Internet Routing Table:           13586
Origin ASes announcing only one prefix:                            6217
Transit ASes present in the Internet Routing Table:                2130
Transit-only ASes present in the Internet Routing Table:            578
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               231
    Number of instances of unregistered ASNs:                       231
Number of 32-bit ASNs allocated by the RIRs:                      44271
Number of 32-bit ASNs visible in the Routing Table:                5665
Prefixes from 32-bit ASNs in the Routing Table:                   18994
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:             92
Number of addresses announced to Internet:                   1111578273
    Equivalent to 66 /8s, 65 /16s and 86 /24s
    Percentage of available address space announced:               30.0
    Percentage of allocated address space announced:               30.0
    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:       53640

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

Prefixes being announced by APNIC Region ASes:                    29998
    Total APNIC prefixes after maximum aggregation:                7042
    APNIC Deaggregation factor:                                    4.26
Prefixes being announced from the APNIC address blocks:           29683
    Unique aggregates announced from the APNIC address blocks:     8080
APNIC Region origin ASes present in the Internet Routing Table:    1110
    APNIC Prefixes per ASN:                                       26.74
APNIC Region origin ASes announcing only one prefix:                447
APNIC Region transit ASes present in the Internet Routing Table:    199
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    477
Number of APNIC addresses announced to Internet:              198908016
    Equivalent to 11 /8s, 219 /16s and 24 /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:                     85095
    Total ARIN prefixes after maximum aggregation:                46423
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            83679
    Unique aggregates announced from the ARIN address blocks:     51276
ARIN Region origin ASes present in the Internet Routing Table:     7311
    ARIN Prefixes per ASN:                                        11.45
ARIN Region origin ASes announcing only one prefix:                3161
ARIN Region transit ASes present in the Internet Routing Table:     630
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1499
Number of ARIN addresses announced to Internet:               650338913
    Equivalent to 38 /8s, 195 /16s and 98 /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,  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:                     35181
    Total RIPE prefixes after maximum aggregation:                16483
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            35936
    Unique aggregates announced from the RIPE address blocks:     23690
RIPE Region origin ASes present in the Internet Routing Table:     3363
    RIPE Prefixes per ASN:                                        10.69
RIPE Region origin ASes announcing only one prefix:                1443
RIPE Region transit ASes present in the Internet Routing Table:     523
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1244
Number of RIPE addresses announced to Internet:               160579280
    Equivalent to 9 /8s, 146 /16s and 62 /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,
                        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:                   31482
    Total LACNIC prefixes after maximum aggregation:               9956
    LACNIC Deaggregation factor:                                   3.16
Prefixes being announced from the LACNIC address blocks:          31188
    Unique aggregates announced from the LACNIC address blocks:   15560
LACNIC Region origin ASes present in the Internet Routing Table:   3045
    LACNIC Prefixes per ASN:                                      10.24
LACNIC Region origin ASes announcing only one prefix:              1082
LACNIC Region transit ASes present in the Internet Routing Table:   608
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2339
Number of LACNIC addresses announced to Internet:              73494784
    Equivalent to 4 /8s, 97 /16s and 113 /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:                   4239
    Total AfriNIC prefixes after maximum aggregation:              1713
    AfriNIC Deaggregation factor:                                  2.47
Prefixes being announced from the AfriNIC address blocks:          5648
    Unique aggregates announced from the AfriNIC address blocks:   2775
AfriNIC Region origin ASes present in the Internet Routing Table:   213
    AfriNIC Prefixes per ASN:                                     26.52
AfriNIC Region origin ASes announcing only one prefix:               84
AfriNIC Region transit ASes present in the Internet Routing Table:   62
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  106
Number of AfriNIC addresses announced to Internet:             28216576
    Equivalent to 1 /8s, 174 /16s and 141 /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
  9808        9700       8743      62  CHINAMOBILE-CN China Mobile Communicati
 56047        1507        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1491        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1449        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         761        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         725      10640     155  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         449        489     108  CMNET-GUANGDONG-AP China Mobile communi

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
 16509        9803      11356    3516  AMAZON-02, US
   749        3200      54911    2452  DNIC-AS-00749, US
   367        2822       3549    1345  DNIC-ASBLK-00306-00371, US
 11776        1858        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1695        109    1207  USDA-1, US
  5972        1391        391     644  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         960        255      82  CANET-ASN-4, CA
 14618         900       4165     681  AMAZON-AES, 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
 39891        4741        285      59  ALJAWWALSTC-AS, SA
 20940        1317        111    1070  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         718         59      22  Jordan Data Communications, JO
  8452         613       1841      11  TE-AS TE-AS, EG
 51167         502         96     209  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         394         34       5  ASN-ISKON, HR
 57878         380         31     187  PRAGER-IT, AT

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
  8151        5550       1463     903  UNINET, MX
  3816        1314        788     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1104        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         921       1128      28  TELEFONICA BRASIL S.A, BR
 11664         596        104     227  Techtel LMDS Comunicaciones Interactiva
 26599         570       2961      47  TELEFONICA BRASIL S.A, BR
 10620         501         64     422  Telmex Colombia S.A., CO
 13999         475         65     209  Mega Cable, S.A. de C.V., MX
 27843         229         20      33  WIN EMPRESAS S.A.C., PE

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
 24863         651        213     262  LINKdotNET-AS, EG
  2018         380        319      71  TENET-1, ZA
 36992         322        477     236  ETISALAT-MISR, EG
 36935         261         63      75  Vodafone-, EG
 36914         205         82       3  KENET-AS, KE
 37282         157         20      54  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 24835         148        150      87  RAYA-AS, EG
 37693         146        595      51  TUNISIANA, TN
 29571         111         39      42  ORANGE-COTE-IVOIRE, CI

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
 16509        9803      11356    3516  AMAZON-02, US
  9808        9700       8743      62  CHINAMOBILE-CN China Mobile Communicati
  8151        5550       1463     903  UNINET, MX
 39891        4741        285      59  ALJAWWALSTC-AS, SA
   749        3200      54911    2452  DNIC-AS-00749, US
   367        2822       3549    1345  DNIC-ASBLK-00306-00371, US
 11776        1858        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1695        109    1207  USDA-1, US
 56047        1507        192      47  CMNET-HUNAN-AP China Mobile communicati

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

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

   ASN  No of nets  Net Savings  Description
  9808        9700         9638  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4741         4682  ALJAWWALSTC-AS, SA
  8151        5550         4647  UNINET, MX
 11776        1858         1638  ATLANTICBB-JOHNSTOWN, US
   367        2822         1477  DNIC-ASBLK-00306-00371, US
 56047        1507         1460  CMNET-HUNAN-AP China Mobile communications corp
   209        1701         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56046        1491         1381  CMNET-JIANGSU-AP China Mobile communications co
 56041        1449         1376  CMNET-ZHEJIANG-AP China Mobile communications c
  3816        1314         1122  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, 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             1835  FSKNET-DK Forskningsnettet - Danish network for

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

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

Unassigned Network     ASN Information  AS Name
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW
41.57.124.0/24       Origin:     37442  RESERVED, ZZ
41.57.124.0/24      Transit:     37204  TELONE, ZW
41.57.125.0/24       Origin:     37442  RESERVED, ZZ
41.57.125.0/24      Transit:     37204  TELONE, ZW
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW

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        /8:11       /9:6       /10:17      /11:30      /12:91      
/13:125     /14:365     /15:706     /16:5926    /17:2485    /18:2609    
/19:5229    /20:8607    /21:10802   /22:19646   /23:20432   /24:108883  
/25:76      /26:49      /27:71      /28:19      /29:20      /30:17      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3424        4741  ALJAWWALSTC-AS, SA
  8151        3061        5550  UNINET, MX
 16509        2090        9803  AMAZON-02, US
   209         960        1701  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1858  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         726         867  BRSPD-PUBLIC, US
  6147         699        1104  Telefonica del Peru S.A.A., PE
  8376         563         718  Jordan Data Communications, JO
  7979         451        1002  SERVERS-COM, US

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

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

   1:10        2:364       3:327       5:1046      6:149       7:5      
   8:613      11:171      12:659      13:309      14:102      15:281    
  16:174      17:6        18:738      20:34       21:4        22:188    
  23:1790     24:397      25:2        27:27       29:19       31:174    
  32:1        34:11       35:58       36:1178     37:409      38:843    
  39:524      40:11       41:542      42:92       43:177      44:29     
  45:2345     46:606      47:94       49:11       50:261      51:476    
  52:1356     54:271      55:988      57:16       58:7        59:38     
  60:19       61:64       62:342      63:482      64:1512     65:794    
  66:1243     67:685      68:166      69:771      70:146      71:188    
  72:372      74:742      75:392      76:202      77:308      78:486    
  79:174      80:211      81:174      82:185      83:100      84:178    
  85:340      86:152      87:147      88:118      89:512      90:98     
  91:553      92:391      93:790      94:518      95:1078     96:163    
  97:31       98:131      99:151     100:22      101:21      102:224    
 103:1030    104:730     105:100     106:3       107:208     108:299    
 109:261     110:34      111:1795    112:449     113:44      114:33     
 115:15      116:28      117:958     118:108     119:100     120:1089   
 121:17      122:112     123:50      124:57      125:12      128:358    
 129:276     130:503     131:769     132:499     133:195     134:337    
 135:68      136:365     137:411     138:776     139:389     140:595    
 141:325     142:697     143:596     144:329     145:65      146:468    
 147:320     148:594     149:487     150:291     151:567     152:536    
 153:118     154:542     155:675     156:439     157:275     158:315    
 159:592     160:370     161:423     162:685     163:290     164:635    
 165:380     166:97      167:399     168:922     169:161     170:1299   
 171:65      172:894     173:619     174:108     175:34      176:401    
 177:735     178:298     179:507     180:49      181:978     182:60     
 183:856     184:198     185:2318    186:1012    187:760     188:486    
 189:1109    190:2861    191:188     192:3816    193:1262    194:827    
 195:557     196:381     197:390     198:1952    199:3507    200:2561   
 201:2471    202:1053    203:628     204:1739    205:1666    206:1142   
 207:1094    208:983     209:1434    210:329     211:431     212:697    
 213:569     214:1015    215:43      216:1704    217:282     218:526    
 219:24      220:29      221:302     222:22      223:637    

End of report


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