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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Mar 1 20:16:30 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Fri 01 Mar, 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:                              183821
    Prefixes after maximum aggregation (per Origin AS):           80405
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      101333
    Number of IPv4 prefixes with a valid ROA:                     69206
    Number of IPv4 prefixes with an invalid ROA:                     23
    Number of IPv4 prefixes with no ROA:                         114592
Total ASes present in the Internet Routing Table:                 15404
    Prefixes per ASN:                                             11.93
Origin-only ASes present in the Internet Routing Table:           13317
Origin ASes announcing only one prefix:                            6065
Transit ASes present in the Internet Routing Table:                2087
Transit-only ASes present in the Internet Routing Table:            567
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      28
    Max AS path prepend of ASN ( 11816)                              21
Prefixes from unregistered ASNs in the Routing Table:               220
    Number of instances of unregistered ASNs:                       220
Number of 32-bit ASNs allocated by the RIRs:                      43732
Number of 32-bit ASNs visible in the Routing Table:                5519
Prefixes from 32-bit ASNs in the Routing Table:                   18318
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:             82
Number of addresses announced to Internet:                   1035502649
    Equivalent to 61 /8s, 184 /16s and 132 /24s
    Percentage of available address space announced:               28.0
    Percentage of allocated address space announced:               28.0
    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:       53675

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

Prefixes being announced by APNIC Region ASes:                    29403
    Total APNIC prefixes after maximum aggregation:                6894
    APNIC Deaggregation factor:                                    4.27
Prefixes being announced from the APNIC address blocks:           29134
    Unique aggregates announced from the APNIC address blocks:     8183
APNIC Region origin ASes present in the Internet Routing Table:    1122
    APNIC Prefixes per ASN:                                       25.97
APNIC Region origin ASes announcing only one prefix:                453
APNIC Region transit ASes present in the Internet Routing Table:    188
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    491
Number of APNIC addresses announced to Internet:              171864712
    Equivalent to 10 /8s, 62 /16s and 114 /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:                     82266
    Total ARIN prefixes after maximum aggregation:                44823
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81143
    Unique aggregates announced from the ARIN address blocks:     50507
ARIN Region origin ASes present in the Internet Routing Table:     7181
    ARIN Prefixes per ASN:                                        11.30
ARIN Region origin ASes announcing only one prefix:                3068
ARIN Region transit ASes present in the Internet Routing Table:     638
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:    1461
Number of ARIN addresses announced to Internet:               605450465
    Equivalent to 36 /8s, 22 /16s and 112 /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:                     35077
    Total RIPE prefixes after maximum aggregation:                16481
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            35634
    Unique aggregates announced from the RIPE address blocks:     23734
RIPE Region origin ASes present in the Internet Routing Table:     3254
    RIPE Prefixes per ASN:                                        10.95
RIPE Region origin ASes announcing only one prefix:                1388
RIPE Region transit ASes present in the Internet Routing Table:     501
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1188
Number of RIPE addresses announced to Internet:               155783376
    Equivalent to 9 /8s, 73 /16s and 16 /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:                   31923
    Total LACNIC prefixes after maximum aggregation:              10124
    LACNIC Deaggregation factor:                                   3.15
Prefixes being announced from the LACNIC address blocks:          31671
    Unique aggregates announced from the LACNIC address blocks:   15629
LACNIC Region origin ASes present in the Internet Routing Table:   2980
    LACNIC Prefixes per ASN:                                      10.63
LACNIC Region origin ASes announcing only one prefix:              1070
LACNIC Region transit ASes present in the Internet Routing Table:   593
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2275
Number of LACNIC addresses announced to Internet:              73237248
    Equivalent to 4 /8s, 93 /16s and 131 /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:                   4932
    Total AfriNIC prefixes after maximum aggregation:              1901
    AfriNIC Deaggregation factor:                                  2.59
Prefixes being announced from the AfriNIC address blocks:          6157
    Unique aggregates announced from the AfriNIC address blocks:   3200
AfriNIC Region origin ASes present in the Internet Routing Table:   209
    AfriNIC Prefixes per ASN:                                     29.46
AfriNIC Region origin ASes announcing only one prefix:               86
AfriNIC Region transit ASes present in the Internet Routing Table:   62
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  104
Number of AfriNIC addresses announced to Internet:             29119232
    Equivalent to 1 /8s, 188 /16s and 83 /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        9625       8739      51  CHINAMOBILE-CN China Mobile Communicati
 56047        1470        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1450        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1436        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         778        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         761        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
 56040         434        488     105  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        9681      11265    3343  AMAZON-02, US
   749        3183      54927    2435  DNIC-AS-00749, US
   367        2912       3648    1408  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1707       4899     321  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1466        394     646  DNIC-ASBLK-05800-06055, US
  4155        1311         85    1023  USDA-1, US
  7979         993         66     197  SERVERS-COM, US
   855         960        255      83  CANET-ASN-4, CA
 16625         921        429     848  AKAMAI-AS, 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        4754        286      59  ALJAWWALSTC-AS, SA
 20940        1323        111    1074  AKAMAI-ASN1, NL
  3215         899       4811     303  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         721         60      22  Jordan Data Communications, JO
  8452         586       1841      11  TE-AS TE-AS, EG
 35819         472        481      52  MOBILY-AS Etihad Etisalat Company Mobil
 51167         436         79     184  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 34984         417         61     342  TELLCOM-AS, TR

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        5352       1548     928  UNINET, MX
  3816        1310        787     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1088        369      22  Telefonica del Peru S.A.A., PE
 11830        1036        324       5  Instituto Costarricense de Electricidad
 18881         986       1120      28  TELEFONICA BRASIL S.A, BR
 11664         591        108     224  Techtel LMDS Comunicaciones Interactiva
 26599         570       2941      45  TELEFONICA BRASIL S.A, BR
 10620         515         69     430  Telmex Colombia S.A., CO
 13999         483         70     209  Mega Cable, S.A. de C.V., MX
 28343         307         58      93  UNIFIQUE TELECOMUNICACOES SA, BR

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         682        240     185  LINKdotNET-AS, EG
 29571         476         35     243  ORANGE-COTE-IVOIRE, CI
 36992         473        671     290  ETISALAT-MISR, EG
  2018         381        319      71  TENET-1, ZA
 36935         267         67      80  Vodafone-, EG
 36914         205         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
327687         160         28       3  RENU, UG
 37492         156        471      44  ORANGE-, TN
 37693         145        595      51  TUNISIANA, TN

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        9681      11265    3343  AMAZON-02, US
  9808        9625       8739      51  CHINAMOBILE-CN China Mobile Communicati
  8151        5352       1548     928  UNINET, MX
 39891        4754        286      59  ALJAWWALSTC-AS, SA
   749        3183      54927    2435  DNIC-AS-00749, US
   367        2912       3648    1408  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1707       4899     321  CENTURYLINK-US-LEGACY-QWEST, US
 56047        1470        188      34  CMNET-HUNAN-AP China Mobile communicati
  5972        1466        394     646  DNIC-ASBLK-05800-06055, US

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        9625         9574  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4754         4695  ALJAWWALSTC-AS, SA
  8151        5352         4424  UNINET, MX
 11776        1856         1637  ATLANTICBB-JOHNSTOWN, US
   367        2912         1504  DNIC-ASBLK-00306-00371, US
 56047        1470         1436  CMNET-HUNAN-AP China Mobile communications corp
   209        1707         1386  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1436         1363  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1450         1340  CMNET-JIANGSU-AP China Mobile communications co
  3816        1310         1113  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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.231.0/24           7018  ATT-INTERNET4, US
     32282  UNALLOCATED  12.162.235.0/24           7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.180.92.0/22            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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.77.208.0/22       Origin:     37475  RESERVED, ZZ
41.77.208.0/22      Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
41.78.204.0/22       Origin:     37475  RESERVED, ZZ
41.78.204.0/22      Transit:     15964  CAMNET-AS, CM

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       /9:4       /10:14      /11:27      /12:73      
/13:111     /14:335     /15:671     /16:5365    /17:2526    /18:2594    
/19:5367    /20:8644    /21:11059   /22:19581   /23:20213   /24:106968  
/25:82      /26:51      /27:66      /28:19      /29:21      /30:14      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3436        4754  ALJAWWALSTC-AS, SA
  8151        2940        5352  UNINET, MX
 16509        2047        9681  AMAZON-02, US
   209         963        1707  CENTURYLINK-US-LEGACY-QWEST, US
 11776         893        1856  ATLANTICBB-JOHNSTOWN, US
 11830         878        1036  Instituto Costarricense de Electricidad y Telec
  6147         686        1088  Telefonica del Peru S.A.A., PE
 19901         685         824  BRSPD-PUBLIC, US
  8376         564         721  Jordan Data Communications, JO
  7979         446         993  SERVERS-COM, US

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

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

   1:8         2:454       3:274       5:1046      6:148       7:5      
   8:619      11:171      12:259      13:331      14:102      15:280    
  16:174      17:6        18:690      20:30       21:4        22:188    
  23:1836     24:392      25:2        27:22       29:19       31:144    
  32:1        34:3        35:53       36:1114     37:571      38:853    
  39:523      40:8        41:545      42:22       43:180      44:33     
  45:2271     46:563      47:101      49:10       50:248      51:473    
  52:1352     54:271      55:888      57:16       58:6        59:39     
  60:19       61:64       62:354      63:463      64:1501     65:817    
  66:1252     67:674      68:164      69:713      70:150      71:191    
  72:359      74:720      75:392      76:204      77:273      78:531    
  79:163      80:170      81:182      82:174      83:94       84:186    
  85:314      86:150      87:145      88:102      89:477      90:98     
  91:523      92:391      93:782      94:485      95:1081     96:165    
  97:30       98:124      99:146     100:22      101:25      102:182    
 103:1047    104:667     105:130     106:2       107:220     108:296    
 109:212     110:28      111:1747    112:447     113:41      114:31     
 115:10      116:34      117:946     118:51      119:95      120:1095   
 121:34      122:112     123:20      124:57      125:35      128:427    
 129:280     130:514     131:775     132:505     133:264     134:322    
 135:68      136:359     137:440     138:710     139:411     140:570    
 141:323     142:690     143:573     144:326     145:67      146:479    
 147:319     148:578     149:504     150:282     151:540     152:373    
 153:122     154:447     155:679     156:315     157:230     158:313    
 159:528     160:627     161:417     162:692     163:292     164:618    
 165:363     166:103     167:379     168:941     169:153     170:1204   
 171:62      172:893     173:616     174:107     175:38      176:400    
 177:699     178:327     179:484     180:51      181:1000    182:10     
 183:853     184:202     185:2191    186:1039    187:748     188:485    
 189:1078    190:2958    191:186     192:3676    193:1228    194:772    
 195:559     196:483     197:500     198:1899    199:3112    200:2718   
 201:2512    202:967     203:612     204:1752    205:1644    206:1129   
 207:1048    208:985     209:1391    210:343     211:422     212:710    
 213:590     214:1067    215:37      216:1682    217:306     218:515    
 219:29      220:31      221:294     222:23      223:626    

End of report


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