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

REN Routing Table Report cscora at bgp.nsrc.org
Thu May 2 20:16:33 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Thu 02 May, 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:                              185449
    Prefixes after maximum aggregation (per Origin AS):           81414
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      101382
    Number of IPv4 prefixes with a valid ROA:                     72546
    Number of IPv4 prefixes with an invalid ROA:                     21
    Number of IPv4 prefixes with no ROA:                         112882
Total ASes present in the Internet Routing Table:                 15764
    Prefixes per ASN:                                             11.76
Origin-only ASes present in the Internet Routing Table:           13622
Origin ASes announcing only one prefix:                            6218
Transit ASes present in the Internet Routing Table:                2142
Transit-only ASes present in the Internet Routing Table:            588
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:               229
    Number of instances of unregistered ASNs:                       229
Number of 32-bit ASNs allocated by the RIRs:                      44352
Number of 32-bit ASNs visible in the Routing Table:                5700
Prefixes from 32-bit ASNs in the Routing Table:                   19003
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:             95
Number of addresses announced to Internet:                   1111031969
    Equivalent to 66 /8s, 57 /16s and 0 /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:       53209

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

Prefixes being announced by APNIC Region ASes:                    29802
    Total APNIC prefixes after maximum aggregation:                6967
    APNIC Deaggregation factor:                                    4.28
Prefixes being announced from the APNIC address blocks:           29468
    Unique aggregates announced from the APNIC address blocks:     7939
APNIC Region origin ASes present in the Internet Routing Table:    1144
    APNIC Prefixes per ASN:                                       25.76
APNIC Region origin ASes announcing only one prefix:                461
APNIC Region transit ASes present in the Internet Routing Table:    202
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    494
Number of APNIC addresses announced to Internet:              198963056
    Equivalent to 11 /8s, 219 /16s and 239 /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:                     85064
    Total ARIN prefixes after maximum aggregation:                46352
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            83670
    Unique aggregates announced from the ARIN address blocks:     51377
ARIN Region origin ASes present in the Internet Routing Table:     7305
    ARIN Prefixes per ASN:                                        11.45
ARIN Region origin ASes announcing only one prefix:                3150
ARIN Region transit ASes present in the Internet Routing Table:     633
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:    1501
Number of ARIN addresses announced to Internet:               650949985
    Equivalent to 38 /8s, 204 /16s and 181 /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:                     35198
    Total RIPE prefixes after maximum aggregation:                16509
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            35961
    Unique aggregates announced from the RIPE address blocks:     23748
RIPE Region origin ASes present in the Internet Routing Table:     3369
    RIPE Prefixes per ASN:                                        10.67
RIPE Region origin ASes announcing only one prefix:                1436
RIPE Region transit ASes present in the Internet Routing Table:     526
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1257
Number of RIPE addresses announced to Internet:               159885264
    Equivalent to 9 /8s, 135 /16s and 167 /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:                   30947
    Total LACNIC prefixes after maximum aggregation:               9705
    LACNIC Deaggregation factor:                                   3.19
Prefixes being announced from the LACNIC address blocks:          30627
    Unique aggregates announced from the LACNIC address blocks:   15462
LACNIC Region origin ASes present in the Internet Routing Table:   3049
    LACNIC Prefixes per ASN:                                      10.04
LACNIC Region origin ASes announcing only one prefix:              1084
LACNIC Region transit ASes present in the Internet Routing Table:   609
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:  2346
Number of LACNIC addresses announced to Internet:              73035520
    Equivalent to 4 /8s, 90 /16s and 111 /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:                   4209
    Total AfriNIC prefixes after maximum aggregation:              1698
    AfriNIC Deaggregation factor:                                  2.48
Prefixes being announced from the AfriNIC address blocks:          5628
    Unique aggregates announced from the AfriNIC address blocks:   2768
AfriNIC Region origin ASes present in the Internet Routing Table:   215
    AfriNIC Prefixes per ASN:                                     26.18
AfriNIC Region origin ASes announcing only one prefix:               87
AfriNIC Region transit ASes present in the Internet Routing Table:   64
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  102
Number of AfriNIC addresses announced to Internet:             28149248
    Equivalent to 1 /8s, 173 /16s and 134 /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        9648       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1483        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1450        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        9806      11355    3499  AMAZON-02, US
   749        3227      54904    2479  DNIC-AS-00749, US
   367        2826       3546    1353  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1728        111    1217  USDA-1, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1397        393     634  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         960        255      82  CANET-ASN-4, CA
 14618         903       4165     683  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        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1251        105    1020  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         810       1032     146  SAUDINETSTC-AS, SA
  8376         713         60      24  Jordan Data Communications, JO
  8452         613       1841      11  TE-AS TE-AS, EG
 51167         507         98     212  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         393         34       5  ASN-ISKON, HR
 35819         382        382      91  MOBILY-AS Etihad Etisalat Company Mobil

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        5756       1700     915  UNINET, MX
  3816        1314        788     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1098        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         922       1128      28  TELEFONICA BRASIL S.A, BR
 26599         570       2961      47  TELEFONICA BRASIL S.A, BR
 10620         499         64     420  Telmex Colombia S.A., CO
 13999         488         66     213  Mega Cable, S.A. de C.V., MX
 22724         229         15      99  PUNTONET S.A., EC
 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         615        209     253  LINKdotNET-AS, EG
  2018         380        319      71  TENET-1, ZA
 36935         258         64      79  Vodafone-, EG
 36992         239        278     184  ETISALAT-MISR, EG
 36914         175         82       3  KENET-AS, KE
 29571         167         41      63  ORANGE-COTE-IVOIRE, CI
 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

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        9806      11355    3499  AMAZON-02, US
  9808        9648       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5756       1700     915  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3227      54904    2479  DNIC-AS-00749, US
   367        2826       3546    1353  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1728        111    1217  USDA-1, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
 56047        1506        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        9648         9587  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5756         4841  UNINET, MX
 39891        4758         4698  ALJAWWALSTC-AS, SA
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2826         1473  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1701         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1450         1377  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1483         1373  CMNET-JIANGSU-AP China Mobile communications co
  3816        1314         1119  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      /12:92      
/13:125     /14:364     /15:705     /16:5912    /17:2490    /18:2569    
/19:5354    /20:8612    /21:10722   /22:19537   /23:20285   /24:108382  
/25:69      /26:40      /27:69      /28:19      /29:20      /30:15      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        3074        5756  UNINET, MX
 16509        2095        9806  AMAZON-02, US
   209         960        1701  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1860  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         727         868  BRSPD-PUBLIC, US
  6147         693        1098  Telefonica del Peru S.A.A., PE
  8376         560         713  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        2:368       3:330       5:1068      6:149       7:5      
   8:612      11:171      12:656      13:305      14:102      15:282    
  16:174      17:6        18:740      20:34       21:4        22:188    
  23:1767     24:391      25:2        27:27       29:19       31:180    
  32:1        34:11       35:56       36:1173     37:413      38:893    
  39:525      40:11       41:557      42:14       43:178      44:28     
  45:2423     46:607      47:93       49:11       50:266      51:473    
  52:1356     54:272      55:994      57:16       58:7        59:38     
  60:19       61:65       62:339      63:479      64:1494     65:794    
  66:1243     67:671      68:166      69:760      70:145      71:191    
  72:367      74:723      75:394      76:202      77:308      78:488    
  79:171      80:215      81:179      82:187      83:100      84:177    
  85:341      86:152      87:159      88:115      89:517      90:98     
  91:542      92:392      93:793      94:503      95:1075     96:161    
  97:31       98:130      99:151     100:22      101:19      102:223    
 103:1065    104:728     105:130     106:3       107:208     108:297    
 109:259     110:36      111:1790    112:446     113:45      114:32     
 115:15      116:29      117:959     118:70      119:100     120:1075   
 121:18      122:87      123:23      124:57      125:12      128:354    
 129:287     130:504     131:775     132:492     133:195     134:337    
 135:68      136:365     137:414     138:761     139:388     140:602    
 141:320     142:696     143:609     144:328     145:65      146:467    
 147:322     148:590     149:481     150:293     151:565     152:537    
 153:118     154:554     155:675     156:440     157:280     158:316    
 159:585     160:396     161:427     162:681     163:282     164:641    
 165:381     166:98      167:401     168:947     169:158     170:1255   
 171:63      172:887     173:629     174:108     175:41      176:402    
 177:752     178:319     179:514     180:57      181:938     182:24     
 183:827     184:196     185:2354    186:834     187:775     188:492    
 189:1156    190:2749    191:189     192:3839    193:1262    194:831    
 195:552     196:408     197:366     198:1936    199:3545    200:2388   
 201:2442    202:1053    203:626     204:1754    205:1682    206:1119   
 207:1092    208:906     209:1430    210:349     211:431     212:694    
 213:556     214:1019    215:42      216:1700    217:276     218:526    
 219:24      220:29      221:302     222:22      223:634    

End of report


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