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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Mar 4 20:16:34 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Mon 04 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:                              182802
    Prefixes after maximum aggregation (per Origin AS):           80024
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      100611
    Number of IPv4 prefixes with a valid ROA:                     68741
    Number of IPv4 prefixes with an invalid ROA:                     23
    Number of IPv4 prefixes with no ROA:                         114038
Total ASes present in the Internet Routing Table:                 15358
    Prefixes per ASN:                                             11.90
Origin-only ASes present in the Internet Routing Table:           13258
Origin ASes announcing only one prefix:                            6046
Transit ASes present in the Internet Routing Table:                2100
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:       5.7
    Max AS path length visible:                                      28
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               221
    Number of instances of unregistered ASNs:                       221
Number of 32-bit ASNs allocated by the RIRs:                      43762
Number of 32-bit ASNs visible in the Routing Table:                5485
Prefixes from 32-bit ASNs in the Routing Table:                   18154
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:                   1034691257
    Equivalent to 61 /8s, 172 /16s and 34 /24s
    Percentage of available address space announced:               27.9
    Percentage of allocated address space announced:               27.9
    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:       53678

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

Prefixes being announced by APNIC Region ASes:                    28679
    Total APNIC prefixes after maximum aggregation:                6499
    APNIC Deaggregation factor:                                    4.41
Prefixes being announced from the APNIC address blocks:           28427
    Unique aggregates announced from the APNIC address blocks:     7521
APNIC Region origin ASes present in the Internet Routing Table:    1071
    APNIC Prefixes per ASN:                                       26.54
APNIC Region origin ASes announcing only one prefix:                436
APNIC Region transit ASes present in the Internet Routing Table:    184
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:    463
Number of APNIC addresses announced to Internet:              171108488
    Equivalent to 10 /8s, 50 /16s and 232 /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:                     82248
    Total ARIN prefixes after maximum aggregation:                44848
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            81077
    Unique aggregates announced from the ARIN address blocks:     50449
ARIN Region origin ASes present in the Internet Routing Table:     7184
    ARIN Prefixes per ASN:                                        11.29
ARIN Region origin ASes announcing only one prefix:                3076
ARIN Region transit ASes present in the Internet Routing Table:     640
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:    1460
Number of ARIN addresses announced to Internet:               605098849
    Equivalent to 36 /8s, 17 /16s and 19 /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:                     35112
    Total RIPE prefixes after maximum aggregation:                16575
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            35680
    Unique aggregates announced from the RIPE address blocks:     23791
RIPE Region origin ASes present in the Internet Routing Table:     3259
    RIPE Prefixes per ASN:                                        10.95
RIPE Region origin ASes announcing only one prefix:                1384
RIPE Region transit ASes present in the Internet Routing Table:     503
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:    1195
Number of RIPE addresses announced to Internet:               155696336
    Equivalent to 9 /8s, 71 /16s and 188 /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:                   31620
    Total LACNIC prefixes after maximum aggregation:              10010
    LACNIC Deaggregation factor:                                   3.16
Prefixes being announced from the LACNIC address blocks:          31369
    Unique aggregates announced from the LACNIC address blocks:   15550
LACNIC Region origin ASes present in the Internet Routing Table:   2966
    LACNIC Prefixes per ASN:                                      10.58
LACNIC Region origin ASes announcing only one prefix:              1061
LACNIC Region transit ASes present in the Internet Routing Table:   600
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:  2259
Number of LACNIC addresses announced to Internet:              73753088
    Equivalent to 4 /8s, 101 /16s and 98 /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:                   4922
    Total AfriNIC prefixes after maximum aggregation:              1909
    AfriNIC Deaggregation factor:                                  2.58
Prefixes being announced from the AfriNIC address blocks:          6167
    Unique aggregates announced from the AfriNIC address blocks:   3220
AfriNIC Region origin ASes present in the Internet Routing Table:   208
    AfriNIC Prefixes per ASN:                                     29.65
AfriNIC Region origin ASes announcing only one prefix:               89
AfriNIC Region transit ASes present in the Internet Routing Table:   65
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:  108
Number of AfriNIC addresses announced to Internet:             28986880
    Equivalent to 1 /8s, 186 /16s and 78 /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        9678      11293    3368  AMAZON-02, US
   749        3174      54874    2426  DNIC-AS-00749, US
   367        2914       3648    1411  DNIC-ASBLK-00306-00371, US
 11776        1856        256     219  ATLANTICBB-JOHNSTOWN, US
   209        1707       4899     321  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1448        394     644  DNIC-ASBLK-05800-06055, US
  4155        1331         86    1037  USDA-1, US
  7979         993         66     197  SERVERS-COM, US
   855         960        255      83  CANET-ASN-4, CA
 16625         922        427     849  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        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1320        110    1072  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         588       1841      11  TE-AS TE-AS, EG
 51167         436         79     184  CONTABO, DE
 35819         428        435      76  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
 29580         414         46     174  A1BG_RSG A1 EAD, BG

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        5355       1548     928  UNINET, MX
  3816        1312        787     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1089        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         986       1120      28  TELEFONICA BRASIL S.A, BR
 11664         590        108     226  Techtel LMDS Comunicaciones Interactiva
 26599         570       2941      45  TELEFONICA BRASIL S.A, BR
 10620         515         69     430  Telmex Colombia S.A., CO
 13999         471         69     199  Mega Cable, S.A. de C.V., MX
 22368         247         27      75  TELEBUCARAMANGA S.A. E.S.P., CO

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         687        240     189  LINKdotNET-AS, EG
 29571         476         35     243  ORANGE-COTE-IVOIRE, CI
 36992         475        671     292  ETISALAT-MISR, EG
  2018         381        319      71  TENET-1, ZA
 36935         267         67      80  Vodafone-, EG
 36914         204         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
327687         162         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        9678      11293    3368  AMAZON-02, US
  9808        9625       8739      51  CHINAMOBILE-CN China Mobile Communicati
  8151        5355       1548     928  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3174      54874    2426  DNIC-AS-00749, US
   367        2914       3648    1411  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
 56046        1450        874     110  CMNET-JIANGSU-AP China Mobile communica

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        4758         4698  ALJAWWALSTC-AS, SA
  8151        5355         4427  UNINET, MX
 11776        1856         1637  ATLANTICBB-JOHNSTOWN, US
   367        2914         1503  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        1312         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
      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
     13342  UNALLOCATED  12.180.244.0/23           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     /15:672     /16:5370    /17:2526    /18:2595    
/19:5354    /20:8551    /21:10741   /22:19472   /23:20001   /24:106689  
/25:80      /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        3440        4758  ALJAWWALSTC-AS, SA
  8151        2943        5355  UNINET, MX
 16509        2039        9678  AMAZON-02, US
   209         963        1707  CENTURYLINK-US-LEGACY-QWEST, US
 11776         893        1856  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
  6147         687        1089  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         2:455       3:275       5:1058      6:148       7:5      
   8:624      11:171      12:258      13:326      14:97       15:281    
  16:174      17:6        18:689      20:30       21:4        22:188    
  23:1834     24:393      25:2        27:19       29:19       31:144    
  32:1        34:3        35:53       36:1114     37:555      38:844    
  39:523      40:8        41:549      42:22       43:181      44:33     
  45:2235     46:567      47:100      49:10       50:247      51:468    
  52:1355     54:275      55:860      57:16       58:6        59:34     
  60:19       61:64       62:354      63:462      64:1504     65:819    
  66:1255     67:675      68:164      69:715      70:150      71:191    
  72:359      74:721      75:390      76:206      77:265      78:532    
  79:166      80:190      81:184      82:170      83:94       84:182    
  85:310      86:149      87:146      88:102      89:475      90:98     
  91:523      92:393      93:782      94:493      95:1080     96:165    
  97:30       98:124      99:146     100:21      101:24      102:184    
 103:1019    104:675     105:130     106:2       107:221     108:294    
 109:224     110:28      111:1747    112:447     113:40      114:32     
 115:10      116:31      117:946     118:51      119:94      120:1089   
 121:31      122:82      123:20      124:57      125:12      128:435    
 129:280     130:508     131:772     132:506     133:264     134:320    
 135:68      136:356     137:441     138:713     139:401     140:566    
 141:329     142:690     143:576     144:319     145:67      146:471    
 147:320     148:579     149:504     150:283     151:541     152:373    
 153:118     154:440     155:671     156:309     157:232     158:314    
 159:527     160:628     161:418     162:697     163:291     164:618    
 165:365     166:103     167:376     168:949     169:153     170:1205   
 171:62      172:894     173:617     174:107     175:44      176:400    
 177:669     178:339     179:480     180:44      181:1013    182:10     
 183:853     184:202     185:2197    186:1007    187:741     188:488    
 189:1060    190:2980    191:195     192:3661    193:1235    194:772    
 195:559     196:481     197:490     198:1902    199:3136    200:2719   
 201:2574    202:916     203:598     204:1747    205:1638    206:1130   
 207:1047    208:986     209:1387    210:292     211:422     212:712    
 213:584     214:1057    215:37      216:1677    217:304     218:515    
 219:19      220:31      221:294     222:18      223:626    

End of report


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