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

REN Routing Table Report cscora at bgp.nsrc.org
Mon May 27 22:41:03 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Mon 27 May, 2024

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/OIX/

Analysis Summary
----------------

BGP routing table entries examined:                              1010186
    Prefixes after maximum aggregation (per Origin AS):          367580
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      462934
Total ASes present in the Internet Routing Table:                 76148
    Prefixes per ASN:                                             13.27
Origin-only ASes present in the Internet Routing Table:           65124
Origin ASes announcing only one prefix:                           26086
Transit ASes present in the Internet Routing Table:               11024
Transit-only ASes present in the Internet Routing Table:            536
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      63
    Max AS path prepend of ASN ( 53153)                              57
Prefixes from unregistered ASNs in the Routing Table:              1400
    Number of instances of unregistered ASNs:                      1403
Number of 32-bit ASNs allocated by the RIRs:                      44590
Number of 32-bit ASNs visible in the Routing Table:               36620
Prefixes from 32-bit ASNs in the Routing Table:                  197706
Number of bogon 32-bit ASNs visible in the Routing Table:           171
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            928
Number of addresses announced to Internet:                   3030556276
    Equivalent to 180 /8s, 162 /16s and 158 /24s
    Percentage of available address space announced:               81.9
    Percentage of allocated address space announced:               81.9
    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:      345538

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

Prefixes being announced by APNIC Region ASes:                   264246
    Total APNIC prefixes after maximum aggregation:               74836
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          256114
    Unique aggregates announced from the APNIC address blocks:   101199
APNIC Region origin ASes present in the Internet Routing Table:   14257
    APNIC Prefixes per ASN:                                       17.96
APNIC Region origin ASes announcing only one prefix:               4280
APNIC Region transit ASes present in the Internet Routing Table:   1942
Average APNIC Region AS path length visible:                        5.1
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9605
Number of APNIC addresses announced to Internet:              762420896
    Equivalent to 45 /8s, 113 /16s and 158 /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:                    287068
    Total ARIN prefixes after maximum aggregation:               126710
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           291789
    Unique aggregates announced from the ARIN address blocks:    133767
ARIN Region origin ASes present in the Internet Routing Table:    19209
    ARIN Prefixes per ASN:                                        15.19
ARIN Region origin ASes announcing only one prefix:                6949
ARIN Region transit ASes present in the Internet Routing Table:    2019
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4927
Number of ARIN addresses announced to Internet:              1268255554
    Equivalent to 75 /8s, 152 /16s and 11 /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:                    286427
    Total RIPE prefixes after maximum aggregation:               129889
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           280001
    Unique aggregates announced from the RIPE address blocks:    164530
RIPE Region origin ASes present in the Internet Routing Table:    28755
    RIPE Prefixes per ASN:                                         9.74
RIPE Region origin ASes announcing only one prefix:               12108
RIPE Region transit ASes present in the Internet Routing Table:    4018
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          47
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11867
Number of RIPE addresses announced to Internet:               714887794
    Equivalent to 42 /8s, 156 /16s and 82 /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:                  136107
    Total LACNIC prefixes after maximum aggregation:              29147
    LACNIC Deaggregation factor:                                   4.67
Prefixes being announced from the LACNIC address blocks:         134496
    Unique aggregates announced from the LACNIC address blocks:   49771
LACNIC Region origin ASes present in the Internet Routing Table:  11115
    LACNIC Prefixes per ASN:                                      12.10
LACNIC Region origin ASes announcing only one prefix:              2138
LACNIC Region transit ASes present in the Internet Routing Table:  2474
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        63
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9002
Number of LACNIC addresses announced to Internet:             177209632
    Equivalent to 10 /8s, 144 /16s and 1 /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:                  34938
    Total AfriNIC prefixes after maximum aggregation:              6265
    AfriNIC Deaggregation factor:                                  5.58
Prefixes being announced from the AfriNIC address blocks:         46857
    Unique aggregates announced from the AfriNIC address blocks:  13137
AfriNIC Region origin ASes present in the Internet Routing Table:  1851
    AfriNIC Prefixes per ASN:                                     25.31
AfriNIC Region origin ASes announcing only one prefix:              611
AfriNIC Region transit ASes present in the Internet Routing Table:  353
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1219
Number of AfriNIC addresses announced to Internet:            107287808
    Equivalent to 6 /8s, 101 /16s and 21 /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        9849       8745      70  CHINAMOBILE-CN China Mobile Communicati
  7545        5635        776     669  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5039       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4541       1893      44  VNPT-AS-VN VNPT Corp, VN
 18403        4466        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3929       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3759        509     262  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3645       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 24560        2795        863     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2486      11523     582  KIXS-AS-KR Korea Telecom, KR

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

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9984      11386    3552  AMAZON-02, US
   174        5233       8782     867  COGENT-174, US
 11492        4623        307     591  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3594       1320      79  SHAW, CA
 22773        3548       3059     237  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3223      54904    2475  DNIC-AS-00749, US
 16625        3160       1352    2253  AKAMAI-AS, US
  7018        2837      23660    1789  ATT-INTERNET4, US
   367        2774       3400    1294  DNIC-ASBLK-00306-00371, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9145       1227    2116  TTNET, TR
 12479        7760       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3905       3396     153  AKAMAI-ASN1, NL
  9009        3521        301    1756  M247, RO
 12389        2992       2305     902  ROSTELECOM-AS, RU
  8551        2663        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2590       1852      14  TE-AS TE-AS, EG
  5384        2484        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2386        365     573  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12220       3320     496  UNINET, MX
 10620        3509        492     941  Telmex Colombia S.A., CO
 13999        2546        355     667  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1557       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1322        789     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1233        216      21  ETB - Colombia, CO
 11664        1192        177     439  Techtel LMDS Comunicaciones Interactiva
  6503        1128        315     480  Axtel, S.A.B. de C.V., MX
 28202        1093         52       9  Rede Brasileira de Comunicacao SA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1635        314      37  Telkom-Internet, ZA
 24835        1548        545      28  RAYA-AS, EG
 24863        1508        389      20  LINKdotNET-AS, EG
 36992        1378       1520     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1207         77      61  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         557       1861      35  IAM-AS, MA
 36914         557         82       3  KENET-AS, KE
 15399         539         56      56  WANANCHI-, KE

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

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12220       3320     496  UNINET, MX
 16509        9984      11386    3552  AMAZON-02, US
  9808        9849       8745      70  CHINAMOBILE-CN China Mobile Communicati
 47331        9145       1227    2116  TTNET, TR
 12479        7760       1708     145  UNI2-AS, ES
  7545        5635        776     669  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5233       8782     867  COGENT-174, US
  4538        5039       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4623        307     591  CABLEONE, US

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

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

   ASN  No of nets  Net Savings  Description
  9808        9849         9779  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7760         7615  UNI2-AS, ES
 47331        9145         7029  TTNET, TR
 16509        9984         6432  AMAZON-02, US
  7545        5635         4966  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5039         4965  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 45899        4541         4497  VNPT-AS-VN VNPT Corp, VN
 18403        4466         4443  FPT-AS-AP FPT Telecom Company, VN
   174        5233         4366  COGENT-174, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24             17054  EXPEDIENT, US
     46639  UNALLOCATED  8.17.66.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24            46887  CROWNCASTLE-AS46887, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.147.240.0/24      Origin:    398208  RESERVED, ZZ
23.147.240.0/24     Transit:     19930  EQUINIX-EC-CH, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:37      /11:93      /12:298     
/13:582     /14:1197    /15:2129    /16:13426   /17:8538    /18:14791   
/19:25810   /20:45809   /21:54574   /22:115691  /23:108626  /24:612318  
/25:1130    /26:1100    /27:1608    /28:309     /29:518     /30:517     
/31:351     /32:703     

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

   ASN  No of nets  Total ann.  Description
 47331        8251        9145  TTNET, TR
 12479        6854        7760  UNI2-AS, ES
  8151        6243       12220  UNINET, MX
 11492        3532        4623  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3390        3594  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2639        3548  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2165        2511  MEDIACOM-ENTERPRISE-BUSINESS, US
  8551        2139        2663  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

   1:2337      2:1721      3:348       4:22        5:4747      6:161    
   7:6         8:1623      9:1        11:172      12:1469     13:357    
  14:2489     15:319      16:211      17:375      18:768      20:396    
  21:4        22:188      23:6836     24:3128     25:2        27:2639   
  29:19       31:2742     32:61       34:66       35:137      36:2330   
  37:4624     38:8808     39:904      40:125      41:4691     42:2172   
  43:2441     44:324      45:18555    46:4608     47:312      49:1970   
  50:1935     51:584      52:1619     54:314      55:997      56:5      
  57:187      58:2142     59:1270     60:1030     61:2801     62:2838   
  63:1926     64:5737     65:2394     66:4851     67:3072     68:1344   
  69:4149     70:1386     71:597      72:2953     74:2628     75:1589   
  76:623      77:2626     78:4187     79:2568     80:2225     81:2277   
  82:1705     83:1419     84:1679     85:4104     86:1015     87:2318   
  88:3107     89:4278     90:686      91:8294     92:2400     93:2742   
  94:3922     95:5444     96:1287     97:315      98:1051     99:741    
 100:91      101:1201    102:3954    103:33119   104:4838    105:2090   
 106:1022    107:2789    108:1157    109:4251    110:2192    111:3290   
 112:2111    113:1842    114:1809    115:2174    116:1919    117:2682   
 118:2882    119:2085    120:1805    121:1374    122:2840    123:2267   
 124:1711    125:2911    126:32      128:1544    129:1026    130:1200   
 131:2013    132:926     133:412     134:1747    135:365     136:1067   
 137:1083    138:3148    139:1556    140:1389    141:1360    142:1603   
 143:1701    144:1018    145:369     146:2112    147:1964    148:2548   
 149:2823    150:1052    151:1351    152:2195    153:594     154:6981   
 155:1471    156:2326    157:1846    158:1163    159:2349    160:2773   
 161:1730    162:3591    163:1776    164:1716    165:2193    166:1183   
 167:1820    168:4245    169:836     170:5333    171:1064    172:3894   
 173:3081    174:897     175:1278    176:3852    177:6335    178:3860   
 179:2693    180:2457    181:3821    182:3415    183:2022    184:2285   
 185:21194   186:5604    187:5182    188:4369    189:4576    190:9811   
 191:2099    192:11085   193:9201    194:7704    195:5505    196:3808   
 197:2922    198:6109    199:7902    200:8602    201:6584    202:10870  
 203:10680   204:4659    205:3702    206:4559    207:3662    208:4220   
 209:5128    210:4812    211:2678    212:4440    213:3624    214:1069   
 215:49      216:6951    217:3190    218:1369    219:614     220:2052   
 221:1045    222:984     223:2245   

End of report


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