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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Dec 12 22:41:38 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 12 Dec, 2023

  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:                              985516
    Prefixes after maximum aggregation (per Origin AS):          363076
    Deaggregation factor:                                          2.71
    Unique aggregates announced (without unneeded subnets):      455955
Total ASes present in the Internet Routing Table:                 75381
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           64536
Origin ASes announcing only one prefix:                           26029
Transit ASes present in the Internet Routing Table:               10845
Transit-only ASes present in the Internet Routing Table:            486
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1206
    Number of instances of unregistered ASNs:                      1209
Number of 32-bit ASNs allocated by the RIRs:                      43232
Number of 32-bit ASNs visible in the Routing Table:               35623
Prefixes from 32-bit ASNs in the Routing Table:                  186192
Number of bogon 32-bit ASNs visible in the Routing Table:           180
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            595
Number of addresses announced to Internet:                   3050079262
    Equivalent to 181 /8s, 204 /16s and 132 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    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:      338991

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

Prefixes being announced by APNIC Region ASes:                   257237
    Total APNIC prefixes after maximum aggregation:               72900
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          250204
    Unique aggregates announced from the APNIC address blocks:    99579
APNIC Region origin ASes present in the Internet Routing Table:   13896
    APNIC Prefixes per ASN:                                       18.01
APNIC Region origin ASes announcing only one prefix:               4137
APNIC Region transit ASes present in the Internet Routing Table:   1884
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9201
Number of APNIC addresses announced to Internet:              771760032
    Equivalent to 46 /8s, 0 /16s and 31 /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:                    282043
    Total ARIN prefixes after maximum aggregation:               126226
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:           286446
    Unique aggregates announced from the ARIN address blocks:    132866
ARIN Region origin ASes present in the Internet Routing Table:    19114
    ARIN Prefixes per ASN:                                        14.99
ARIN Region origin ASes announcing only one prefix:                6942
ARIN Region transit ASes present in the Internet Routing Table:    1957
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4833
Number of ARIN addresses announced to Internet:              1276490816
    Equivalent to 76 /8s, 21 /16s and 180 /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:                    281659
    Total RIPE prefixes after maximum aggregation:               128140
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275189
    Unique aggregates announced from the RIPE address blocks:    160785
RIPE Region origin ASes present in the Internet Routing Table:    28589
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12086
RIPE Region transit ASes present in the Internet Routing Table:    4003
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          40
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11522
Number of RIPE addresses announced to Internet:               715077598
    Equivalent to 42 /8s, 159 /16s and 55 /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:                  129261
    Total LACNIC prefixes after maximum aggregation:              28937
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         128287
    Unique aggregates announced from the LACNIC address blocks:   49398
LACNIC Region origin ASes present in the Internet Routing Table:  11068
    LACNIC Prefixes per ASN:                                      11.59
LACNIC Region origin ASes announcing only one prefix:              2271
LACNIC Region transit ASes present in the Internet Routing Table:  2424
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8908
Number of LACNIC addresses announced to Internet:             178464352
    Equivalent to 10 /8s, 163 /16s and 38 /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:                  34110
    Total AfriNIC prefixes after maximum aggregation:              6118
    AfriNIC Deaggregation factor:                                  5.58
Prefixes being announced from the AfriNIC address blocks:         44794
    Unique aggregates announced from the AfriNIC address blocks:  12830
AfriNIC Region origin ASes present in the Internet Routing Table:  1819
    AfriNIC Prefixes per ASN:                                     24.63
AfriNIC Region origin ASes announcing only one prefix:              593
AfriNIC Region transit ASes present in the Internet Routing Table:  349
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1159
Number of AfriNIC addresses announced to Internet:            107904512
    Equivalent to 6 /8s, 110 /16s and 126 /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        9760       8730      44  CHINAMOBILE-CN China Mobile Communicati
  7545        5663        783     681  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5006       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4431        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3840       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3599       1045      67  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3390        494     253  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3354       1872      99  VNPT-AS-VN VNPT Corp, VN
  4766        2685      11259     590  KIXS-AS-KR Korea Telecom, KR
 24560        2642        853     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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        9408      11179    3391  AMAZON-02, US
 11492        4562        303     680  CABLEONE, US
  7155        4184        289      98  VIASAT-SP-BACKBONE, US
   174        3991       6658     656  COGENT-174, US
 22773        3632       3077     308  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3561       1320      69  SHAW, CA
 16625        3209       1427    2346  AKAMAI-AS, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        2967       3822    1404  DNIC-ASBLK-00306-00371, US
396982        2730       3633     380  GOOGLE-CLOUD-PLATFORM, 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        8781       1193    2774  TTNET, TR
 12479        7600       1714     146  UNI2-AS, ES
 39891        4434        262      59  ALJAWWALSTC-AS, SA
 20940        4077       3398     169  AKAMAI-ASN1, NL
  9009        3509        301    1632  M247, RO
  8551        3255        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3008       2302     917  ROSTELECOM-AS, RU
  5384        2504        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2503       1852      14  TE-AS TE-AS, EG
 34984        2370        363     583  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       12225       3380     604  UNINET, MX
 10620        3527        499     872  Telmex Colombia S.A., CO
 13999        2487        338     634  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1342       2319     231  Claro NXT Telecomunicacoes Ltda, BR
  3816        1308        788     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1246        341     504  Axtel, S.A.B. de C.V., MX
 28202        1090         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1087        177     431  Techtel LMDS Comunicaciones Interactiva
  6147        1080        369      22  Telefonica del Peru S.A.A., PE

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        1622        316      43  Telkom-Internet, ZA
 24863        1596        389      16  LINKdotNET-AS, EG
 24835        1548        545      28  RAYA-AS, EG
 36992        1359       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1046         67      58  ORANGE-COTE-IVOIRE, CI
 36935         936        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 36914         541         82       3  KENET-AS, KE
 15399         535         56      53  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       12225       3380     604  UNINET, MX
  9808        9760       8730      44  CHINAMOBILE-CN China Mobile Communicati
 16509        9408      11179    3391  AMAZON-02, US
 47331        8781       1193    2774  TTNET, TR
 12479        7600       1714     146  UNI2-AS, ES
  7545        5663        783     681  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5006       4192      75  ERX-CERNET-BKB China Education and Rese
 11492        4562        303     680  CABLEONE, US
 39891        4434        262      59  ALJAWWALSTC-AS, SA
 18403        4431        347      25  FPT-AS-AP FPT Telecom Company, VN

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        9760         9716  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7600         7454  UNI2-AS, ES
 16509        9408         6017  AMAZON-02, US
 47331        8781         6007  TTNET, TR
  7545        5663         4982  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5006         4931  ERX-CERNET-BKB China Education and Research Net
 18403        4431         4406  FPT-AS-AP FPT Telecom Company, VN
 39891        4434         4375  ALJAWWALSTC-AS, SA
  7155        4184         4086  VIASAT-SP-BACKBONE, US
 20940        4077         3908  AKAMAI-ASN1, NL

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
     65536  DOCUMENT     5.102.30.0/24            65512  -Private Use AS-, ZZ
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23             33650  COMCAST-33650, 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              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  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

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

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

Unassigned Network     ASN Information  AS Name
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
23.167.184.0/24      Origin:    150698  VCL-AS-AP VCORE LTD, VN
23.167.184.0/24     Transit:     33387  NOCIX, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, 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      /10:38      /11:99      /12:300     
/13:584     /14:1209    /15:2140    /16:13603   /17:8551    /18:14258   
/19:25677   /20:45618   /21:54320   /22:114514  /23:107294  /24:592366  
/25:1124    /26:1081    /27:1499    /28:161     /29:241     /30:81      
/31:82      /32:645     

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

   ASN  No of nets  Total ann.  Description
 47331        7893        8781  TTNET, TR
 12479        6686        7600  UNI2-AS, ES
  8151        6215       12225  UNINET, MX
 11492        3476        4562  CABLEONE, US
  6327        3367        3561  SHAW, CA
 39891        3252        4434  ALJAWWALSTC-AS, SA
  7155        3127        4184  VIASAT-SP-BACKBONE, US
  8551        2732        3255  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2674        3632  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2137        2483  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2277      2:1589      3:282       4:8         5:4606      6:159    
   7:6         8:1615      9:1        11:172      12:1492     13:366    
  14:2388     15:304      16:204      17:370      18:706      20:346    
  21:4        22:188      23:6626     24:3006     25:2        27:2653   
  29:19       31:2700     32:74       34:35       35:121      36:2073   
  37:4631     38:6845     39:888      40:147      41:4695     42:2147   
  43:2394     44:334      45:17530    46:4578     47:305      49:1913   
  50:1910     51:513      52:1626     54:392      55:880      56:5      
  57:137      58:2003     59:1193     60:1008     61:2753     62:2881   
  63:1941     64:5698     65:2394     66:5184     67:3127     68:1369   
  69:4111     70:1395     71:616      72:3016     74:2677     75:1611   
  76:645      77:2407     78:4092     79:3028     80:2187     81:2119   
  82:1598     83:1400     84:1643     85:3843     86:885      87:2257   
  88:2970     89:4083     90:654      91:8054     92:2264     93:2676   
  94:3804     95:5252     96:1333     97:317      98:1040     99:739    
 100:124     101:1162    102:3464    103:32887   104:4822    105:2019   
 106:990     107:2780    108:1152    109:4168    110:2169    111:3181   
 112:2108    113:1730    114:1758    115:2099    116:2009    117:2577   
 118:2776    119:2020    120:1814    121:1308    122:2782    123:2245   
 124:1675    125:2794    128:1596    129:1005    130:1107    131:2086   
 132:990     133:410     134:1732    135:335     136:923     137:1006   
 138:2882    139:1571    140:1347    141:1363    142:1584    143:1595   
 144:1009    145:336     146:2025    147:1624    148:2513    149:2459   
 150:1030    151:1307    152:1977    153:598     154:5657    155:1380   
 156:2192    157:1402    158:1100    159:2214    160:2699    161:1645   
 162:3629    163:1652    164:1706    165:1932    166:1088    167:1782   
 168:3999    169:824     170:4948    171:995     172:3777    173:3062   
 174:908     175:1255    176:3763    177:5567    178:3675    179:2479   
 180:2415    181:3716    182:3416    183:2047    184:2284    185:20857  
 186:5078    187:4754    188:4265    189:4293    190:9647    191:1969   
 192:11037   193:9031    194:7524    195:5486    196:3657    197:2936   
 198:6084    199:6752    200:8481    201:6381    202:10956   203:10506  
 204:4659    205:3704    206:4524    207:3549    208:4138    209:5009   
 210:4687    211:2590    212:4337    213:3515    214:1117    215:63     
 216:6892    217:3014    218:1349    219:611     220:2030    221:1018   
 222:881     223:2225   

End of report


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