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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Apr 1 21:40:08 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Tue 01 Apr, 2025

  IPv4 BGP Table (Global) as seen at USP.

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

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

BGP routing table entries examined:                              976953
    Prefixes after maximum aggregation (per Origin AS):          374734
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476288
    Number of IPv4 prefixes with a valid ROA:                    538134
    Number of IPv4 prefixes with an invalid ROA:                    177
    Number of IPv4 prefixes with no ROA:                         438642
Total ASes present in the Internet Routing Table:                 76726
    Prefixes per ASN:                                             12.73
Origin-only ASes present in the Internet Routing Table:           65778
Origin ASes announcing only one prefix:                           26877
Transit ASes present in the Internet Routing Table:               10948
Transit-only ASes present in the Internet Routing Table:            550
Paths with bogon ASNs present in the IPv4 Routing Table:            308
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1154
    Number of instances of unregistered ASNs:                      1159
Number of 32-bit ASNs allocated by the RIRs:                      46115
Number of 32-bit ASNs visible in the Routing Table:               38009
Prefixes from 32-bit ASNs in the Routing Table:                  200194
Number of bogon 32-bit ASNs visible in the Routing Table:            34
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            471
Number of addresses announced to Internet:                   3106552576
    Equivalent to 185 /8s, 42 /16s and 59 /24s
    Percentage of available address space announced:               83.9
    Percentage of allocated address space announced:               83.9
    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:      320763

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

Prefixes being announced by APNIC Region ASes:                   255374
    Total APNIC prefixes after maximum aggregation:               76267
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247199
    Unique aggregates announced from the APNIC address blocks:   102718
APNIC Region origin ASes present in the Internet Routing Table:   14540
    APNIC Prefixes per ASN:                                       17.00
APNIC Region origin ASes announcing only one prefix:               4450
APNIC Region transit ASes present in the Internet Routing Table:   1953
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         56
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10052
Number of APNIC addresses announced to Internet:              747767808
    Equivalent to 44 /8s, 146 /16s and 8 /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, 131072-155961
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:                    288614
    Total ARIN prefixes after maximum aggregation:               128737
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           289905
    Unique aggregates announced from the ARIN address blocks:    137178
ARIN Region origin ASes present in the Internet Routing Table:    19235
    ARIN Prefixes per ASN:                                        15.07
ARIN Region origin ASes announcing only one prefix:                7043
ARIN Region transit ASes present in the Internet Routing Table:    1979
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5172
Number of ARIN addresses announced to Internet:              1349852672
    Equivalent to 80 /8s, 117 /16s and 30 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    273272
    Total RIPE prefixes after maximum aggregation:               133076
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271258
    Unique aggregates announced from the RIPE address blocks:    173530
RIPE Region origin ASes present in the Internet Routing Table:    28855
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12021
RIPE Region transit ASes present in the Internet Routing Table:    3977
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12345
Number of RIPE addresses announced to Internet:               732031488
    Equivalent to 43 /8s, 161 /16s and 234 /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,
                        53/8,  57/8,  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:                  123653
    Total LACNIC prefixes after maximum aggregation:              29215
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120321
    Unique aggregates announced from the LACNIC address blocks:   48829
LACNIC Region origin ASes present in the Internet Routing Table:  11214
    LACNIC Prefixes per ASN:                                      10.73
LACNIC Region origin ASes announcing only one prefix:              2664
LACNIC Region transit ASes present in the Internet Routing Table:  2461
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        32
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9168
Number of LACNIC addresses announced to Internet:             171672064
    Equivalent to 10 /8s, 59 /16s and 130 /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:                  34886
    Total AfriNIC prefixes after maximum aggregation:              6716
    AfriNIC Deaggregation factor:                                  5.19
Prefixes being announced from the AfriNIC address blocks:         47798
    Unique aggregates announced from the AfriNIC address blocks:  13627
AfriNIC Region origin ASes present in the Internet Routing Table:  1907
    AfriNIC Prefixes per ASN:                                     25.06
AfriNIC Region origin ASes announcing only one prefix:              699
AfriNIC Region transit ASes present in the Internet Routing Table:  380
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1272
Number of AfriNIC addresses announced to Internet:            104992512
    Equivalent to 6 /8s, 66 /16s and 15 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10308       8753      89  CHINAMOBILE-CN China Mobile Communication
  7545        6219        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
  9498        4217        530     274  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4217        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3916       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3259       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2846        848     538  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2170       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4766        2156      11520     621  KIXS-AS-KR Korea Telecom, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13014      39646    4003  AMAZON-02, US
 11492        4677        310     583  CABLEONE, US
  7155        4173        286      83  VIASAT-SP-BACKBONE, US
  6327        3621       1320      81  SHAW, CA
   174        3613       8766     963  COGENT-174, US
 22773        3609       3054     222  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3115       1311    2249  AKAMAI-AS, US
396982        2947       3649     464  GOOGLE-CLOUD-PLATFORM, US
 36352        2620        216     800  AS-COLOCROSSING, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7719       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4019       3395     129  AKAMAI-ASN1, NL
  9009        3762        325    1958  M247, RO
 12389        3037       2303     888  ROSTELECOM-AS, RU
 34984        2365        360     583  TELLCOM-AS, TR
212238        2070        147    1527  CDNEXT, GB
  8452        1615       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1491         98     749  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11902       3243     582  UNINET, MX
 10620        3521        486     970  Telmex Colombia S.A., CO
 13999        2507        538     367  Mega Cable, S.A. de C.V., MX
 11830        1991        369      64  Instituto Costarricense de Electricidad y
 28573        1352       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1332        783     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1193        371      21  Telefonica del Peru S.A.A., PE
 11664        1171        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1050         70     379  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1049        374     163  Axtel, S.A.B. de C.V., MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1703        599      30  RAYA-AS, EG
 24863        1620        389      18  LINKdotNET-AS, EG
 29571        1566        102      23  ORANGE-COTE-IVOIRE, CI
 36992        1428       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 20011         981        185     285  INTERNET-SOLUTIONS, ZA
 37069         915       1083      15  MOBINIL, EG
  6713         561       1861      35  IAM-AS, MA
  3741         519        661     319  IS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13014      39646    4003  AMAZON-02, US
  8151       11902       3243     582  UNINET, MX
  9808       10308       8753      89  CHINAMOBILE-CN China Mobile Communication
 12479        7719       1714     145  UNI2-AS, ES
  7545        6219        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4677        310     583  CABLEONE, US
  9498        4217        530     274  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4217        347      25  FPT-AS-AP FPT Telecom Company, VN
  7155        4173        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11902        11320  UNINET, MX
  9808       10308        10219  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7719         7574  UNI2-AS, ES
  7545        6219         5561  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4217         4192  FPT-AS-AP FPT Telecom Company, VN
 11492        4677         4094  CABLEONE, US
  7155        4173         4090  VIASAT-SP-BACKBONE, US
  9498        4217         3943  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4019         3890  AKAMAI-ASN1, NL

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    212032  UNALLOCATED  5.59.105.0/24            35168  TNS-PLUS-CORE, KZ
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/USP/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
23.136.188.0/24      Origin:    214483  FIBERPOWER-AS, US
23.136.188.0/24     Transit:     26042  FIBERSTATE, 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
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/USP/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       /9:16      /10:41      /11:93      /12:302     
/13:582     /14:1227    /15:2166    /16:13928   /17:8274    /18:13754   
/19:24633   /20:43717   /21:51743   /22:112043  /23:101236  /24:603181  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6647        7719  UNI2-AS, ES
  8151        6104       11902  UNINET, MX
 11492        3530        4677  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        3120        4173  VIASAT-SP-BACKBONE, US
 22773        2726        3609  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2337       13014  AMAZON-02, US
 30036        2206        2547  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2183        3521  Telmex Colombia S.A., CO

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

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

   1:2328      2:1533      3:605       4:10        5:4595      6:163    
   7:6         8:1549      9:1        11:172      12:1372     13:355    
  14:2514     15:351      16:279      17:362      18:918      20:463    
  21:4        22:188      23:7373     24:2824     25:2        27:2747   
  29:19       31:3213     32:37       34:80       35:204      36:2398   
  37:4674     38:8899     39:899      40:154      41:4056     42:1907   
  43:2564     44:361      45:18449    46:4936     47:288      49:1958   
  50:1898     51:590      52:1553     54:302      55:878      56:11     
  57:252      58:2195     59:1209     60:1171     61:2776     62:2917   
  63:1832     64:5497     65:2126     66:4633     67:3039     68:1154   
  69:3974     70:1153     71:621      72:2860     74:2803     75:1662   
  76:612      77:2709     78:1892     79:1726     80:2197     81:2017   
  82:3051     83:1418     84:1835     85:3374     86:1043     87:2156   
  88:1313     89:4335     90:777      91:8320     92:2797     93:2877   
  94:4035     95:4313     96:1434     97:312      98:1016     99:739    
 100:71      101:1138    102:3720    103:32184   104:4816    105:750    
 106:988     107:2615    108:1206    109:4084    110:2226    111:3325   
 112:2038    113:1789    114:1960    115:2153    116:2036    117:2738   
 118:2847    119:1953    120:1872    121:1368    122:2748    123:2175   
 124:1565    125:2849    126:88      128:1588    129:956     130:1279   
 131:1903    132:781     133:451     134:1529    135:329     136:1280   
 137:1244    138:2903    139:1627    140:1570    141:1485    142:1833   
 143:1660    144:1052    145:517     146:2161    147:2101    148:2645   
 149:2891    150:1245    151:1737    152:2103    153:572     154:7844   
 155:1623    156:3002    157:1903    158:1270    159:2431    160:3554   
 161:1940    162:3719    163:1980    164:1692    165:2199    166:1433   
 167:1886    168:4052    169:794     170:5096    171:1005    172:4481   
 173:3216    174:917     175:1289    176:3686    177:4715    178:3815   
 179:2301    180:2579    181:4056    182:3370    183:2027    184:2311   
 185:21518   186:5123    187:4397    188:4199    189:4203    190:9637   
 191:1521    192:11192   193:9430    194:7790    195:5550    196:3292   
 197:3604    198:6103    199:8399    200:8180    201:6305    202:10378  
 203:10606   204:4528    205:3635    206:4625    207:3478    208:4191   
 209:5137    210:4561    211:2532    212:4497    213:3771    214:1048   
 215:48      216:6589    217:3084    218:1329    219:375     220:2081   
 221:1072    222:712     223:2317   

End of report


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